<!--

var n = 0;

function PopUp(src,width,height) {
    n++;
    x = (640 - width)/2, y = (480 - height)/2;

      if (screen) {
          var y = (screen.availHeight - height)/2;
          var x = (screen.availWidth - width)/2;
      }
      if (screen.availWidth > 1800) { 
          var x = ((screen.availWidth/2) - width)/2; 
      }
      if (n > 1) {
      x = x + 5;
      y = y + 5;
      }

			var win = window.open(src, n,
             'width='+width+',height='+height+',screenX='+x+',screenY='+y+',top='+y+',left='+x+',titlebar=no,resizable=no,scrollbars=no');

}
//-->