var loc = location.href;
var dir = loc.match('http:\/\/(.+)?\/(.+)?/(.*)');
if(dir){
	dir = dir[2];
}else{
	dir = 'home';
}
$('#navigation img').each(function(){
	var src = $(this).attr('src');
	if(src.indexOf(dir) > 0){
		$(this).attr('src', $(this).attr('src').replace(dir, dir+'_on'));
	}else{
		$(this).addClass('rollover');
		/*
		$(this).mouseover(function(){
			if(!$(this).attr("src").match(/^(.+)_on(\.[a-z]+)$/, "$1_on$2")){
				$(this).attr("src",$(this).attr("src").replace(/^(.+)(\.[a-z]+)$/, "$1_on$2"));
			}
		}).mouseout(function(){
			$(this).attr("src",$(this).attr("src").replace(/^(.+)_on(\.[a-z]+)$/, "$1$2"));
		})
		.each(function(){
			$("<img>").attr("src",$(this).attr("src").replace(/^(.+)(\.[a-z]+)$/, "$1_on$2"));
		})
		*/
	}
});