if (document.images)
{

company_on = new Image();
company_on.src = "images/topNavCompany_OVER.gif";
company_off = new Image();
company_off.src = "images/topNavCompany_OFF.gif";

home_on = new Image();
home_on.src = "images/topNavHome_OVER.gif";
home_off = new Image();
home_off.src = "images/topNavHome_OFF.gif";

support_on = new Image();
support_on.src = "images/topNavSupport_OVER.gif";
support_off = new Image();
support_off.src = "images/topNavSupport_OFF.gif";

goodies_on = new Image();
goodies_on.src = "images/topNavGoodies_OVER.gif";
goodies_off = new Image();
goodies_off.src = "images/topNavGoodies_OFF.gif";

demo_on = new Image();
demo_on.src = "images/topNavDemo_OVER.gif";
demo_off = new Image();
demo_off.src = "images/topNavDemo_OFF.gif";

purchase_on = new Image();
purchase_on.src = "images/topNavPurchase_OVER.gif";
purchase_off = new Image();
purchase_off.src = "images/topNavPurchase_OFF.gif";


}

function imgOn(imgName)
{	
	if (document.images)
	{
		document.images[imgName].src = eval(imgName + "on.src");
	}
}

function imgOff(imgName)
{	
	if (document.images)
	{
		document.images[imgName].src = eval(imgName + "off.src");
	}
}