Sobre (js) (3).

(function( $, undefined ) {
	var uiTooltip = $.ui.tooltip;
	$.widget( "ui.tooltip", $.ui.tooltip, {
		options: {
			content: function() {
				return $( this ).attr( "title" );
			},
			position: {
				my: "left top",
				at: "left bottom",
				offset: "5 10"
			},
			show: {
				delay: 0
			},
			hide: {
				delay: 0
			},
			tooltipClass: null
		},
		_create: function() {
			var that = this;
			this.element.attr( "role", "tooltip" );
			this.tooltip = this._tooltip( this.element );
			this.liveRegion = $( "<div>" ).attr( "id", this.element.attr( "id" ) + "-live" ).addClass( "ui-tooltip-live" ).appendTo( this.document[ 0 ].body );
			this._on( this.element, {
				mouseenter: function( event ) {
					var tooltipData = that._find( event.target );
					if ( !tooltipData ) {
						tooltipData = that._tooltip( event.target );
					}
					that._open( event, tooltipData );
				},
				mouseleave: function( event ) {
					var tooltipData = that._find( event.target );
					if ( tooltipData ) {
						that._close( event, tooltipData );
					}