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=700,height=500");
				return false;
			}
		}
	}
}
window.onload=doPopups;