function changeProductImage(imgName){
	//alert("Image ID: " + imgID + " Image Name: " + imgName);
	document.getElementById('productImage').src = "images/products/main/" + imgName;
}

function showThumb(thumbID, thumbName){
	document.getElementById(thumbID).src = "images/products/thumbs/" + thumbName + ".jpg";		
}

function hideThumb(thumbID, thumbName){
	document.getElementById(thumbID).src = "images/products/thumbs/" + thumbName + "_off.jpg";		
}

function menuOn(divId, count)
{
	//alert("images/menu_item_" + count + "_on.gif");
	document.getElementById(divId).style.background = "url(images/menu_item_" + count + "_on.gif)";	
}

function menuOut(divId, count)
{
	document.getElementById(divId).style.background = "url(images/menu_item_" + count + ".gif)";	
}

function swapSubMenuOn(itemId, imgNo)
{
	document.getElementById(itemId).src = "images/menu_sub_item_" + imgNo + "_on.gif";
}

function swapSubMenuOff(itemId, imgNo)
{
	document.getElementById(itemId).src = "images/menu_sub_item_" + imgNo + ".gif";
}

function showSubMenu(divId)
{
	document.getElementById(divId).style.visibility = "visible";	
}

function hideSubMenu(divId)
{
	document.getElementById(divId).style.visibility = "hidden";	
}