    function mandarGalleta(nombre, valor, caducidad) {
      document.cookie = nombre + "=" + escape(valor)
        + ((caducidad == null) ? "" : ("; expires=" + caducidad.toGMTString()))
    }
    function consultarGalleta(nombre) {
      var buscamos = nombre + "=";
      if (document.cookie.length > 0) {
        i = document.cookie.indexOf(buscamos);
        if (i != -1) {
          i += buscamos.length;
          j = document.cookie.indexOf(";", i);
          if (j == -1)
            j = document.cookie.length;
          return unescape(document.cookie.substring(i,j));
        }
      }
    }

    function frasesJCA() {
      var num;
      var fecha=new Date (2010, 12, 31);
      if (!(num=consultarGalleta("FrasesJCA2010_01")))
        num = 0;
      num++;
      mandarGalleta("FrasesJCA2010_01",num,fecha);
      switch (num) {
         case 1:
           document.write("<img border='0' src='images/frases/frase01.gif' alt=''>");
           break;
         case 2:
           document.write("<img border='0' src='images/frases/frase02.gif' alt=''>");
           break;
         case 3:
           document.write("<img border='0' src='images/frases/frase03.gif' alt=''>");
           break;
         case 4:
           document.write("<img border='0' src='images/frases/frase04.gif' alt=''>");
           break;
         case 5:
           document.write("<img border='0' src='images/frases/frase05.gif' alt=''>");
           break;
         case 6:
           document.write("<img border='0' src='images/frases/frase06.gif' alt=''>");
           break;
         case 7:
           document.write("<img border='0' src='images/frases/frase07.gif' alt=''>");
           break;
         case 8:
           document.write("<img border='0' src='images/frases/frase08.gif' alt=''>");
           break;
         case 9:
           document.write("<img border='0' src='images/frases/frase09.gif' alt=''>");
           break;
         case 10:
           document.write("<img border='0' src='images/frases/frase10.gif' alt=''>");
           break;
         case 11:
           document.write("<img border='0' src='images/frases/frase11.gif' alt=''>");
           break;
         case 12:
           document.write("<img border='0' src='images/frases/frase12.gif' alt=''>");
           break;
         case 13:
           document.write("<img border='0' src='images/frases/frase13.gif' alt=''>");
           break;
         case 14:
           document.write("<img border='0' src='images/frases/frase14.gif' alt=''>");
           break;
         case 15:
           document.write("<img border='0' src='images/frases/frase15.gif' alt=''>");
           break;
         case 16:
           document.write("<img border='0' src='images/frases/frase16.gif' alt=''>");
           break;
         case 17:
           document.write("<img border='0' src='images/frases/frase17.gif' alt=''>");
           break;
         case 18:
           document.write("<img border='0' src='images/frases/frase18.gif' alt=''>");
           break;
         case 19:
           document.write("<img border='0' src='images/frases/frase19.gif' alt=''>");
           break;
         case 20:
           document.write("<img border='0' src='images/frases/frase20.gif' alt=''>");
           break;
         case 21:
           document.write("<img border='0' src='images/frases/frase21.gif' alt=''>");
           break;
         case 22:
           document.write("<img border='0' src='images/frases/frase22.gif' alt=''>");
           break;
         case 23:
           document.write("<img border='0' src='images/frases/frase23.gif' alt=''>");
           break;
         case 24:
           document.write("<img border='0' src='images/frases/frase24.gif' alt=''>");
           break;
         case 25:
           document.write("<img border='0' src='images/frases/frase25.gif' alt=''>");
           break;
         case 26:
           document.write("<img border='0' src='images/frases/frase26.gif' alt=''>");
           break;
         case 27:
           document.write("<img border='0' src='images/frases/frase27.gif' alt=''>");
           break;
         case 28:
           document.write("<img border='0' src='images/frases/frase28.gif' alt=''>");
           break;
         case 29:
           document.write("<img border='0' src='images/frases/frase29.gif' alt=''>");
           break;
         default:
           document.write("<img border='0' src='images/frases/frase30.gif' alt=''>");
           num = 0;
           mandarGalleta("FrasesJCA2010_01",num,fecha);
      }
    }

