<!-- Window Pop-Up center -->
function NewWindow(mypage, myname, w, h, scroll, tools)
{
   var winl = (screen.width - w) / 2;
   var wint = (screen.height - h) / 2;
   winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable,menubar='+tools;
   win = window.open(mypage, myname, winprops);
   if (parseInt(navigator.appVersion) >= 4)
   {
      win.window.focus();
   }
}