function absTop(el) {
	return (el.offsetParent) ? el.offsetTop+absTop(el.offsetParent) : el.offsetTop;
}
function absLeft(el) {
	return (el.offsetParent) ? el.offsetLeft+absLeft(el.offsetParent) : el.offsetLeft;
}

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