if (document.images) 
	{
	home_off = new Image(); home_off.src = "images/nav/home_off.gif"
	home_over = new Image(); home_over.src = "images/nav/home_on.gif"
	products_off = new Image(); products_off.src = "images/nav/products_off.gif"
	products_over = new Image(); products_over.src = "images/nav/products_on.gif"
	solutions_off = new Image(); solutions_off.src = "images/nav/solutions_off.gif"
	solutions_over = new Image(); solutions_over.src = "images/nav/solutions_on.gif"
	ecom_off = new Image(); ecom_off.src = "images/nav/ecom_off.gif"
	ecom_over = new Image(); ecom_over.src = "images/nav/ecom_on.gif"
	contact_off = new Image(); contact_off.src = "images/nav/contact_off.gif"
	contact_over = new Image(); contact_over.src = "images/nav/contact_on.gif"
	careers_off = new Image(); careers_off.src = "images/nav/careers_off.gif"
	careers_over = new Image(); careers_over.src = "images/nav/careers_on.gif"
	}

function turn_off(ImageName) 
	{
	if (document.images != null)
		 {
		document[ImageName].src = eval(ImageName + "_off.src");
		}
	}

function turn_over(ImageName) 
	{
	if (document.images != null) 
		{
		document[ImageName].src = eval(ImageName + "_over.src");
		}
	}