diff --git a/dist/detectElementResize.d.ts b/dist/detectElementResize.d.ts
index eb359587..a685c123 100644
--- a/dist/detectElementResize.d.ts
+++ b/dist/detectElementResize.d.ts
@@ -1,2 +1,2 @@
-export declare const addResizeListener: (element: any, fn: any) => void;
-export declare const removeResizeListener: (element: any, fn: any) => void;
+export declare function addResizeListener(element: any, fn: any): void;
+export declare function removeResizeListener(element: any, fn: any): void;
diff --git a/dist/detectElementResize.js b/dist/detectElementResize.js
index cb015231..2b860e3b 100644
--- a/dist/detectElementResize.js
+++ b/dist/detectElementResize.js
@@ -98,7 +98,7 @@ function createStyles() {
             'div { background: #eee; overflow: auto; } .contract-trigger:before { width: 200%; height: 200%; }', head = document.head || document.getElementsByTagName('head')[0], style = document.createElement('style');
         style.type = 'text/css';
         if (style.styleSheet) {
-            style.styleSheet.cssText = css; // tslint:disable-line
+            style.styleSheet.cssText = css;
         }
         else {
             style.appendChild(document.createTextNode(css));
@@ -107,7 +107,7 @@ function createStyles() {
         stylesCreated = true;
     }
 }
-exports.addResizeListener = function (element, fn) {
+function addResizeListener(element, fn) {
     if (attachEvent) {
         element.attachEvent('onresize', fn);
     }
@@ -134,8 +134,9 @@ exports.addResizeListener = function (element, fn) {
         }
         element.__resizeListeners__.push(fn);
     }
-};
-exports.removeResizeListener = function (element, fn) {
+}
+exports.addResizeListener = addResizeListener;
+function removeResizeListener(element, fn) {
     if (attachEvent) {
         element.detachEvent('onresize', fn);
     }
@@ -146,5 +147,6 @@ exports.removeResizeListener = function (element, fn) {
             element.__resizeTriggers__ = !element.removeChild(element.__resizeTriggers__);
         }
     }
-};
+}
+exports.removeResizeListener = removeResizeListener;
 //# sourceMappingURL=detectElementResize.js.map
\ No newline at end of file
diff --git a/dist/detectElementResize.js.map b/dist/detectElementResize.js.map
index 40ca3213..71dc5660 100644
--- a/dist/detectElementResize.js.map
+++ b/dist/detectElementResize.js.map
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/dist/detectElementResize.metadata.json b/dist/detectElementResize.metadata.json
index ebf75b8c..07761317 100644
--- a/dist/detectElementResize.metadata.json
+++ b/dist/detectElementResize.metadata.json
@@ -1 +1 @@
-[{"__symbolic":"module","version":3,"metadata":{"addResizeListener":{"__symbolic":"error","message":"Function call not supported","line":125,"character":33},"removeResizeListener":{"__symbolic":"error","message":"Function call not supported","line":154,"character":36}}},{"__symbolic":"module","version":1,"metadata":{"addResizeListener":{"__symbolic":"error","message":"Function call not supported","line":125,"character":33},"removeResizeListener":{"__symbolic":"error","message":"Function call not supported","line":154,"character":36}}}]
\ No newline at end of file
+[{"__symbolic":"module","version":3,"metadata":{"addResizeListener":{"__symbolic":"function"},"removeResizeListener":{"__symbolic":"function"}}},{"__symbolic":"module","version":1,"metadata":{"addResizeListener":{"__symbolic":"function"},"removeResizeListener":{"__symbolic":"function"}}}]
\ No newline at end of file
diff --git a/dist/gridster.component.d.ts b/dist/gridster.component.d.ts
index ff7f23b7..2e1120a7 100644
--- a/dist/gridster.component.d.ts
+++ b/dist/gridster.component.d.ts
@@ -1,4 +1,3 @@
-/// <reference path="../src/typings.d.ts" />
 import { OnInit, ElementRef, OnDestroy } from '@angular/core';
 import { GridsterConfig } from './gridsterConfig.interface';
 import { GridsterItem } from './gridsterItem.interface';
diff --git a/dist/gridster.component.js b/dist/gridster.component.js
index 53f8c035..745e8201 100644
--- a/dist/gridster.component.js
+++ b/dist/gridster.component.js
@@ -9,7 +9,6 @@ var __metadata = (this && this.__metadata) || function (k, v) {
     if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
 };
 Object.defineProperty(exports, "__esModule", { value: true });
-///<reference path="../src/typings.d.ts"/>
 var core_1 = require("@angular/core");
 var _ = require("lodash");
 var gridsterConfig_constant_1 = require("./gridsterConfig.constant");
diff --git a/dist/gridster.component.js.map b/dist/gridster.component.js.map
index 8a8131f3..da3631a9 100644
--- a/dist/gridster.component.js.map
+++ b/dist/gridster.component.js.map
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/dist/gridsterConfig.constant.js b/dist/gridsterConfig.constant.js
index 31f1e78e..d851dbf3 100644
--- a/dist/gridsterConfig.constant.js
+++ b/dist/gridsterConfig.constant.js
@@ -38,6 +38,6 @@ exports.GridsterConfigService = {
         },
         stop: undefined // callback when resizing an item stops. Arguments: gridsterItem, scope
     },
-    swap: true
+    swap: true // allow items to switch position if drop on top of another
 };
 //# sourceMappingURL=gridsterConfig.constant.js.map
\ No newline at end of file
diff --git a/dist/gridsterConfig.constant.js.map b/dist/gridsterConfig.constant.js.map
index e69371c1..29462624 100644
--- a/dist/gridsterConfig.constant.js.map
+++ b/dist/gridsterConfig.constant.js.map
@@ -1 +1 @@
-{"version":3,"file":"gridsterConfig.constant.js","sourceRoot":"","sources":["../lib/gridsterConfig.constant.ts"],"names":[],"mappings":";;AAEa,QAAA,qBAAqB,GAAmB;IACnD,QAAQ,EAAE,KAAK;IACf,2FAA2F;IAC3F,8FAA8F;IAC9F,SAAS,EAAE,KAAK;IAChB,WAAW,EAAE,KAAK;IAClB,gBAAgB,EAAE,GAAG;IACrB,OAAO,EAAE,CAAC;IACV,OAAO,EAAE,GAAG;IACZ,OAAO,EAAE,CAAC;IACV,OAAO,EAAE,GAAG;IACZ,eAAe,EAAE,CAAC;IAClB,eAAe,EAAE,CAAC;IAClB,WAAW,EAAE,CAAC;IACd,WAAW,EAAE,CAAC;IACd,MAAM,EAAE,EAAE;IACV,WAAW,EAAE,IAAI;IACjB,iBAAiB,EAAE,EAAE;IACrB,WAAW,EAAE,EAAE;IACf,kBAAkB,EAAE,SAAS;IAC7B,SAAS,EAAE;QACT,OAAO,EAAE,KAAK;QACd,IAAI,EAAE,SAAS,CAAC,uEAAuE;KACxF;IACD,SAAS,EAAE;QACT,OAAO,EAAE,KAAK;QACd,OAAO,EAAE;YACP,CAAC,EAAE,IAAI;YACP,CAAC,EAAE,IAAI;YACP,CAAC,EAAE,IAAI;YACP,CAAC,EAAE,IAAI;YACP,EAAE,EAAE,IAAI;YACR,EAAE,EAAE,IAAI;YACR,EAAE,EAAE,IAAI;YACR,EAAE,EAAE,IAAI;SACT;QACD,IAAI,EAAE,SAAS,CAAC,uEAAuE;KACxF;IACD,IAAI,EAAE,IAAI;CACX,CAAC"}
\ No newline at end of file
+{"version":3,"file":"gridsterConfig.constant.js","sourceRoot":"","sources":["../lib/gridsterConfig.constant.ts"],"names":[],"mappings":";;AAEa,QAAA,qBAAqB,GAAmB;IACnD,QAAQ,EAAE,KAAK;IACf,2FAA2F;IAC3F,8FAA8F;IAC9F,SAAS,EAAE,KAAK;IAChB,WAAW,EAAE,KAAK;IAClB,gBAAgB,EAAE,GAAG;IACrB,OAAO,EAAE,CAAC;IACV,OAAO,EAAE,GAAG;IACZ,OAAO,EAAE,CAAC;IACV,OAAO,EAAE,GAAG;IACZ,eAAe,EAAE,CAAC;IAClB,eAAe,EAAE,CAAC;IAClB,WAAW,EAAE,CAAC;IACd,WAAW,EAAE,CAAC;IACd,MAAM,EAAE,EAAE;IACV,WAAW,EAAE,IAAI;IACjB,iBAAiB,EAAE,EAAE;IACrB,WAAW,EAAE,EAAE;IACf,kBAAkB,EAAE,SAAS;IAC7B,SAAS,EAAE;QACT,OAAO,EAAE,KAAK;QACd,IAAI,EAAE,SAAS,CAAC,uEAAuE;KACxF;IACD,SAAS,EAAE;QACT,OAAO,EAAE,KAAK;QACd,OAAO,EAAE;YACP,CAAC,EAAE,IAAI;YACP,CAAC,EAAE,IAAI;YACP,CAAC,EAAE,IAAI;YACP,CAAC,EAAE,IAAI;YACP,EAAE,EAAE,IAAI;YACR,EAAE,EAAE,IAAI;YACR,EAAE,EAAE,IAAI;YACR,EAAE,EAAE,IAAI;SACT;QACD,IAAI,EAAE,SAAS,CAAC,uEAAuE;KACxF;IACD,IAAI,EAAE,IAAI,CAAC,2DAA2D;CACvE,CAAC"}
\ No newline at end of file
diff --git a/dist/gridsterDraggable.service.d.ts b/dist/gridsterDraggable.service.d.ts
index 89f1c2c6..488f587b 100644
--- a/dist/gridsterDraggable.service.d.ts
+++ b/dist/gridsterDraggable.service.d.ts
@@ -1,8 +1,6 @@
 import { GridsterItemComponent } from './gridsterItem.component';
-import { GridsterScroll } from './gridsterScroll.service';
 import { GridsterItem } from './gridsterItem.interface';
 export declare class GridsterDraggable {
-    gridsterScroll: GridsterScroll;
     element: HTMLElement;
     gridsterItem: GridsterItemComponent;
     itemCopy: GridsterItem;
diff --git a/dist/gridsterDraggable.service.js b/dist/gridsterDraggable.service.js
index 85af22b1..446884ac 100644
--- a/dist/gridsterDraggable.service.js
