function mainmenu(){
$(" #menu ul ").css({display: "none"}); // Opera Fix
$(" #menu li").hover(function(){
		$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(200);
		},function(){
		$(this).find('ul:first').css({visibility: "hidden"});
		});
}


function submenu(){
$(" #submenu ul ").css({display: "none"}); // Opera Fix
$(" #submenu li").hover(function(){
		$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(200);
		},function(){
		$(this).find('ul:first').css({visibility: "hidden"});
		});
}

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

$(document).ready(function(){					
//params are: 
//1: name of the container that contains the child elements to work with
//2: maximum number of children to show from total available
showRandomDivs('#columnone',3);
showRandomDivs('#columntwo',3);

});