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") == "blank") {
			anchor.target = "_blank";
		}
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "paypal") {
			anchor.target = "paypal";
		}
	}
}

if (typeof window.addEventListener != "undefined")
	window.addEventListener("load", externalLinks, false);
else if (typeof window.attachEvent != "undefined") {
	window.attachEvent("onload", externalLinks);
}
else {
	if (window.onload != null) {
		var oldOnload = window.onload;
		window.onload = function (e) {
			oldOnload(e);
			externalLinks();
		};
	}
	else
		window.onload = externalLinks;
};