function init() {
	createExternalLinks();
}


function createExternalLinks() {
    if(document.getElementsByTagName) {
        var anchors = document.getElementsByTagName('a');
        for(var i=0; i<anchors.length; i++) {
            var anchor = anchors[i];
            if(anchor.getAttribute("href") && anchor.getAttribute('rel')=='externo') { 
                anchor.target = '_blank';
             
            }
        }
    }
}


//========================================================
// Event Listener by Scott Andrew - http://scottandrew.com
// edited by Mark Wubben, <useCapture> is now set to false
//http://simon.incutio.com/archive/2004/05/26/addLoadEvent
//========================================================
function addEvent(obj, evType, fn){
    if(obj.addEventListener){
        obj.addEventListener(evType, fn, false);

        return true;

    } else if (obj.attachEvent){
        var r = obj.attachEvent('on'+evType, fn);

        return r;

    } else {
        return false;

    }
}

addEvent(window, "load", init);