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";
	}
}

function errorThumb() {
	var videoPix = "http://static.clipmass.com/images/encoding.jpg";
	var userPix = "http://static.clipmass.com/images/no_pix.gif";
	if (!document.getElementsByTagName) return;
	var imgAll = document.getElementsByTagName("img");
	 for (var i = 0; i < imgAll.length; i++) {
		var img = imgAll[i];
		if (img.id.substr(0, 5) == "thumb" && img.complete == false) {
			img.src = videoPix;
		}
		if (img.id.substr(0, 6) == "uthumb" && img.complete == false) {
			img.src = userPix;
		}
	 }
}