(function ($, undefined) {
    var mouseHandled = false; $(document).mouseup(function (e) { mouseHandled = false; }); $.widget("ui.mouse", { options: { cancel: ':input,option', distance: 1, delay: 0 }, _mouseInit: function () { var self = this; this.element.bind('mousedown.' + this.widgetName, function (event) { return self._mouseDown(event); }).bind('click.' + this.widgetName, function (event) { if (true === $.data(event.target, self.widgetName + '.preventClickEvent')) { $.removeData(event.target, self.widgetName + '.preventClickEvent'); event.stopImmediatePropagation(); return false; } }); this.started = false; }, _mouseDestroy: function () { this.element.unbind('.' + this.widgetName); }, _mouseDown: function (event) {
        if (mouseHandled) { return }; (this._mouseStarted && this._mouseUp(event)); this._mouseDownEvent = event; var self = this, btnIsLeft = (event.which == 1), elIsCancel = (typeof this.options.cancel == "string" && event.target.nodeName ? $(event.target).closest(this.options.cancel).length : false); if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) { return true; }
        this.mouseDelayMet = !this.options.delay; if (!this.mouseDelayMet) { this._mouseDelayTimer = setTimeout(function () { self.mouseDelayMet = true; }, this.options.delay); }
        if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) { this._mouseStarted = (this._mouseStart(event) !== false); if (!this._mouseStarted) { event.preventDefault(); return true; } }
        if (true === $.data(event.target, this.widgetName + '.preventClickEvent')) { $.removeData(event.target, this.widgetName + '.preventClickEvent'); }
        this._mouseMoveDelegate = function (event) { return self._mouseMove(event); }; this._mouseUpDelegate = function (event) { return self._mouseUp(event); }; $(document).bind('mousemove.' + this.widgetName, this._mouseMoveDelegate).bind('mouseup.' + this.widgetName, this._mouseUpDelegate); event.preventDefault(); mouseHandled = true; return true;
    }, _mouseMove: function (event) {
        if ($.browser.msie && !(document.documentMode >= 9) && !event.button) { return this._mouseUp(event); }
        if (this._mouseStarted) { this._mouseDrag(event); return event.preventDefault(); }
        if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) { this._mouseStarted = (this._mouseStart(this._mouseDownEvent, event) !== false); (this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event)); }
        return !this._mouseStarted;
    }, _mouseUp: function (event) {
        $(document).unbind('mousemove.' + this.widgetName, this._mouseMoveDelegate).unbind('mouseup.' + this.widgetName, this._mouseUpDelegate); if (this._mouseStarted) {
            this._mouseStarted = false; if (event.target == this._mouseDownEvent.target) { $.data(event.target, this.widgetName + '.preventClickEvent', true); }
            this._mouseStop(event);
        }
        return false;
    }, _mouseDistanceMet: function (event) { return (Math.max(Math.abs(this._mouseDownEvent.pageX - event.pageX), Math.abs(this._mouseDownEvent.pageY - event.pageY)) >= this.options.distance); }, _mouseDelayMet: function (event) { return this.mouseDelayMet; }, _mouseStart: function (event) { }, _mouseDrag: function (event) { }, _mouseStop: function (event) { }, _mouseCapture: function (event) { return true; } 
    });
})(jQuery);