/**
 * Code based on article "New-Window Links in a Standards-Compliant World"
 * by Kevin Yank from http://www.sitepoint.com/article/standards-compliant-world/
 */

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";
		}
	}
}

window.onload = externalLinks;