/* 
 * Needed to make CSS based menu work in IE.  IE7 does not properly implement :hover on anything but images
 * earlier versions don't support it at all
 */
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);