+++ b/dist/gridsterDraggable.service.js
@@ -16,7 +16,6 @@ var gridsterSwap_service_1 = require("./gridsterSwap.service");
 var gridsterScroll_service_1 = require("./gridsterScroll.service");
 var GridsterDraggable = GridsterDraggable_1 = (function () {
     function GridsterDraggable(element, gridsterItem) {
-        this.gridsterScroll = new gridsterScroll_service_1.GridsterScroll();
         this.element = element;
         this.gridsterItem = gridsterItem;
         this.lastMouse = {
@@ -72,7 +71,7 @@ var GridsterDraggable = GridsterDraggable_1 = (function () {
         }
         this.elemPosition[0] += e.pageX - this.lastMouse.pageX;
         this.elemPosition[1] += e.pageY - this.lastMouse.pageY;
-        this.gridsterScroll.scroll(this.elemPosition, this.gridsterItem, e, this.lastMouse, this.calculateItemPosition.bind(this));
+        gridsterScroll_service_1.scroll(this.elemPosition, this.gridsterItem, e, this.lastMouse, this.calculateItemPosition.bind(this));
         this.lastMouse.pageX = e.pageX;
         this.lastMouse.pageY = e.pageY;
         this.calculateItemPosition();
@@ -83,7 +82,7 @@ var GridsterDraggable = GridsterDraggable_1 = (function () {
         if (this.gridsterItem.gridster.state.options.swap) {
             gridsterSwap_service_1.GridsterSwap.GridsterSwap(this.gridsterItem, this.elemPosition);
         }
-        this.gridsterScroll.cancelScroll();
+        gridsterScroll_service_1.cancelScroll();
         document.removeEventListener('mousemove', this.dragFunction);
         document.removeEventListener('mouseup', this.dragStopFunction);
         document.removeEventListener('touchmove', this.dragFunction);
diff --git a/dist/gridsterDraggable.service.js.map b/dist/gridsterDraggable.service.js.map
index 1ce53eb5..8dc8439b 100644
--- a/dist/gridsterDraggable.service.js.map
+++ b/dist/gridsterDraggable.service.js.map
@@ -1 +1 @@
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\ No newline at end of file
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\ No newline at end of file
diff --git a/dist/gridsterDraggable.service.metadata.json b/dist/gridsterDraggable.service.metadata.json
index 2e096aa0..ce163316 100644
--- a/dist/gridsterDraggable.service.metadata.json
+++ b/dist/gridsterDraggable.service.metadata.json
@@ -1 +1 @@
-[{"__symbolic":"module","version":3,"metadata":{"GridsterDraggable":{"__symbolic":"class","decorators":[{"__symbolic":"call","expression":{"__symbolic":"reference","module":"@angular/core","name":"Injectable"}}],"members":{"__ctor__":[{"__symbolic":"constructor","parameters":[{"__symbolic":"error","message":"Could not resolve type","line":30,"character":23,"context":{"typeName":"HTMLElement"}},{"__symbolic":"reference","module":"./gridsterItem.component","name":"GridsterItemComponent"}]}],"dragStart":[{"__symbolic":"method"}],"dragMove":[{"__symbolic":"method"}],"dragStop":[{"__symbolic":"method"}],"calculateItemPosition":[{"__symbolic":"method"}],"toggle":[{"__symbolic":"method"}]}}}},{"__symbolic":"module","version":1,"metadata":{"GridsterDraggable":{"__symbolic":"class","decorators":[{"__symbolic":"call","expression":{"__symbolic":"reference","module":"@angular/core","name":"Injectable"}}],"members":{"__ctor__":[{"__symbolic":"constructor","parameters":[{"__symbolic":"error","message":"Could not resolve type","line":30,"character":23,"context":{"typeName":"HTMLElement"}},{"__symbolic":"reference","module":"./gridsterItem.component","name":"GridsterItemComponent"}]}],"dragStart":[{"__symbolic":"method"}],"dragMove":[{"__symbolic":"method"}],"dragStop":[{"__symbolic":"method"}],"calculateItemPosition":[{"__symbolic":"method"}],"toggle":[{"__symbolic":"method"}]}}}}]
\ No newline at end of file
+[{"__symbolic":"module","version":3,"metadata":{"GridsterDraggable":{"__symbolic":"class","decorators":[{"__symbolic":"call","expression":{"__symbolic":"reference","module":"@angular/core","name":"Injectable"}}],"members":{"__ctor__":[{"__symbolic":"constructor","parameters":[{"__symbolic":"error","message":"Could not resolve type","line":29,"character":23,"context":{"typeName":"HTMLElement"}},{"__symbolic":"reference","module":"./gridsterItem.component","name":"GridsterItemComponent"}]}],"dragStart":[{"__symbolic":"method"}],"dragMove":[{"__symbolic":"method"}],"dragStop":[{"__symbolic":"method"}],"calculateItemPosition":[{"__symbolic":"method"}],"toggle":[{"__symbolic":"method"}]}}}},{"__symbolic":"module","version":1,"metadata":{"GridsterDraggable":{"__symbolic":"class","decorators":[{"__symbolic":"call","expression":{"__symbolic":"reference","module":"@angular/core","name":"Injectable"}}],"members":{"__ctor__":[{"__symbolic":"constructor","parameters":[{"__symbolic":"error","message":"Could not resolve type","line":29,"character":23,"context":{"typeName":"HTMLElement"}},{"__symbolic":"reference","module":"./gridsterItem.component","name":"GridsterItemComponent"}]}],"dragStart":[{"__symbolic":"method"}],"dragMove":[{"__symbolic":"method"}],"dragStop":[{"__symbolic":"method"}],"calculateItemPosition":[{"__symbolic":"method"}],"toggle":[{"__symbolic":"method"}]}}}}]
\ No newline at end of file
diff --git a/dist/gridsterResizable.service.d.ts b/dist/gridsterResizable.service.d.ts
index 20386205..6d6610f5 100644
--- a/dist/gridsterResizable.service.d.ts
+++ b/dist/gridsterResizable.service.d.ts
@@ -1,10 +1,8 @@
 import { GridsterItemComponent } from './gridsterItem.component';
-import { GridsterScroll } from './gridsterScroll.service';
 import { GridsterItem } from './gridsterItem.interface';
 import { GridsterResizeEventType } from './gridsterResizeEventType.interface';
 export declare class GridsterResizable {
     element: HTMLElement;
-    gridsterScroll: GridsterScroll;
     gridsterItem: GridsterItemComponent;
     itemCopy: GridsterItem;
     lastMouse: {
diff --git a/dist/gridsterResizable.service.js b/dist/gridsterResizable.service.js
index 75a5ec0a..14f0219f 100644
--- a/dist/gridsterResizable.service.js
+++ b/dist/gridsterResizable.service.js
@@ -15,7 +15,6 @@ var gridsterScroll_service_1 = require("./gridsterScroll.service");
 var _ = require("lodash");
 var GridsterResizable = GridsterResizable_1 = (function () {
     function GridsterResizable(element, gridsterItem) {
-        this.gridsterScroll = new gridsterScroll_service_1.GridsterScroll();
         this.element = element;
         this.gridsterItem = gridsterItem;
         this.lastMouse = {
@@ -106,7 +105,7 @@ var GridsterResizable = GridsterResizable_1 = (function () {
         if (e.pageX === undefined && e.touches) {
             GridsterResizable_1.touchEvent(e);
         }
-        this.gridsterScroll.scroll(this.elemPosition, this.gridsterItem, e, this.lastMouse, this.directionFunction, true, this.resizeEventScrollType);
+        gridsterScroll_service_1.scroll(this.elemPosition, this.gridsterItem, e, this.lastMouse, this.directionFunction, true, this.resizeEventScrollType);
         this.directionFunction(e);
         this.lastMouse.pageX = e.pageX;
         this.lastMouse.pageY = e.pageY;
@@ -114,7 +113,7 @@ var GridsterResizable = GridsterResizable_1 = (function () {
     GridsterResizable.prototype.dragStop = function (e) {
         e.preventDefault();
         e.stopPropagation();
-        this.gridsterScroll.cancelScroll();
+        gridsterScroll_service_1.cancelScroll();
         document.removeEventListener('mousemove', this.dragFunction);
         document.removeEventListener('mouseup', this.dragStopFunction);
         document.removeEventListener('touchmove', this.dragFunction);
diff --git a/dist/gridsterResizable.service.js.map b/dist/gridsterResizable.service.js.map
index f6d0e1d4..db21674c 100644
--- a/dist/gridsterResizable.service.js.map
+++ b/dist/gridsterResizable.service.js.map
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/dist/gridsterResizable.service.metadata.json b/dist/gridsterResizable.service.metadata.json
index 29a450d9..9ca72b86 100644
--- a/dist/gridsterResizable.service.metadata.json
+++ b/dist/gridsterResizable.service.metadata.json
@@ -1 +1 @@
