//This function creates a popup window for the given url, width, and height
function popupWindowExtra(url, intwidth, intheight) 
{
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=' + String(intwidth) + ',height=' + String(intheight) + ',screenX=150,screenY=100,top=100,left=150')
}