$$(".submenu").set("opacity",0);$$(".td_main_navigation").each(function(a){a.addEvent("mouseenter",function(b){close_all();var c=$(a.id+"_sub");if(c){c.set("tween",{duration:"600"});c.tween("opacity","1")}a.addClass("menu_selected")})});function close_all(){$$(".td_main_navigation").each(function(a){var b=$(a.id+"_sub");if(b){b.set("tween",{duration:"300"});b.tween("opacity","0")}a.removeClass("menu_selected")})}$$(".submenu").setStyle("display","");