loaded = 0
	
	function preloadImages () {
		arrowOn = new Image(); arrowOn.src = "/images/nav/arrow_over.gif";
		arrowOff = new Image(); arrowOff.src = "/images/spacer.gif";
		arrowDn = new Image(); arrowDn.src = "/images/nav/arrow_dn.gif";
		
		loaded = 1;
	}
	
	function msover (iname) {
		if (loaded == 1) {
			document.images[iname].src = arrowOn.src;
		}
	}
	
	function msout (iname) {
		if (loaded == 1) {	 
			if (iname != youAreHere) {	 
			document.images[iname].src = arrowOff.src;
			} else {
				document.images[iname].src = arrowDn.src;
			}
		}	 
	}