headerList = new Array("main", "connection", "gecko", "memory", "psycho", "robots", "users", "bestviewed");

//document.getElementById('header').style.backgroundImage = "url('media/header_" + headerList[Math.round(Math.random()*(headerList.length - 1))]+".jpg')";

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;