function enlargeImage(Url,width,height){
var enlarged = new Image(); enlarged.src = ''+Url+''
var prevW = window.open
("","newWin","width="+width+",height="+height+",top=140,left=200,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=yes");
prevW.document.write('Preview Image
');
}