// Rollover
	function imghighlight(whichimg) {
		var imgsrc = new String(whichimg.src);
		imgsrc = imgsrc.replace(new RegExp('_off\.','g'),'_on\.');
		whichimg.src = imgsrc;
	}
	
	function imgnohighlight(whichimg) {
		var imgsrc = new String(whichimg.src);
		imgsrc = imgsrc.replace(new RegExp('_on\.','g'),'_off\.');
		whichimg.src = imgsrc;
	}
	
	
	
// Nav
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);