// declare images
var AboutUsContactUs = new Image();
var PortfolioContactUs = new Image();
var ServicesContactUs = new Image();
var PeopleContactUs = new Image();
var ContactUs = new Image();

// set image sources
AboutUsContactUs.src = "Images/Nav/AboutUsContactUs.gif";
PortfolioContactUs.src = "Images/Nav/PortfolioContactUs.gif";
ServicesContactUs.src = "Images/Nav/ServicesContactUs.gif";
PeopleContactUs.src = "Images/Nav/PeopleContactUs.gif";
ContactUs.src = "Images/Nav/ContactUs.gif";

// ChangeImage()
function ChangeImage(Image, NewImage)
{
	if (document.getElementById(Image).src != eval(NewImage + ".src"))
		document.getElementById(Image).src = eval(NewImage + ".src");
}