function externallinks()
{
    var c=document.getElementById('container');
    if(c)
    {
        var ls=c.getElementsByTagName('a');
        for(var i=0;i<ls.length;i++){
            if(ls[i].getAttribute('rel')=='external')
            {
                //ls[i].className+=ls[i].className?' extlink':'extlink';
                //ls[i].title+='(opens in new window)';
                ls[i].onclick=function(){
                window.open(this.href);
                return false
                }
            }
        }
    }
}

window.onload=function(){
    if(!document.getElementById && !document.createTextNode){return;}
    externallinks();
}