diff --git a/lib/infiniScroll.js b/lib/infiniScroll.js
index f2dac00..f1a00f3 100644
--- a/lib/infiniScroll.js
+++ b/lib/infiniScroll.js
@@ -21,25 +21,35 @@
       error: function(){ },
       onFetch: function(){ },
       target: $(window),
-      param: "until",
-      extraParams: {},
       pageSizeParam: "page_size",
-      untilAttr: "id",
       pageSize: pageSize,
+      includePageSize: true,
+      offsetParam: "offset",
+      includeOffset: false,
+      pageParam: "page",
+      param: "until",
+      untilAttr: "id",
+      includeUntil: true,
       scrollOffset: 100,
       add: true,
       strict: false,
-      includePage: false
+      includePage: false,
+      extraParams: {}
     });
 
     var initialize = function() {
       $target = $(self.options.target);
-      fetchOn = true;
-      page = 1;
-
+      self.reset();
       $target.on("scroll", self.watchScroll);
+      self.collection.on('reset', self.reset);
     };
 
+    self.reset = function() {
+        page = 1;
+        prevScrollY = 0;
+        self.enableFetch();
+    },
+
     self.destroy = function() {
       $target.off("scroll", self.watchScroll);
     };
@@ -100,12 +110,20 @@
     function buildQueryParams(model) {
       var params = { };
 
-      params[self.options.param] = typeof(model[self.options.untilAttr]) === "function" ? model[self.options.untilAttr]() : model.get(self.options.untilAttr);
+      if (self.options.includeUntil) {
+          params[self.options.param] = typeof(model[self.options.untilAttr]) === "function" ? model[self.options.untilAttr]() : model.get(self.options.untilAttr);
+      }
 
-      params[self.options.pageSizeParam] = self.options.pageSize
+      if (self.options.includePageSize) {
+        params[self.options.pageSizeParam] = self.options.pageSize
+      }
 
       if (self.options.includePage) {
-        params["page"] = page + 1;
+        params[self.options.pageParam] = page + 1;
+      }
+
+      if (self.options.includeOffset) {
+        params[self.options.offsetParam] = (page + 1) * self.options.pageSize;
       }
 
       return params;