var tms = new Array();

function over(menu, index)
{
   if(typeof(tms[index])!="undefined")
   	{
   		clearTimeout(tms[index]);
	}
   document.getElementById(menu).style.visibility="visible";
   EscondeDrops(true);
}
function out(menu, index)
{
	tms[index]=setTimeout("document.getElementById('" + menu + "').style.visibility='hidden';",250);
	EscondeDrops(false);
}
function EscondeDrops(valor)
{
	var form = document.forms[0];
	var navegador = navigator.userAgent;
	
	if (navegador.indexOf("MSIE 6.0")<0)
	{
		return;
	}
	
	
	for(i=0; i<form.elements.length; i++)
	{
		if(form.elements[i].type=="select-one")
		{
			if(valor)
			{
				form.elements[i].style.visibility = "hidden";
			}
			else
			{
				form.elements[i].style.visibility = "visible";
			}
		}
	}
}