
<!-- MENU -->

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) {
		home_down = newImage("images/home-down.gif");
		home_over = newImage("images/home-over.gif");
		services_down = newImage("images/services-down.gif");
		services_over = newImage("images/services-over.gif");
		knowzone_over = newImage("images/knowzone-over.gif");
		knowzone_down = newImage("images/knowzone-down.gif");
		meetJ_over = newImage("images/meetJ-over.gif");
		meetJ_down = newImage("images/meetJ-down.gif");
		preloadFlag = true;
	}
}

<!-- END MENU -->


function ShowLayer(id) {
	var thisDiv = document.getElementById(id);
	thisDiv.style.visibility = "visible";
}


function HideLayer(id) {
	var thisDiv = document.getElementById(id);
	thisDiv.style.visibility = "hidden";
}