-[{"__symbolic":"module","version":3,"metadata":{"GridsterResizable":{"__symbolic":"class","decorators":[{"__symbolic":"call","expression":{"__symbolic":"reference","module":"@angular/core","name":"Injectable"}}],"members":{"__ctor__":[{"__symbolic":"constructor","parameters":[{"__symbolic":"error","message":"Could not resolve type","line":31,"character":23,"context":{"typeName":"HTMLElement"}},{"__symbolic":"reference","module":"./gridsterItem.component","name":"GridsterItemComponent"}]}],"dragStart":[{"__symbolic":"method"}],"dragMove":[{"__symbolic":"method"}],"dragStop":[{"__symbolic":"method"}],"handleN":[{"__symbolic":"method"}],"handleW":[{"__symbolic":"method"}],"handleS":[{"__symbolic":"method"}],"handleE":[{"__symbolic":"method"}],"handleNW":[{"__symbolic":"method"}],"handleNE":[{"__symbolic":"method"}],"handleSW":[{"__symbolic":"method"}],"handleSE":[{"__symbolic":"method"}]}}}},{"__symbolic":"module","version":1,"metadata":{"GridsterResizable":{"__symbolic":"class","decorators":[{"__symbolic":"call","expression":{"__symbolic":"reference","module":"@angular/core","name":"Injectable"}}],"members":{"__ctor__":[{"__symbolic":"constructor","parameters":[{"__symbolic":"error","message":"Could not resolve type","line":31,"character":23,"context":{"typeName":"HTMLElement"}},{"__symbolic":"reference","module":"./gridsterItem.component","name":"GridsterItemComponent"}]}],"dragStart":[{"__symbolic":"method"}],"dragMove":[{"__symbolic":"method"}],"dragStop":[{"__symbolic":"method"}],"handleN":[{"__symbolic":"method"}],"handleW":[{"__symbolic":"method"}],"handleS":[{"__symbolic":"method"}],"handleE":[{"__symbolic":"method"}],"handleNW":[{"__symbolic":"method"}],"handleNE":[{"__symbolic":"method"}],"handleSW":[{"__symbolic":"method"}],"handleSE":[{"__symbolic":"method"}]}}}}]
\ No newline at end of file
+[{"__symbolic":"module","version":3,"metadata":{"GridsterResizable":{"__symbolic":"class","decorators":[{"__symbolic":"call","expression":{"__symbolic":"reference","module":"@angular/core","name":"Injectable"}}],"members":{"__ctor__":[{"__symbolic":"constructor","parameters":[{"__symbolic":"error","message":"Could not resolve type","line":30,"character":23,"context":{"typeName":"HTMLElement"}},{"__symbolic":"reference","module":"./gridsterItem.component","name":"GridsterItemComponent"}]}],"dragStart":[{"__symbolic":"method"}],"dragMove":[{"__symbolic":"method"}],"dragStop":[{"__symbolic":"method"}],"handleN":[{"__symbolic":"method"}],"handleW":[{"__symbolic":"method"}],"handleS":[{"__symbolic":"method"}],"handleE":[{"__symbolic":"method"}],"handleNW":[{"__symbolic":"method"}],"handleNE":[{"__symbolic":"method"}],"handleSW":[{"__symbolic":"method"}],"handleSE":[{"__symbolic":"method"}]}}}},{"__symbolic":"module","version":1,"metadata":{"GridsterResizable":{"__symbolic":"class","decorators":[{"__symbolic":"call","expression":{"__symbolic":"reference","module":"@angular/core","name":"Injectable"}}],"members":{"__ctor__":[{"__symbolic":"constructor","parameters":[{"__symbolic":"error","message":"Could not resolve type","line":30,"character":23,"context":{"typeName":"HTMLElement"}},{"__symbolic":"reference","module":"./gridsterItem.component","name":"GridsterItemComponent"}]}],"dragStart":[{"__symbolic":"method"}],"dragMove":[{"__symbolic":"method"}],"dragStop":[{"__symbolic":"method"}],"handleN":[{"__symbolic":"method"}],"handleW":[{"__symbolic":"method"}],"handleS":[{"__symbolic":"method"}],"handleE":[{"__symbolic":"method"}],"handleNW":[{"__symbolic":"method"}],"handleNE":[{"__symbolic":"method"}],"handleSW":[{"__symbolic":"method"}],"handleSE":[{"__symbolic":"method"}]}}}}]
\ No newline at end of file
diff --git a/dist/gridsterScroll.service.d.ts b/dist/gridsterScroll.service.d.ts
index b112e79f..d8bf184e 100644
--- a/dist/gridsterScroll.service.d.ts
+++ b/dist/gridsterScroll.service.d.ts
@@ -1,25 +1,4 @@
 import { GridsterItemComponent } from './gridsterItem.component';
 import { GridsterResizeEventType } from './gridsterResizeEventType.interface';
-export declare class GridsterScroll {
-    scrollSensitivity: number;
-    scrollSpeed: number;
-    intervalDuration: number;
-    gridsterElement: HTMLElement;
-    resizeEvent: boolean;
-    resizeEventType: GridsterResizeEventType;
-    intervalE: number;
-    intervalW: number;
-    intervalN: number;
-    intervalS: number;
-    constructor();
-    scroll(elemPosition: Array<number>, gridsterItem: GridsterItemComponent, e: MouseEvent, lastMouse: any, calculateItemPosition: Function, resize?: boolean, resizeEventScrollType?: GridsterResizeEventType): void;
-    startVertical(sign: number, elemPosition: Array<number>, calculateItemPosition: Function, lastMouse: any): number;
-    startHorizontal(sign: number, elemPosition: Array<number>, calculateItemPosition: Function, lastMouse: any): number;
-    cancelScroll(): void;
-    cancelHorizontal(): void;
-    cancelVertical(): void;
-    cancelE(): void;
-    cancelW(): void;
-    cancelS(): void;
-    cancelN(): void;
-}
+export declare function scroll(elemPosition: Array<number>, gridsterItem: GridsterItemComponent, e: MouseEvent, lastMouse: any, calculateItemPosition: Function, resize?: boolean, resizeEventScrollType?: GridsterResizeEventType): void;
+export declare function cancelScroll(): void;
diff --git a/dist/gridsterScroll.service.js b/dist/gridsterScroll.service.js
index a9cec37e..7da5916c 100644
--- a/dist/gridsterScroll.service.js
+++ b/dist/gridsterScroll.service.js
@@ -1,151 +1,142 @@
 "use strict";
-var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
-    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
-    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
-    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
-    return c > 3 && r && Object.defineProperty(target, key, r), r;
-};
-var __metadata = (this && this.__metadata) || function (k, v) {
-    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
-};
 Object.defineProperty(exports, "__esModule", { value: true });
-var core_1 = require("@angular/core");
-var GridsterScroll = (function () {
-    function GridsterScroll() {
-        this.intervalDuration = 50;
-    }
-    GridsterScroll.prototype.scroll = function (elemPosition, gridsterItem, e, lastMouse, calculateItemPosition, resize, resizeEventScrollType) {
-        this.scrollSensitivity = gridsterItem.gridster.state.options.scrollSensitivity;
-        this.scrollSpeed = gridsterItem.gridster.state.options.scrollSpeed;
-        this.gridsterElement = gridsterItem.gridster.state.element;
-        this.resizeEvent = resize;
-        this.resizeEventType = resizeEventScrollType;
-        var elemTopOffset = elemPosition[1] - this.gridsterElement.scrollTop;
-        var elemBottomOffset = this.gridsterElement.offsetHeight + this.gridsterElement.scrollTop - elemPosition[1] - elemPosition[3];
-        if (lastMouse.pageY < e.pageY && elemBottomOffset < this.scrollSensitivity) {
-            this.cancelN();
-            if ((this.resizeEvent && !this.resizeEventType.s) || this.intervalS) {
-                return;
-            }
-            this.intervalS = this.startVertical(1, elemPosition, calculateItemPosition, lastMouse);
-        }
-        else if (lastMouse.pageY > e.pageY && this.gridsterElement.scrollTop > 0 && elemTopOffset < this.scrollSensitivity) {
-            this.cancelS();
-            if ((this.resizeEvent && !this.resizeEventType.n) || this.intervalN) {
-                return;
-            }
-            this.intervalN = this.startVertical(-1, elemPosition, calculateItemPosition, lastMouse);
+var scrollSensitivity;
+var scrollSpeed;
+var intervalDuration = 50;
+var gridsterElement;
+var resizeEvent;
+var resizeEventType;
+var intervalE;
+var intervalW;
+var intervalN;
+var intervalS;
+function scroll(elemPosition, gridsterItem, e, lastMouse, calculateItemPosition, resize, resizeEventScrollType) {
+    scrollSensitivity = gridsterItem.gridster.state.options.scrollSensitivity;
+    scrollSpeed = gridsterItem.gridster.state.options.scrollSpeed;
+    gridsterElement = gridsterItem.gridster.state.element;
