if (Sys.Browser.agent == Sys.Browser.InternetExplorer){
                Sys.UI.DomElement.getLocation=function(a){
                if(a.self||a.nodeType===9)
                    return new Sys.UI.Point(0,0);
                var b=a.getBoundingClientRect();
                if(!b)
                    return new Sys.UI.Point(0,0);
                var c=a.document.documentElement,d=b.left-2+c.scrollLeft,e=b.top-2+c.scrollTop;
                try{
                    var g=a.ownerDocument.parentWindow.frameElement||null;
                    if(g){
                        var f=2-(g.frameBorder||1)*2;
                    d+=f;e+=f
                    }
 
               }catch(h){}
 
               return new Sys.UI.Point(d,e)};
 
        }