var menuLoaded = false;

if (document.images){
	nav_off = new Image();
	nav_off.src = "images/nav.gif";
	nav1_on = new Image();
	nav1_on.src = "images/nav1_on.gif";
	nav2_on = new Image();
	nav2_on.src = "images/nav2_on.gif";
	nav3_on = new Image();
	nav3_on.src = "images/nav3_on.gif";
	nav4_on = new Image();
	nav4_on.src = "images/nav4_on.gif";
	nav5_on = new Image();
	nav5_on.src = "images/nav5_on.gif";
	nav6_on = new Image();
	nav6_on.src = "images/nav6_on.gif";
	nav7_on = new Image();
	nav7_on.src = "images/nav7_on.gif";
	menuLoaded = true;
}

function changeImages(){
	window.onerror = errorHandler;
	if (document.images){
		for (var i=0; i<changeImages.arguments.length; i+=2){
			document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
		}
	}
}