function fade_in(el) {
	el.className = 'blocks-over lnk';
}

function fade_out(el) {
	el.className = 'blocks lnk';
}

function link_to(l) {
	document.location.href = l;
}

function red_to(l) {
	document.location.replace = l;
}

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;