function initMenu(){$('#menu ul').hide();$('#menu li .nav_top_cat').click(function(){var className=$(this).attr('class');var checkElement=$(this).next();if(className=='nav_top_cat'){checkElement.slideDown('normal');$(this).attr('class','nav_top_cat2');return false;}else{checkElement.slideUp('normal');$(this).attr('class','nav_top_cat');return false;}});}
$(document).ready(function(){initMenu();});