function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
		} else {
		window.onload = function() {
			if (oldonload) {
			oldonload();
			}
		func();
		}
	}
}

function doPopups() {
  if (!document.getElementsByTagName) return false;
  var links=document.getElementsByTagName("a");
  for (var i=0; i < links.length; i++) {
    if (links[i].className.match("popup")) {
      links[i].onclick=function() {
      // Next two lines should be on one line
        window.open(this.href, "",
          "top=40,left=40,width=1024,height=550,toolbar=1, resizable=1, copyhistory=1, scrollbars=1");
        return false;
      }
    }
  }
}
addLoadEvent(doPopups);