function popup() {
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() {
			window.open(this.href,'new1');
			return false;
			}
		}
	}
}