+    resizeEvent = resize;
+    resizeEventType = resizeEventScrollType;
+    var elemTopOffset = elemPosition[1] - gridsterElement.scrollTop;
+    var elemBottomOffset = gridsterElement.offsetHeight + gridsterElement.scrollTop - elemPosition[1] - elemPosition[3];
+    if (lastMouse.pageY < e.pageY && elemBottomOffset < scrollSensitivity) {
+        cancelN();
+        if ((resizeEvent && !resizeEventType.s) || intervalS) {
+            return;
         }
-        else if (lastMouse.pageY !== e.pageY) {
-            this.cancelVertical();
+        intervalS = startVertical(1, elemPosition, calculateItemPosition, lastMouse);
+    }
+    else if (lastMouse.pageY > e.pageY && gridsterElement.scrollTop > 0 && elemTopOffset < scrollSensitivity) {
+        cancelS();
+        if ((resizeEvent && !resizeEventType.n) || intervalN) {
+            return;
         }
-        var elemRightOffset = this.gridsterElement.offsetWidth + this.gridsterElement.scrollLeft - elemPosition[0] - elemPosition[2];
-        var elemLeftOffset = elemPosition[0] - this.gridsterElement.scrollLeft;
-        if (lastMouse.pageX < e.pageX && elemRightOffset < this.scrollSensitivity) {
-            this.cancelW();
-            if ((this.resizeEvent && !this.resizeEventType.e) || this.intervalE) {
-                return;
-            }
-            this.intervalE = this.startHorizontal(1, elemPosition, calculateItemPosition, lastMouse);
+        intervalN = startVertical(-1, elemPosition, calculateItemPosition, lastMouse);
+    }
+    else if (lastMouse.pageY !== e.pageY) {
+        cancelVertical();
+    }
+    var elemRightOffset = gridsterElement.offsetWidth + gridsterElement.scrollLeft - elemPosition[0] - elemPosition[2];
+    var elemLeftOffset = elemPosition[0] - gridsterElement.scrollLeft;
+    if (lastMouse.pageX < e.pageX && elemRightOffset < scrollSensitivity) {
+        cancelW();
+        if ((resizeEvent && !resizeEventType.e) || intervalE) {
+            return;
         }
-        else if (lastMouse.pageX > e.pageX && this.gridsterElement.scrollLeft > 0 && elemLeftOffset < this.scrollSensitivity) {
-            this.cancelE();
-            if ((this.resizeEvent && !this.resizeEventType.w) || this.intervalW) {
-                return;
-            }
-            this.intervalW = this.startHorizontal(-1, elemPosition, calculateItemPosition, lastMouse);
+        intervalE = startHorizontal(1, elemPosition, calculateItemPosition, lastMouse);
+    }
+    else if (lastMouse.pageX > e.pageX && gridsterElement.scrollLeft > 0 && elemLeftOffset < scrollSensitivity) {
+        cancelE();
+        if ((resizeEvent && !resizeEventType.w) || intervalW) {
+            return;
         }
-        else if (lastMouse.pageX !== e.pageX) {
-            this.cancelHorizontal();
+        intervalW = startHorizontal(-1, elemPosition, calculateItemPosition, lastMouse);
+    }
+    else if (lastMouse.pageX !== e.pageX) {
+        cancelHorizontal();
+    }
+}
+exports.scroll = scroll;
+function startVertical(sign, elemPosition, calculateItemPosition, lastMouse) {
+    return setInterval(function () {
+        if (!gridsterElement || sign === -1 && gridsterElement.scrollTop - scrollSpeed < 0) {
+            cancelVertical();
         }
-    };
-    GridsterScroll.prototype.startVertical = function (sign, elemPosition, calculateItemPosition, lastMouse) {
-        return setInterval(function () {
-            if (!this.gridsterElement || sign === -1 && this.gridsterElement.scrollTop - this.scrollSpeed < 0) {
-                this.cancelVertical();
-            }
-            this.gridsterElement.scrollTop += sign * this.scrollSpeed;
-            if (this.resizeEvent) {
-                if (this.resizeEventType.n) {
-                    elemPosition[1] += sign * this.scrollSpeed;
-                    elemPosition[3] -= sign * this.scrollSpeed;
-                }
-                else {
-                    elemPosition[3] += sign * this.scrollSpeed;
-                }
+        gridsterElement.scrollTop += sign * scrollSpeed;
+        if (resizeEvent) {
+            if (resizeEventType.n) {
+                elemPosition[1] += sign * scrollSpeed;
+                elemPosition[3] -= sign * scrollSpeed;
             }
             else {
-                elemPosition[1] += sign * this.scrollSpeed;
-            }
-            calculateItemPosition(lastMouse);
-        }.bind(this), this.intervalDuration);
-    };
-    GridsterScroll.prototype.startHorizontal = function (sign, elemPosition, calculateItemPosition, lastMouse) {
-        return setInterval(function () {
-            if (!this.gridsterElement || sign === -1 && this.gridsterElement.scrollLeft - this.scrollSpeed < 0) {
-                this.cancelHorizontal();
+                elemPosition[3] += sign * scrollSpeed;
             }
-            this.gridsterElement.scrollLeft += sign * this.scrollSpeed;
-            if (this.resizeEvent) {
-                if (this.resizeEventType.w) {
-                    elemPosition[0] += sign * this.scrollSpeed;
-                    elemPosition[2] -= sign * this.scrollSpeed;
-                }
-                else {
-                    elemPosition[2] += sign * this.scrollSpeed;
-                }
+        }
+        else {
+            elemPosition[1] += sign * scrollSpeed;
+        }
+        calculateItemPosition(lastMouse);
+    }.bind(this), intervalDuration);
+}
+function startHorizontal(sign, elemPosition, calculateItemPosition, lastMouse) {
+    return setInterval(function () {
+        if (!gridsterElement || sign === -1 && gridsterElement.scrollLeft - scrollSpeed < 0) {
+            cancelHorizontal();
+        }
+        gridsterElement.scrollLeft += sign * scrollSpeed;
+        if (resizeEvent) {
+            if (resizeEventType.w) {
+                elemPosition[0] += sign * scrollSpeed;
+                elemPosition[2] -= sign * scrollSpeed;
             }
             else {
-                elemPosition[0] += sign * this.scrollSpeed;
+                elemPosition[2] += sign * scrollSpeed;
             }
-            calculateItemPosition(lastMouse);
-        }.bind(this), this.intervalDuration);
-    };
-    GridsterScroll.prototype.cancelScroll = function () {
-        this.cancelHorizontal();
-        this.cancelVertical();
-        this.scrollSensitivity = undefined;
-        this.scrollSpeed = undefined;
-        this.gridsterElement = undefined;
-        this.resizeEventType = undefined;
-    };
-    GridsterScroll.prototype.cancelHorizontal = function () {
-        this.cancelE();
-        this.cancelW();
-    };
-    GridsterScroll.prototype.cancelVertical = function () {
-        this.cancelN();
-        this.cancelS();
-    };
-    GridsterScroll.prototype.cancelE = function () {
-        if (this.intervalE) {
-            clearInterval(this.intervalE);
-            this.intervalE = undefined;
-        }
-    };
-    GridsterScroll.prototype.cancelW = function () {
-        if (this.intervalW) {
-            clearInterval(this.intervalW);
-            this.intervalW = undefined;
         }
-    };
-    GridsterScroll.prototype.cancelS = function () {
-        if (this.intervalS) {
-            clearInterval(this.intervalS);
-            this.intervalS = undefined;
+        else {
+            elemPosition[0] += sign * scrollSpeed;
         }
-    };
-    GridsterScroll.prototype.cancelN = function () {
-        if (this.intervalN) {
-            clearInterval(this.intervalN);
-            this.intervalN = undefined;
-        }
-    };
-    return GridsterScroll;
-}());
-GridsterScroll = __decorate([
-    core_1.Injectable(),
-    __metadata("design:paramtypes", [])
-], GridsterScroll);
-exports.GridsterScroll = GridsterScroll;
+        calculateItemPosition(lastMouse);
+    }.bind(this), intervalDuration);
+}
+function cancelScroll() {
+    cancelHorizontal();
+    cancelVertical();
+    scrollSensitivity = undefined;
+    scrollSpeed = undefined;
+    gridsterElement = undefined;
+    resizeEventType = undefined;
