function externalLinks(){
	if(!document.getElementsByTagName) return;
		var anchors = document.getElementsByTagName("a");
		for(var i=0; i<anchors.length; i++){
			var anchor = anchors[i];
			if(anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") anchor.target = "_blank";
		}
}
window.onload = externalLinks;

$(document).ready(function(){
	$('a.colorbox').colorbox();
});