Event.observe(window, "load", first_listener);

function first_listener(){
	Event.observe("top_official", "mouseover", function(){document.getElementById("top_official").src="images/top_official.gif";});
	Event.observe("top_official", "mouseout", function(){document.getElementById("top_official").src="images/top_official2.gif";});
	Event.observe("top_online", "mouseover", function(){document.getElementById("top_online").src="images/top_online.gif";});
	Event.observe("top_online", "mouseout", function(){document.getElementById("top_online").src="images/top_online2.gif";});
}