+}
+exports.cancelScroll = cancelScroll;
+function cancelHorizontal() {
+    cancelE();
+    cancelW();
+}
+function cancelVertical() {
+    cancelN();
+    cancelS();
+}
+function cancelE() {
+    if (intervalE) {
+        clearInterval(intervalE);
+        intervalE = undefined;
+    }
+}
+function cancelW() {
+    if (intervalW) {
+        clearInterval(intervalW);
+        intervalW = undefined;
+    }
+}
+function cancelS() {
+    if (intervalS) {
+        clearInterval(intervalS);
+        intervalS = undefined;
+    }
+}
+function cancelN() {
+    if (intervalN) {
+        clearInterval(intervalN);
+        intervalN = undefined;
+    }
+}
 //# sourceMappingURL=gridsterScroll.service.js.map
\ No newline at end of file
diff --git a/dist/gridsterScroll.service.js.map b/dist/gridsterScroll.service.js.map
index 13a382aa..15faef3b 100644
--- a/dist/gridsterScroll.service.js.map
+++ b/dist/gridsterScroll.service.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"gridsterScroll.service.js","sourceRoot":"","sources":["../lib/gridsterScroll.service.ts"],"names":[],"mappings":";;AAGA,IAAI,iBAAyB,CAAC;AAC9B,IAAI,WAAmB,CAAC;AACxB,IAAI,gBAAgB,GAAW,EAAE,CAAC;AAClC,IAAI,eAA4B,CAAC;AACjC,IAAI,WAAoB,CAAC;AACzB,IAAI,eAAwC,CAAC;AAC7C,IAAI,SAAiB,CAAC;AACtB,IAAI,SAAiB,CAAC;AACtB,IAAI,SAAiB,CAAC;AACtB,IAAI,SAAiB,CAAC;AAEtB,gBAAuB,YAA2B,EAAE,YAAmC,EAAE,CAAa,EAAE,SAAS,EAC1F,qBAA+B,EAAE,MAAgB,EAAE,qBAA+C;IACvH,iBAAiB,GAAG,YAAY,CAAC,QAAQ,CAAC,KAAK,CAAC,OAAO,CAAC,iBAAiB,CAAC;IAC1E,WAAW,GAAG,YAAY,CAAC,QAAQ,CAAC,KAAK,CAAC,OAAO,CAAC,WAAW,CAAC;IAC9D,eAAe,GAAG,YAAY,CAAC,QAAQ,CAAC,KAAK,CAAC,OAAO,CAAC;IACtD,WAAW,GAAG,MAAM,CAAC;IACrB,eAAe,GAAG,qBAAqB,CAAC;IAExC,IAAM,aAAa,GAAG,YAAY,CAAC,CAAC,CAAC,GAAG,eAAe,CAAC,SAAS,CAAC;IAClE,IAAM,gBAAgB,GAAG,eAAe,CAAC,YAAY,GAAG,eAAe,CAAC,SAAS,GAAG,YAAY,CAAC,CAAC,CAAC,GAAG,YAAY,CAAC,CAAC,CAAC,CAAC;IACtH,EAAE,CAAC,CAAC,SAAS,CAAC,KAAK,GAAG,CAAC,CAAC,KAAK,IAAI,gBAAgB,GAAG,iBAAiB,CAAC,CAAC,CAAC;QACtE,OAAO,EAAE,CAAC;QACV,EAAE,CAAC,CAAC,CAAC,WAAW,IAAI,CAAC,eAAe,CAAC,CAAC,CAAC,IAAI,SAAS,CAAC,CAAC,CAAC;YACrD,MAAM,CAAC;QACT,CAAC;QACD,SAAS,GAAG,aAAa,CAAC,CAAC,EAAE,YAAY,EAAE,qBAAqB,EAAE,SAAS,CAAC,CAAC;IAC/E,CAAC;IAAC,IAAI,CAAC,EAAE,CAAC,CAAC,SAAS,CAAC,KAAK,GAAG,CAAC,CAAC,KAAK,IAAI,eAAe,CAAC,SAAS,GAAG,CAAC,IAAI,aAAa,GAAG,iBAAiB,CAAC,CAAC,CAAC;QAC3G,OAAO,EAAE,CAAC;QACV,EAAE,CAAC,CAAC,CAAC,WAAW,IAAI,CAAC,eAAe,CAAC,CAAC,CAAC,IAAI,SAAS,CAAC,CAAC,CAAC;YACrD,MAAM,CAAC;QACT,CAAC;QACD,SAAS,GAAG,aAAa,CAAC,CAAC,CAAC,EAAE,YAAY,EAAE,qBAAqB,EAAE,SAAS,CAAC,CAAC;IAChF,CAAC;IAAC,IAAI,CAAC,EAAE,CAAC,CAAC,SAAS,CAAC,KAAK,KAAK,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC;QACvC,cAAc,EAAE,CAAC;IACnB,CAAC;IAED,IAAM,eAAe,GAAG,eAAe,CAAC,WAAW,GAAG,eAAe,CAAC,UAAU,GAAG,YAAY,CAAC,CAAC,CAAC,GAAG,YAAY,CAAC,CAAC,CAAC,CAAC;IACrH,IAAM,cAAc,GAAG,YAAY,CAAC,CAAC,CAAC,GAAG,eAAe,CAAC,UAAU,CAAC;IACpE,EAAE,CAAC,CAAC,SAAS,CAAC,KAAK,GAAG,CAAC,CAAC,KAAK,IAAI,eAAe,GAAG,iBAAiB,CAAC,CAAC,CAAC;QACrE,OAAO,EAAE,CAAC;QACV,EAAE,CAAC,CAAC,CAAC,WAAW,IAAI,CAAC,eAAe,CAAC,CAAC,CAAC,IAAI,SAAS,CAAC,CAAC,CAAC;YACrD,MAAM,CAAC;QACT,CAAC;QACD,SAAS,GAAG,eAAe,CAAC,CAAC,EAAE,YAAY,EAAE,qBAAqB,EAAE,SAAS,CAAC,CAAC;IACjF,CAAC;IAAC,IAAI,CAAC,EAAE,CAAC,CAAC,SAAS,CAAC,KAAK,GAAG,CAAC,CAAC,KAAK,IAAI,eAAe,CAAC,UAAU,GAAG,CAAC,IAAI,cAAc,GAAG,iBAAiB,CAAC,CAAC,CAAC;QAC7G,OAAO,EAAE,CAAC;QACV,EAAE,CAAC,CAAC,CAAC,WAAW,IAAI,CAAC,eAAe,CAAC,CAAC,CAAC,IAAI,SAAS,CAAC,CAAC,CAAC;YACrD,MAAM,CAAC;QACT,CAAC;QACD,SAAS,GAAG,eAAe,CAAC,CAAC,CAAC,EAAE,YAAY,EAAE,qBAAqB,EAAE,SAAS,CAAC,CAAC;IAClF,CAAC;IAAC,IAAI,CAAC,EAAE,CAAC,CAAC,SAAS,CAAC,KAAK,KAAK,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC;QACvC,gBAAgB,EAAE,CAAC;IACrB,CAAC;AACH,CAAC;AA3CD,wBA2CC;AAED,uBAAuB,IAAY,EAAE,YAA8B,EAAE,qBAA+B,EAAE,SAAS;IAC7G,MAAM,CAAC,WAAW,CAAC;QACjB,EAAE,CAAC,CAAC,CAAC,eAAe,IAAI,IAAI,KAAK,CAAC,CAAC,IAAI,eAAe,CAAC,SAAS,GAAG,WAAW,GAAG,CAAC,CAAC,CAAC,CAAC;YACnF,cAAc,EAAE,CAAC;QACnB,CAAC;QACD,eAAe,CAAC,SAAS,IAAI,IAAI,GAAG,WAAW,CAAC;QAChD,EAAE,CAAC,CAAC,WAAW,CAAC,CAAC,CAAC;YAChB,EAAE,CAAC,CAAC,eAAe,CAAC,CAAC,CAAC,CAAC,CAAC;gBACtB,YAAY,CAAC,CAAC,CAAC,IAAI,IAAI,GAAG,WAAW,CAAC;gBACtC,YAAY,CAAC,CAAC,CAAC,IAAI,IAAI,GAAG,WAAW,CAAC;YACxC,CAAC;YAAC,IAAI,CAAC,CAAC;gBACN,YAAY,CAAC,CAAC,CAAC,IAAI,IAAI,GAAG,WAAW,CAAC;YACxC,CAAC;QACH,CAAC;QAAC,IAAI,CAAC,CAAC;YACN,YAAY,CAAC,CAAC,CAAC,IAAI,IAAI,GAAG,WAAW,CAAC;QACxC,CAAC;QAED,qBAAqB,CAAC,SAAS,CAAC,CAAC;IACnC,CAAC,CAAC,IAAI,CAAC,IAAI,CAAC,EAAE,gBAAgB,CAAC,CAAC;AAClC,CAAC;AAED,yBAAyB,IAAY,EAAE,YAA8B,EAAE,qBAA+B,EAAE,SAAS;IAC/G,MAAM,CAAC,WAAW,CAAC;QACjB,EAAE,CAAC,CAAC,CAAC,eAAe,IAAI,IAAI,KAAK,CAAC,CAAC,IAAI,eAAe,CAAC,UAAU,GAAG,WAAW,GAAG,CAAC,CAAC,CAAC,CAAC;YACpF,gBAAgB,EAAE,CAAC;QACrB,CAAC;QACD,eAAe,CAAC,UAAU,IAAI,IAAI,GAAG,WAAW,CAAC;QACjD,EAAE,CAAC,CAAC,WAAW,CAAC,CAAC,CAAC;YAChB,EAAE,CAAC,CAAC,eAAe,CAAC,CAAC,CAAC,CAAC,CAAC;gBACtB,YAAY,CAAC,CAAC,CAAC,IAAI,IAAI,GAAG,WAAW,CAAC;gBACtC,YAAY,CAAC,CAAC,CAAC,IAAI,IAAI,GAAG,WAAW,CAAC;YACxC,CAAC;YAAC,IAAI,CAAC,CAAC;gBACN,YAAY,CAAC,CAAC,CAAC,IAAI,IAAI,GAAG,WAAW,CAAC;YACxC,CAAC;QACH,CAAC;QAAC,IAAI,CAAC,CAAC;YACN,YAAY,CAAC,CAAC,CAAC,IAAI,IAAI,GAAG,WAAW,CAAC;QACxC,CAAC;QACD,qBAAqB,CAAC,SAAS,CAAC,CAAC;IACnC,CAAC,CAAC,IAAI,CAAC,IAAI,CAAC,EAAE,gBAAgB,CAAC,CAAC;AAClC,CAAC;AAED;IACE,gBAAgB,EAAE,CAAC;IACnB,cAAc,EAAE,CAAC;IACjB,iBAAiB,GAAG,SAAS,CAAC;IAC9B,WAAW,GAAG,SAAS,CAAC;IACxB,eAAe,GAAG,SAAS,CAAC;IAC5B,eAAe,GAAG,SAAS,CAAC;AAC9B,CAAC;AAPD,oCAOC;AAED;IACE,OAAO,EAAE,CAAC;IACV,OAAO,EAAE,CAAC;AACZ,CAAC;AAED;IACE,OAAO,EAAE,CAAC;IACV,OAAO,EAAE,CAAC;AACZ,CAAC;AAED;IACE,EAAE,CAAC,CAAC,SAAS,CAAC,CAAC,CAAC;QACd,aAAa,CAAC,SAAS,CAAC,CAAC;QACzB,SAAS,GAAG,SAAS,CAAC;IACxB,CAAC;AACH,CAAC;AAED;IACE,EAAE,CAAC,CAAC,SAAS,CAAC,CAAC,CAAC;QACd,aAAa,CAAC,SAAS,CAAC,CAAC;QACzB,SAAS,GAAG,SAAS,CAAC;IACxB,CAAC;AACH,CAAC;AAED;IACE,EAAE,CAAC,CAAC,SAAS,CAAC,CAAC,CAAC;QACd,aAAa,CAAC,SAAS,CAAC,CAAC;QACzB,SAAS,GAAG,SAAS,CAAC;IACxB,CAAC;AACH,CAAC;AAED;IACE,EAAE,CAAC,CAAC,SAAS,CAAC,CAAC,CAAC;QACd,aAAa,CAAC,SAAS,CAAC,CAAC;QACzB,SAAS,GAAG,SAAS,CAAC;IACxB,CAAC;AACH,CAAC"}
\ No newline at end of file
diff --git a/dist/gridsterScroll.service.metadata.json b/dist/gridsterScroll.service.metadata.json
index 3de08d2c..d957c8a7 100644
--- a/dist/gridsterScroll.service.metadata.json
+++ b/dist/gridsterScroll.service.metadata.json
@@ -1 +1 @@
-[{"__symbolic":"module","version":3,"metadata":{"GridsterScroll":{"__symbolic":"class","decorators":[{"__symbolic":"call","expression":{"__symbolic":"reference","module":"@angular/core","name":"Injectable"}}],"members":{"__ctor__":[{"__symbolic":"constructor"}],"scroll":[{"__symbolic":"method"}],"startVertical":[{"__symbolic":"method"}],"startHorizontal":[{"__symbolic":"method"}],"cancelScroll":[{"__symbolic":"method"}],"cancelHorizontal":[{"__symbolic":"method"}],"cancelVertical":[{"__symbolic":"method"}],"cancelE":[{"__symbolic":"method"}],"cancelW":[{"__symbolic":"method"}],"cancelS":[{"__symbolic":"method"}],"cancelN":[{"__symbolic":"method"}]}}}},{"__symbolic":"module","version":1,"metadata":{"GridsterScroll":{"__symbolic":"class","decorators":[{"__symbolic":"call","expression":{"__symbolic":"reference","module":"@angular/core","name":"Injectable"}}],"members":{"__ctor__":[{"__symbolic":"constructor"}],"scroll":[{"__symbolic":"method"}],"startVertical":[{"__symbolic":"method"}],"startHorizontal":[{"__symbolic":"method"}],"cancelScroll":[{"__symbolic":"method"}],"cancelHorizontal":[{"__symbolic":"method"}],"cancelVertical":[{"__symbolic":"method"}],"cancelE":[{"__symbolic":"method"}],"cancelW":[{"__symbolic":"method"}],"cancelS":[{"__symbolic":"method"}],"cancelN":[{"__symbolic":"method"}]}}}}]
\ No newline at end of file
+[{"__symbolic":"module","version":3,"metadata":{"scroll":{"__symbolic":"function"},"cancelScroll":{"__symbolic":"function"}}},{"__symbolic":"module","version":1,"metadata":{"scroll":{"__symbolic":"function"},"cancelScroll":{"__symbolic":"function"}}}]
\ No newline at end of file
diff --git a/lib/detectElementResize.ts b/lib/detectElementResize.ts
index 32aaf5a4..4fb660d1 100644
--- a/lib/detectElementResize.ts
+++ b/lib/detectElementResize.ts
@@ -112,8 +112,8 @@ function createStyles() {
       style: any = document.createElement('style');
 
