ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false
 
account				= new Image();
account.src			= "/images/global/tab_my_account.gif";
account_on			= new Image();
account_on.src		= "/images/global/tab_my_account_on.gif";

cart				= new Image();
cart.src			= "/images/global/tab_shopping_cart.gif";
cart_on				= new Image();
cart_on.src			= "/images/global/tab_shopping_cart_on.gif";

checkout			= new Image();
checkout.src		= "/images/global/tab_checkout.gif";
checkout_on			= new Image();
checkout_on.src		= "/images/global/tab_checkout_on.gif";
 
terms				= new Image();
terms.src			= "/images/global/footer_terms.gif";
terms_on			= new Image();
terms_on.src		= "/images/global/footer_terms_on.gif";

about				= new Image();
about.src			= "/images/global/footer_about.gif";
about_on			= new Image();
about_on.src		= "/images/global/footer_about_on.gif";

contact				= new Image();
contact.src			= "/images/global/footer_contact.gif";
contact_on			= new Image();
contact_on.src		= "/images/global/footer_contact_on.gif";

search				= new Image();
search.src			= "/images/global/footer_search.gif";
search_on			= new Image();
search_on.src		= "/images/global/footer_search_on.gif";

var currentImg = "";
ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false

function img_act(imgName) 
{
        imgOn = eval(imgName + "_on.src");
        document [imgName].src = imgOn;
}

function img_inact(imgName) 
{
	if(currentImg != imgName)
	{
        imgOff = eval(imgName + ".src");
        document [imgName].src = imgOff;
    }
}

function img_sel(imgName)
{
	temp = currentImg;
	currentImg = imgName;
	
	if(temp != "")
		img_inact(temp);
}