// JavaScript Document

function main_nav_onMouseOver(item_obj, desc_id, item_img)
{
	//passing in hover image
	var desc_obj=document.getElementById(desc_id);
	
	item_obj.src=item_img;
	desc_obj.style.display="";
}
function main_nav_onMouseOut(item_obj, desc_id, item_img)
{
	//passing in rest image
	var desc_obj=document.getElementById(desc_id);
	
	item_obj.src=item_img;
	desc_obj.style.display="none";
}
function nav_onMouseOver(item_obj, item_img)
{
	//passing in hover image
	item_obj.src=item_img;
}
function nav_onMouseOut(item_obj, item_img)
{
	//passing in rest image
	item_obj.src=item_img;
}