     style.type = 'text/css';
-    if (style.styleSheet) { // tslint:disable-line
-      style.styleSheet.cssText = css; // tslint:disable-line
+    if (style.styleSheet) {
+      style.styleSheet.cssText = css;
     } else {
       style.appendChild(document.createTextNode(css));
     }
@@ -123,7 +123,7 @@ function createStyles() {
   }
 }
 
-export const addResizeListener = function (element, fn) {
+export function addResizeListener(element, fn) {
   if (attachEvent) {
     element.attachEvent('onresize', fn);
   } else {
@@ -150,9 +150,9 @@ export const addResizeListener = function (element, fn) {
     }
     element.__resizeListeners__.push(fn);
   }
-};
+}
 
-export const removeResizeListener = function (element, fn) {
+export function removeResizeListener(element, fn) {
   if (attachEvent) {
     element.detachEvent('onresize', fn);
   } else {
@@ -162,4 +162,4 @@ export const removeResizeListener = function (element, fn) {
       element.__resizeTriggers__ = !element.removeChild(element.__resizeTriggers__);
     }
   }
-};
+}
diff --git a/lib/gridster.component.ts b/lib/gridster.component.ts
index 56d821eb..b0bc44a3 100644
--- a/lib/gridster.component.ts
+++ b/lib/gridster.component.ts
@@ -1,4 +1,3 @@
-///<reference path="../src/typings.d.ts"/>
 import {Component, OnInit, ElementRef, Input, OnDestroy, Renderer} from '@angular/core';
 import * as _ from 'lodash';
 import {GridsterConfigService} from './gridsterConfig.constant';
diff --git a/lib/gridsterDraggable.service.ts b/lib/gridsterDraggable.service.ts
index 1fd7cae4..dd00ed49 100644
--- a/lib/gridsterDraggable.service.ts
+++ b/lib/gridsterDraggable.service.ts
@@ -2,12 +2,11 @@ import {Injectable} from '@angular/core';
 import {GridsterItemComponent} from './gridsterItem.component';
 import * as _ from 'lodash';
 import {GridsterSwap} from './gridsterSwap.service';
-import {GridsterScroll} from './gridsterScroll.service';
+import {scroll, cancelScroll} from './gridsterScroll.service';
 import {GridsterItem} from './gridsterItem.interface';
 
