function dropdown_menu(){jQuery("#nav a, .subnav a");jQuery(" #nav ul ").css({display:"none",opacity:"0.90"});jQuery("#nav li").each(function(){var $sublist=jQuery(this).find('ul:first');jQuery(this).hover(function(){$sublist.stop().css({overflow:"hidden",height:"auto",display:"none"}).slideDown(200,function(){jQuery(this).css({overflow:"visible",height:"auto"})})},function(){$sublist.stop().slideUp(250,function(){jQuery(this).css({overflow:"hidden",display:"none"})})})})}