// JavaScript Document
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;

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