var opn=-1;
var opn3=-1;
 
 function show_()
  {
    var z='sel3_'+opn3;
    var l=window.document.getElementById(z);
    
    if (window.document.getElementById(z))
    {
      l.style.display="none";
    }
    
    var z='sel2_'+opn;
    var l=window.document.getElementById(z);
    
    if (window.document.getElementById(z))
    {
      l.style.display="none";
    }

    var l=window.document.getElementById('sel_');
    l=l.value;

    if (l!=-1)
    {
      var z='sel2_'+l;
      opn=l;
      var l=window.document.getElementById(z);
      if (l.options.length!='1')
      {
      var l2=l;
      //
     /*l=l.value;
      
      var z='sel3_'+l;
      opn=l;
      var l=window.document.getElementById(z);
      if (window.document.getElementById(z))
      {
      if (l.options.length!='1')
      {
      l.style.display="inline";
      }
      }
      
      //*/
      l=l2;
      l.style.display="inline";
      }
      else
      {
      l=window.document.getElementById('sel_');
    l=l.value;
      location.href="shop_"+urls[(l)]+".html";
      }
    }
  }
  
  function goto_()
  {
  //alert(opn);
  var ll="sel2_"+opn
  var lz=window.document.getElementById(ll).value;
  ll="sel3_"+lz;
    
  if (window.document.getElementById(ll).options.length!=1)
  {
    window.document.getElementById(ll).style.display="inline";
    var z='sel3_'+opn3;
    var l=window.document.getElementById(z);
    
    if (window.document.getElementById(z))
    {
      l.style.display="none";
    }
    opn3=lz;
  }
  else
  {
  
    var l=window.document.getElementById('sel_');
    l=l.value;
    if ((opn!=-1)&&(l!=-1))
    {
      var z='sel2_'+opn;
      l_=window.document.getElementById(z).value;
      location.href="shop_"+urls[l]+"_"+urls[l_]+".html";
        
      }
}
    }
    
    function goto2_()
    {
    var l=window.document.getElementById('sel_');
    l=l.value;
    var z='sel2_'+l;
    l_=window.document.getElementById(z).value;
    var z='sel3_'+l_;
    l__=window.document.getElementById(z).value;
    if (l__!=-1)
    {
      location.href="shop_"+urls[l]+"_"+urls[l_]+"_"+urls[l__]+".html";
    }
    }