Event.observe(window,"load",function(){
	var ahora=new Date();	
	if(!getCookie("cacheMenu"))
	{		
		var siguienteAnio=new Date(ahora.getTime()+1000*60*60*24*8)
		setCookie('cacheMenu','1');
		location=location.href; 
		return;
	}
	setCookie('cacheMenu','1',new Date(ahora.getTime()-1000*60*60*24));
});

function setCookie(cookieName,cookieValue,expires,path,domain,secure) 
{
	document.cookie=
	escape(cookieName)+'='+escape(cookieValue)
	+(expires?'; EXPIRES='+expires.toGMTString():'')
	+(path?'; PATH='+path:'')
	+(domain?'; DOMAIN='+domain:'')
	+(secure?'; SECURE':'');
}

function getCookie(cookieName) 
{
	var cookieValue=null;
	var posName=document.cookie.indexOf(escape(cookieName)+'=');
	if (posName!=-1) 
	{
		var posValue=posName+(escape(cookieName)+'=').length;
		var endPos=document.cookie.indexOf(';',posValue);
		if (endPos!=-1) 
		{
			cookieValue=unescape(document.cookie.substring(posValue,endPos));
		}
		else 
		{
			cookieValue=unescape(document.cookie.substring(posValue));
		}
	}
	return cookieValue;
}