function mainmenu(){
$(" #nav ul ").css({display: "none"});
$(" #nav li").hover(function(){
	$(this).find('ul:first:hidden').css({visibility: "visible",display: "none"}).slideDown(500);
	if($(this).find('.link_mnu:first').html()=='cyshop'){
		$(this).find('.link_mnu:first').css('background-image','url(/portal/miscelanea/images/back_mnu_on.jpg)');
		$("#content").css({'margin-top':'5px !important;','margin-top':'-30px;'});
	}else{
		$(this).find('.link_mnu:first').css('background-image','url(/portal/miscelanea/images/back_mnu_on.jpg)');
	}
	},function(){
		$(this).find('ul:first').slideUp(500);
		$(this).find('.link_mnu:first').css('background-image','url(/portal/miscelanea/images/back_mnu_off.jpg)');
	});
}

function mainmenu2(){
$(" #nav_dupla ul ").css({display: "none"});
$(" #nav_dupla li").hover(function(){
		$(this).find('ul:first:hidden').css({visibility: "visible",display: "none"}).slideDown(500);
		$(this).find('.link_mnu2:first').css('background-image','url(/portal/miscelanea/images/back_mnu_dupla_on.jpg)');
	},function(){
		$(this).find('ul:first').slideUp(500);
		$(this).find('.link_mnu2:first').css('background-image','url(/portal/miscelanea/images/back_mnu_dupla.jpg)');
	});
}

$(document).ready(function(){
	mainmenu();
	mainmenu2();
});