function init() {
var links = document.getElementsByTagName('a');
for (var i = links.length; i != 0; i--) {
    var a = links[i-1];
    if (!a.href) continue;
	if (a.className && a.className.indexOf('external') != -1) a.onclick = PopWin;
}
}
																		    
function PopWin(e) {
if (!e) var e = window.event;
var a = e.target ? e.target : e.srcElement;
var newwin = window.open(a.href);
return !newwin;                               
}
																													    
onload = init;