//Preloading Main Nav Images 
if (document.images){
	var navOn = new Array(8);
	var navOf = new Array(8);
	for (i = 0; i < 8; i++){
		navOf[i] = new Image(); navOf[i].src = 'images/navOf' + i + '.gif';
		navOn[i] = new Image(); navOn[i].src = 'images/navOn' + i + '.gif';
		}
}

//-- Rollover Function for Main Nav --
function rollNavOn(imgNum){
	if (document.images){
		document.images["nav"+imgNum].src = navOn[imgNum].src;
	}
}

function rollNavOf(imgNum){
	if (document.images){
		document.images["nav"+imgNum].src = navOf[imgNum].src;
	}
}

//Preloading vision button
if (document.images){
	var visionOn = new Image(); 
	visionOn.src = "home/visionOn.gif";
	var visionOf = new Image(); 
	visionOf.src = "home/visionOf.gif";
}


//-- Rollover Function for Vision Button
function rollOn(name){
	if (document.images){
		eval("document.images['"+name+"'].src ="+name+"On.src");
	}
}

function rollOf(name){
	if (document.images){
		eval("document.images['"+name+"'].src ="+name+"Of.src");
	}
}