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")){
			var rel = anchor.getAttribute("rel");
			
			if (rel == "external")
				anchor.target = "_blank";			
			else if (rel.substring(0,9) == "external:")
				anchor.target = rel.substring(9, rel.length);
		}
	}
}

externalLinks();

if(document.getElementsByTagName){
	var a = document.getElementsByTagName("a");
	for(var i=0; i<a.length; a++){
		a[i].onfocus = function(){
			if(this.blur)
				this.blur();
		}
	}
}