window.onload = Links;

function Links() {
	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";
		}
	}
}