$(document).ready(function(){
	$('.nav a img').rollover();
	var pathname= location.pathname;
	var matches = pathname.match('^/(.+)/.*$');
	var target = matches ? matches[1] : 'top';
	target = $('.nav .' + target + ' a img');
	
	var src = target.attr('src');
	if(src){
		target.unbind('mouseover').unbind('mouseout').attr('src', src.replace(/\.gif/, '_on.gif'));
	}
	
	protectImageLoad();
});