function winScroll(url,w,h)
{
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops='height='+h+', width='+w+',left='+winl+', top='+wint+'';
winprops+="resizable=no,scrollbars=no";
window.open(url,"",winprops);
}