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") == "externalRedirect")
     anchor.target = "_blank";
 }
}

window.onload = externalLinks;

var rows = document.getElementsByTagName('tr');

for(var i = 0; i < rows.length; i++){

	rows[i].onmouseover = function() {

		this.className += ' hilite';

	}

	rows[i].onmouseout = function() {

		this.className = this.className.replace('hilite', '');

	}

}
<!--//--><![CDATA[//><!--

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

//--><!]]>