function popup(url) {
 newwindow=window.open(url,"popupwindow","height=360,width=620");
 if(window.focus) {newwindow.focus()}
 return false;
}
window.onload=function(){
 links=document.getElementsByTagName("a");
 for (i=0;i<links.length;i++){
  if (links[i].getAttribute("type")=="popup") {
   links[i].onclick=function(){
	  return popup (this.href);
	 }
  }
 }
}