function externalLinks() {

	if (!document.getElementsByTagName) return;

	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
	var anchor = anchors[i];
	var relvalue = anchor.getAttribute("rel");

	if (anchor.getAttribute("href")) {
	var external = /external/;
	var relvalue = anchor.getAttribute("rel");
	if (external.test(relvalue)) { anchor.target = "_blank"; }
	}
	}
} 

function setvalue(myobject,value) {
	document.getElementById(myobject).innerHTML = value;
}

window.onload = externalLinks;