function openwin(strFile,strPath)
{
width = (screen.width - 550)/2;
height = (screen.height - 360)/2;
win = window.open('zoom.asp?fileName='+ strFile +'&strPath=' + strPath,'popup','width=550,height=360,toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=no,copyhistory=no,resizable=no,screenX='+width+',screenY='+height+',top='+height+',left='+width+'');
win.focus();
}