function irCine(menu) {
if(menu == 1) { 
 var irCine = document.getElementById("irCine"); 
 var cine = document.getElementById("cine").value; 
} else if(menu == 2) { 
 var irCine = document.getElementById("irCine2"); 
 var cine = document.getElementById("cine2").value; 
} 
 if(cine != "") {
   irCine.submit(); 
  }
}
function irPelicula(menu) {
if(menu == 1) { 
 var irPelicula = document.getElementById("irPelicula"); 
 var pelicula = document.getElementById("pelicula").value; 
} else if(menu == 2) {
 var irPelicula = document.getElementById("irPelicula2"); 
 var pelicula = document.getElementById("pelicula2").value; 
} 
 if(pelicula != "") {
   irPelicula.submit(); 
  }
}
function caracteres() {
 var caracteres = document.getElementById("caracteres"); 
 var textarea = document.getElementById("textarea"); 
 var textarea_length = document.getElementById("textarea").value.length; 
  if(textarea_length <= 500) { 
 var restantes = 500 - textarea_length;
 caracteres.innerHTML = restantes; 
 } 
 else 
 {
 textarea.value = textarea.value.slice(0,500);
 } 
 
}