// JavaScript Document

/* 
// funciones valida 
*/
function validaReserva(f)
{
	document.getElementById('er_name').style.display = "none";
	document.getElementById('er_mail').style.display = "none";
	var name = f.name.value;
	var mail = f.mail.value;	
	res = true;
	
	if(name==null || vacio(name))
	{
		document.getElementById('er_name').style.display = "inline";
		res = false;
	}	
	if(mail==null || vacio(mail))
	{
		document.getElementById('er_mail').style.display = "inline";
		res = false;
	}		
	
	return res;
}

/* 
// funcion vacio
*/
function vacio(q)
{  
	 for ( i = 0; i < q.length; i++ ) 
	 {  
		 if ( q.charAt(i) != " " )
		 {  
			 return false  
		 }  
	 }  
	 return true  
}