// JavaScript Document
var current_obj = null;

$().ready(function(){

	$(".ico-box img").mouseover(function(){
		if (current_obj != null) $(current_obj).attr("src", $(current_obj).attr("src").replace("_on", "_off"));
		var url = $(this).attr("src").replace("_off", "_on");
		$(this).attr("src", url);
		var text = $(this).attr("name");
		$(this).parent().parent().find(".roll-text").html(text);
		
		current_obj = $(this);
	});
});