Sys.UI.DomElement._getCurrentStyle = function Sys$UI$DomElement$_getCurrentStyle(element) {
    if (element.nodeName!="#text"){
        var w = (element.ownerDocument ? element.ownerDocument : element.documentElement).defaultView;
        return ((w && (element !==    w) && w.getComputedStyle)? w.getComputedStyle(element, null): element.style);
    }
    return null;
};

jQuery.iUtil.getPositionLite = function(el)
{
	var x = 0, y = 0;
	while(el) {
		x += el.offsetLeft || 0;
		y += el.offsetTop || 0;
        if (typeof el.offsetParent == 'undefined' || typeof el.offsetParent == 'unknown')
            break;
		el = el.offsetParent;
	}
	return {x:x, y:y};
};

(function($) {

	$.ui.plugin.add("draggable", "stop", "revert", function(e,ui) {
	
		var o = ui.options;
		var rpos = { left: 0, top: 0 };
		o.beQuietAtEnd = true;

		if(ui.helper != this) {

			rpos = $(ui.draggable.sorthelper || this).offset({ border: false });

			var nl = rpos.left-o.po.left-o.margins.left;
			var nt = rpos.top-o.po.top-o.margins.top;

		} else {
			var nl = o.co.left - (o.po ? o.po.left : 0);
			var nt = o.co.top - (o.po ? o.po.top : 0);
		}
		
		var self = ui.draggable;

		if(o.wasPositioned) $(self.element).css('position', o.wasPositioned);
		if(o.stop) o.stop.apply(self.element, [self.helper, self.pos, [o.co.left - o.po.left,o.co.top - o.po.top],self]);
		
		if(self.helper != self.element) window.setTimeout(function() { $(self.helper).remove(); }, 0); //Using setTimeout because of strange flickering in Firefox

	});
	
})(jQuery);