// JavaScript Document
function header_button_hover(aItem)
{
	newbackground = "url(images/header_button_hover.png)";
	aItem.style.backgroundImage = newbackground;
}
function header_button_out(aItem)
{
	newbackground = "url(images/header_button.png)";
	aItem.style.backgroundImage = newbackground;
}