lck=0;
  function r(hval)
  {
     if ( lck == 0 )
     {
                        
		switch (hval) {
		case "uno": 
		//document.colores.bgColor=hval;
		document.getElementById('uno').style.background = "url(imagenes/star02.gif)";
		document.getElementById('dos').style.background = "url(imagenes/star01.gif)";
		document.getElementById('tres').style.background = "url(imagenes/star01.gif)";
        document.getElementById('cuatro').style.background = "url(imagenes/star01.gif)";
		document.getElementById('cinco').style.background = "url(imagenes/star01.gif)";
		break;

		case "dos": 
		document.getElementById('uno').style.background = "url(imagenes/star02.gif)";
		document.getElementById('dos').style.background = "url(imagenes/star02.gif)";
		document.getElementById('tres').style.background = "url(imagenes/star01.gif)";
        document.getElementById('cuatro').style.background = "url(imagenes/star01.gif)";
		document.getElementById('cinco').style.background = "url(imagenes/star01.gif)";
	    break;
                        
		case "tres": 
		document.getElementById('uno').style.background = "url(imagenes/star02.gif)";
		document.getElementById('dos').style.background = "url(imagenes/star02.gif)";
		document.getElementById('tres').style.background = "url(imagenes/star02.gif)";
        document.getElementById('cuatro').style.background = "url(imagenes/star01.gif)";
		document.getElementById('cinco').style.background = "url(imagenes/star01.gif)";
		break;

		case "cuatro": 
		document.getElementById('uno').style.background = "url(imagenes/star02.gif)";
		document.getElementById('dos').style.background = "url(imagenes/star02.gif)";
		document.getElementById('tres').style.background = "url(imagenes/star02.gif)";
        document.getElementById('cuatro').style.background = "url(imagenes/star02.gif)";
		document.getElementById('cinco').style.background = "url(imagenes/star01.gif)";
		break;

		case "cinco": 
		document.getElementById('uno').style.background = "url(imagenes/star02.gif)";
		document.getElementById('dos').style.background = "url(imagenes/star02.gif)";
		document.getElementById('tres').style.background = "url(imagenes/star02.gif)";
        document.getElementById('cuatro').style.background = "url(imagenes/star02.gif)";
		document.getElementById('cinco').style.background = "url(imagenes/star02.gif)";
		break;

		}
						
     }
  }
        
 function l()
 {
   if (lck == 0)
   {
      lck = 1;  
   }
  else
  {
      lck = 0;                               
   }
 }


 var cuenta=0;
 function enviado() 
 {
    if (cuenta == 0)
    {
      cuenta++;
      return true;
    }else{
      alert("El comentario ya esta siendo enviado, por favor aguarde un instante.");
      return false;
    }
 }