function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		cr_button_02_over = newImage("images/home-o.gif");
		cr_button_03_over = newImage("images/italy-o.gif");
		cr_button_04_over = newImage("images/greece-o.gif");
		cr_button_05_over = newImage("images/adventure-o.gif");
		cr_button_06_over = newImage("images/sanfrancsico-o.gif");
		cr_button_07_over = newImage("images/cardiff-o.gif");
		cr_button_08_over = newImage("images/edinburgh-o.gif");
		cr_button_09_over = newImage("images/newcastle-o.gif");
		cr_button_10_over = newImage("images/birmingham-o.gif");
		cr_button_11_over = newImage("images/liverpool-o.gif");
		cr_button_12_over = newImage("images/manchester-o.gif");
		cr_button_13_over = newImage("images/international-visa-o.gif");
		preloadFlag = true;
	}
}


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