 @Injectable()
 export class GridsterDraggable {
-  gridsterScroll: GridsterScroll;
   element: HTMLElement;
   gridsterItem: GridsterItemComponent;
   itemCopy: GridsterItem;
@@ -29,7 +28,6 @@ export class GridsterDraggable {
   }
 
   constructor(element: HTMLElement, gridsterItem: GridsterItemComponent) {
-    this.gridsterScroll = new GridsterScroll();
     this.element = element;
     this.gridsterItem = gridsterItem;
     this.lastMouse = {
@@ -85,7 +83,7 @@ export class GridsterDraggable {
     this.elemPosition[0] += e.pageX - this.lastMouse.pageX;
     this.elemPosition[1] += e.pageY - this.lastMouse.pageY;
 
-    this.gridsterScroll.scroll(this.elemPosition, this.gridsterItem, e, this.lastMouse, this.calculateItemPosition.bind(this));
+    scroll(this.elemPosition, this.gridsterItem, e, this.lastMouse, this.calculateItemPosition.bind(this));
 
     this.lastMouse.pageX = e.pageX;
     this.lastMouse.pageY = e.pageY;
@@ -99,7 +97,7 @@ export class GridsterDraggable {
     if (this.gridsterItem.gridster.state.options.swap) {
       GridsterSwap.GridsterSwap(this.gridsterItem, this.elemPosition);
     }
-    this.gridsterScroll.cancelScroll();
+    cancelScroll();
     document.removeEventListener('mousemove', this.dragFunction);
     document.removeEventListener('mouseup', this.dragStopFunction);
     document.removeEventListener('touchmove', this.dragFunction);
diff --git a/lib/gridsterResizable.service.ts b/lib/gridsterResizable.service.ts
index 9fd184a0..ac733394 100644
--- a/lib/gridsterResizable.service.ts
+++ b/lib/gridsterResizable.service.ts
@@ -1,6 +1,6 @@
 import {Injectable} from '@angular/core';
 import {GridsterItemComponent} from './gridsterItem.component';
-import {GridsterScroll} from './gridsterScroll.service';
+import {scroll, cancelScroll} from './gridsterScroll.service';
 import * as _ from 'lodash';
 import {GridsterItem} from './gridsterItem.interface';
 import {GridsterResizeEventType} from './gridsterResizeEventType.interface';
@@ -8,7 +8,6 @@ import {GridsterResizeEventType} from './gridsterResizeEventType.interface';
 @Injectable()
 export class GridsterResizable {
   element: HTMLElement;
-  gridsterScroll: GridsterScroll;
   gridsterItem: GridsterItemComponent;
   itemCopy: GridsterItem;
   lastMouse: {
@@ -30,7 +29,6 @@ export class GridsterResizable {
   }
 
   constructor(element: HTMLElement, gridsterItem: GridsterItemComponent) {
-    this.gridsterScroll = new GridsterScroll();
     this.element = element;
     this.gridsterItem = gridsterItem;
     this.lastMouse = {
@@ -114,7 +112,7 @@ export class GridsterResizable {
       GridsterResizable.touchEvent(e);
     }
 
-    this.gridsterScroll.scroll(this.elemPosition, this.gridsterItem, e, this.lastMouse, this.directionFunction, true,
+    scroll(this.elemPosition, this.gridsterItem, e, this.lastMouse, this.directionFunction, true,
       this.resizeEventScrollType);
 
     this.directionFunction(e);
@@ -126,7 +124,7 @@ export class GridsterResizable {
   dragStop(e) {
     e.preventDefault();
     e.stopPropagation();
-    this.gridsterScroll.cancelScroll();
+    cancelScroll();
     document.removeEventListener('mousemove', this.dragFunction);
     document.removeEventListener('mouseup', this.dragStopFunction);
     document.removeEventListener('touchmove', this.dragFunction);
diff --git a/lib/gridsterScroll.service.ts b/lib/gridsterScroll.service.ts
index 0a11ae12..b9ec8d0c 100644
--- a/lib/gridsterScroll.service.ts
+++ b/lib/gridsterScroll.service.ts
@@ -1,154 +1,146 @@
-import {Injectable} from '@angular/core';
 import {GridsterItemComponent} from './gridsterItem.component';
 import {GridsterResizeEventType} from './gridsterResizeEventType.interface';
 
-@Injectable()
-export class GridsterScroll {
-  scrollSensitivity: number;
-  scrollSpeed: number;
-  intervalDuration: number;
-  gridsterElement: HTMLElement;
-  resizeEvent: boolean;
-  resizeEventType: GridsterResizeEventType;
-  intervalE: number;
-  intervalW: number;
-  intervalN: number;
-  intervalS: number;
+let scrollSensitivity: number;
+let scrollSpeed: number;
+let intervalDuration: number = 50;
+let gridsterElement: HTMLElement;
+let resizeEvent: boolean;
+let resizeEventType: GridsterResizeEventType;
+let intervalE: number;
+let intervalW: number;
+let intervalN: number;
+let intervalS: number;
 
-  constructor() {
-    this.intervalDuration = 50;
-  }
-
-  public scroll(elemPosition: Array<number>, gridsterItem: GridsterItemComponent, e: MouseEvent, lastMouse,
-                calculateItemPosition: Function, resize?: boolean, resizeEventScrollType?: GridsterResizeEventType) {
-    this.scrollSensitivity = gridsterItem.gridster.state.options.scrollSensitivity;
-    this.scrollSpeed = gridsterItem.gridster.state.options.scrollSpeed;
-    this.gridsterElement = gridsterItem.gridster.state.element;
-    this.resizeEvent = resize;
-    this.resizeEventType = resizeEventScrollType;
+export function scroll(elemPosition: Array<number>, gridsterItem: GridsterItemComponent, e: MouseEvent, lastMouse,
+                       calculateItemPosition: Function, resize?: boolean, resizeEventScrollType?: GridsterResizeEventType) {
+  scrollSensitivity = gridsterItem.gridster.state.options.scrollSensitivity;
+  scrollSpeed = gridsterItem.gridster.state.options.scrollSpeed;
+  gridsterElement = gridsterItem.gridster.state.element;
+  resizeEvent = resize;
+  resizeEventType = resizeEventScrollType;
 
-    const elemTopOffset = elemPosition[1] - this.gridsterElement.scrollTop;
-    const elemBottomOffset = this.gridsterElement.offsetHeight + this.gridsterElement.scrollTop - elemPosition[1] - elemPosition[3];
-    if (lastMouse.pageY < e.pageY && elemBottomOffset < this.scrollSensitivity) {
-      this.cancelN();
-      if ((this.resizeEvent && !this.resizeEventType.s) || this.intervalS) {
-        return;
-      }
-      this.intervalS = this.startVertical(1, elemPosition, calculateItemPosition, lastMouse);
-    } else if (lastMouse.pageY > e.pageY && this.gridsterElement.scrollTop > 0 && elemTopOffset < this.scrollSensitivity) {
-      this.cancelS();
-      if ((this.resizeEvent && !this.resizeEventType.n) || this.intervalN) {
-        return;
-      }
-      this.intervalN = this.startVertical(-1, elemPosition, calculateItemPosition, lastMouse);
-    } else if (lastMouse.pageY !== e.pageY) {
-      this.cancelVertical();
+  const elemTopOffset = elemPosition[1] - gridsterElement.scrollTop;
+  const elemBottomOffset = gridsterElement.offsetHeight + gridsterElement.scrollTop - elemPosition[1] - elemPosition[3];
+  if (lastMouse.pageY < e.pageY && elemBottomOffset < scrollSensitivity) {
+    cancelN();
+    if ((resizeEvent && !resizeEventType.s) || intervalS) {
+      return;
+    }
+    intervalS = startVertical(1, elemPosition, calculateItemPosition, lastMouse);
+  } else if (lastMouse.pageY > e.pageY && gridsterElement.scrollTop > 0 && elemTopOffset < scrollSensitivity) {
+    cancelS();
+    if ((resizeEvent && !resizeEventType.n) || intervalN) {
+      return;
     }
+    intervalN = startVertical(-1, elemPosition, calculateItemPosition, lastMouse);
+  } else if (lastMouse.pageY !== e.pageY) {
+    cancelVertical();
+  }
 
