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";
		}
	}
}

function concatEM(_name,host){
	document.location.href = 'mailto: '+_name+'@'+host;
}