/* top_menu */
#top_menu { margin:0; padding:0; list-style-type:none;}
#top_menu li {float:left;}
#top_menu li a {display:block; height:40px; margin:12px 0 12px 0; background-image:url(/images/menu_bg.png);}

#top_menu .item1 a { background-position:0px 0px; width:121px;}
#top_menu .item2 a { background-position:-121px 0px; width:148px;}
#top_menu .item3 a { background-position:-269px 0px; width:264px;}
#top_menu .item4 a { background-position:-533px 0px; width:156px;}
#top_menu .item5 a { background-position:-689px 0px; width:157px;}
#top_menu .item6 a { background-position:-846px 0px; width:154px;}
#top_menu .item1 a:hover { background-position:0px -42px;}
#top_menu .item2 a:hover { background-position:-121px -42px;}
#top_menu .item3 a:hover { background-position:-269px -42px;}
#top_menu .item4 a:hover { background-position:-533px -42px;}
#top_menu .item5 a:hover { background-position:-689px -42px;}
#top_menu .item6 a:hover { background-position:-846px -42px;}