-    const elemRightOffset = this.gridsterElement.offsetWidth + this.gridsterElement.scrollLeft - elemPosition[0] - elemPosition[2];
-    const elemLeftOffset = elemPosition[0] - this.gridsterElement.scrollLeft;
-    if (lastMouse.pageX < e.pageX && elemRightOffset < this.scrollSensitivity) {
-      this.cancelW();
-      if ((this.resizeEvent && !this.resizeEventType.e) || this.intervalE) {
-        return;
-      }
-      this.intervalE = this.startHorizontal(1, elemPosition, calculateItemPosition, lastMouse);
-    } else if (lastMouse.pageX > e.pageX && this.gridsterElement.scrollLeft > 0 && elemLeftOffset < this.scrollSensitivity) {
-      this.cancelE();
-      if ((this.resizeEvent && !this.resizeEventType.w) || this.intervalW) {
-        return;
-      }
-      this.intervalW = this.startHorizontal(-1, elemPosition, calculateItemPosition, lastMouse);
-    } else if (lastMouse.pageX !== e.pageX) {
-      this.cancelHorizontal();
+  const elemRightOffset = gridsterElement.offsetWidth + gridsterElement.scrollLeft - elemPosition[0] - elemPosition[2];
+  const elemLeftOffset = elemPosition[0] - gridsterElement.scrollLeft;
+  if (lastMouse.pageX < e.pageX && elemRightOffset < scrollSensitivity) {
+    cancelW();
+    if ((resizeEvent && !resizeEventType.e) || intervalE) {
+      return;
+    }
+    intervalE = startHorizontal(1, elemPosition, calculateItemPosition, lastMouse);
+  } else if (lastMouse.pageX > e.pageX && gridsterElement.scrollLeft > 0 && elemLeftOffset < scrollSensitivity) {
+    cancelE();
+    if ((resizeEvent && !resizeEventType.w) || intervalW) {
+      return;
     }
+    intervalW = startHorizontal(-1, elemPosition, calculateItemPosition, lastMouse);
+  } else if (lastMouse.pageX !== e.pageX) {
+    cancelHorizontal();
   }
+}
 
-  startVertical(sign: number, elemPosition: Array < number >, calculateItemPosition: Function, lastMouse): number {
-    return setInterval(function () {
-      if (!this.gridsterElement || sign === -1 && this.gridsterElement.scrollTop - this.scrollSpeed < 0) {
-        this.cancelVertical();
-      }
-      this.gridsterElement.scrollTop += sign * this.scrollSpeed;
-      if (this.resizeEvent) {
-        if (this.resizeEventType.n) {
-          elemPosition[1] += sign * this.scrollSpeed;
-          elemPosition[3] -= sign * this.scrollSpeed;
-        } else {
-          elemPosition[3] += sign * this.scrollSpeed;
-        }
+function startVertical(sign: number, elemPosition: Array < number >, calculateItemPosition: Function, lastMouse): number {
+  return setInterval(function () {
+    if (!gridsterElement || sign === -1 && gridsterElement.scrollTop - scrollSpeed < 0) {
+      cancelVertical();
+    }
+    gridsterElement.scrollTop += sign * scrollSpeed;
+    if (resizeEvent) {
+      if (resizeEventType.n) {
+        elemPosition[1] += sign * scrollSpeed;
+        elemPosition[3] -= sign * scrollSpeed;
       } else {
-        elemPosition[1] += sign * this.scrollSpeed;
+        elemPosition[3] += sign * scrollSpeed;
       }
+    } else {
+      elemPosition[1] += sign * scrollSpeed;
+    }
 
-      calculateItemPosition(lastMouse);
-    }.bind(this), this.intervalDuration);
-  }
+    calculateItemPosition(lastMouse);
+  }.bind(this), intervalDuration);
+}
 
-  startHorizontal(sign: number, elemPosition: Array < number >, calculateItemPosition: Function, lastMouse): number {
-    return setInterval(function () {
-      if (!this.gridsterElement || sign === -1 && this.gridsterElement.scrollLeft - this.scrollSpeed < 0) {
-        this.cancelHorizontal();
-      }
-      this.gridsterElement.scrollLeft += sign * this.scrollSpeed;
-      if (this.resizeEvent) {
-        if (this.resizeEventType.w) {
-          elemPosition[0] += sign * this.scrollSpeed;
-          elemPosition[2] -= sign * this.scrollSpeed;
-        } else {
-          elemPosition[2] += sign * this.scrollSpeed;
-        }
+function startHorizontal(sign: number, elemPosition: Array < number >, calculateItemPosition: Function, lastMouse): number {
+  return setInterval(function () {
+    if (!gridsterElement || sign === -1 && gridsterElement.scrollLeft - scrollSpeed < 0) {
+      cancelHorizontal();
+    }
+    gridsterElement.scrollLeft += sign * scrollSpeed;
+    if (resizeEvent) {
+      if (resizeEventType.w) {
+        elemPosition[0] += sign * scrollSpeed;
+        elemPosition[2] -= sign * scrollSpeed;
       } else {
-        elemPosition[0] += sign * this.scrollSpeed;
+        elemPosition[2] += sign * scrollSpeed;
       }
-      calculateItemPosition(lastMouse);
-    }.bind(this), this.intervalDuration);
-  }
+    } else {
+      elemPosition[0] += sign * scrollSpeed;
+    }
+    calculateItemPosition(lastMouse);
+  }.bind(this), intervalDuration);
+}
 
-  cancelScroll() {
-    this.cancelHorizontal();
-    this.cancelVertical();
-    this.scrollSensitivity = undefined;
-    this.scrollSpeed = undefined;
-    this.gridsterElement = undefined;
-    this.resizeEventType = undefined;
-  }
+export function cancelScroll() {
+  cancelHorizontal();
+  cancelVertical();
+  scrollSensitivity = undefined;
+  scrollSpeed = undefined;
+  gridsterElement = undefined;
+  resizeEventType = undefined;
+}
 
-  cancelHorizontal() {
-    this.cancelE();
-    this.cancelW();
-  }
+function cancelHorizontal() {
+  cancelE();
+  cancelW();
+}
 
-  cancelVertical() {
-    this.cancelN();
-    this.cancelS();
-  }
+function cancelVertical() {
+  cancelN();
+  cancelS();
+}
 
-  cancelE() {
-    if (this.intervalE) {
-      clearInterval(this.intervalE);
-      this.intervalE = undefined;
-    }
+function cancelE() {
+  if (intervalE) {
+    clearInterval(intervalE);
+    intervalE = undefined;
   }
+}
 
-  cancelW() {
-    if (this.intervalW) {
-      clearInterval(this.intervalW);
-      this.intervalW = undefined;
-    }
+function cancelW() {
+  if (intervalW) {
+    clearInterval(intervalW);
+    intervalW = undefined;
   }
+}
 
-  cancelS() {
-    if (this.intervalS) {
-      clearInterval(this.intervalS);
-      this.intervalS = undefined;
-    }
+function cancelS() {
+  if (intervalS) {
+    clearInterval(intervalS);
+    intervalS = undefined;
   }
+}
 
-  cancelN() {
-    if (this.intervalN) {
-      clearInterval(this.intervalN);
-      this.intervalN = undefined;
-    }
+function cancelN() {
+  if (intervalN) {
+    clearInterval(intervalN);
+    intervalN = undefined;
   }
 }
diff --git a/package.json b/package.json
index 48cd7df7..2b19edfa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "angular-gridster2",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "license": "MIT",
   "main": "dist/gridster.module.js",
   "jsnext:main": "dist/gridster.module.js",
@@ -13,7 +13,7 @@
     "test": "ng test",
     "lint": "ng lint",
     "e2e": "ng e2e",
-    "build-demo": "ng build --prod --aot=false",
+    "build-demo": "ng build --prod --aot=false --base-href=./",
     "build-npm": "ngc -p tsconfig.json && copyfiles -u 1 lib/*.html dist && copyfiles -u 1 lib/*.css dist"
   },
   "homepage": "https://github.io/tiberiuzuld/angular-gridster2",