function mainmenu(){
$(" #nav ul ").css({display: "none"}); // Opera Fix
$(" #nav li").hover(function(){
		$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(400);
		},function(){
		$(this).find('ul:first').css({visibility: "hidden"});
		});
}

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


//Returns an object given an id
function getObjectFromID(id){
	var theObject;
	if(document.getElementById)
		theObject=document.getElementById(id);
	else
		theObject=document.all[id];
	return theObject;
}

function hideSection1(campo1){
	sectionid = "" + campo1;

	var thediv=getObjectFromID(sectionid);
	if (thediv.style.display=="none"){ // MUESTRA
		thediv.style.display="block";
	}
	else { // OCULTA
		thediv.style.display="none";
	}
}