function openZoom(Height,Width,Url){
var iScreenX = screen.width;
var iScreenY = screen.height;
var iLeftPos = (iScreenX-Width)/2;
var iTopPos = (iScreenY-Height)/2;
//var sFeatures = 'scrollbars=0,resizeable=0,width=' + Width + ',height=' + Height + ',top=' + iTopPos + ',left=' + iLeftPos + ',center=yes,resizable=no,status=no';
var sFeatures = 'scrollbars=0,resizeable=0,width=' + Width + ',height=' + Height + ',top=0,left=0,center=yes,resizable=no,status=no,toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, directories=no, status=no';

window.open(Url ,'Zoom',sFeatures);
return false;
}