/*http://css-happylife.com/log/javascript/000075.shtml*/
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"))
			if (anchor.getAttribute("rel"))
				if(anchor.getAttribute("rel").indexOf("external") != -1)
					anchor.target = "_blank";
	}
}
var __onload_save_externalLinks = window.onload;
window.onload = function() {
	if (__onload_save_externalLinks) __onload_save_externalLinks();
	externalLinks();
}