var imgs = new Array("images/piano_picrt09.jpg", "images/piano_picrt10.jpg", "images/piano_picrt11.jpg", "images/piano_picrt01.jpg",
		    "images/piano_picrt02.jpg", "images/piano_picrt03.jpg", "images/piano_picrt04.jpg", "images/piano_picrt05.jpg", 
		    "images/piano_picrt06.jpg", "images/piano_picrt07.jpg", "images/piano_picrt08.jpg"),
preloadimgs = new Array(), pianostart = true, pianoshowd=document.getElementById("idpianopicrt"), pianotime, n = 0;
var imgs2 = new Array("images/piano_piclft09.jpg", "images/piano_piclft10.jpg", "images/piano_piclft11.jpg", "images/piano_piclft01.jpg",
		    "images/piano_piclft02.jpg", "images/piano_piclft03.jpg", "images/piano_piclft04.jpg", "images/piano_piclft05.jpg", 
		    "images/piano_piclft06.jpg", "images/piano_piclft07.jpg", "images/piano_piclft08.jpg"),
preloadimgs2 = new Array(), piano2showd=document.getElementById("idpianopiclft"), stopd=document.getElementById("idstop"), pianostopind=false;

function preloadpianoshow()
{
  for (var i = 0; i < imgs.length; i++)
  {
    preloadimgs[i] = new Image(); preloadimgs2[i] = new Image();
    preloadimgs[i].src = imgs[i];    preloadimgs2[i].src = imgs2[i];
  }
showpiano();
}

function showpiano()
{
   if (pianostart)
   {
     pianotime = setTimeout ("showpiano()", 4000);
     pianostart = false;
   }
   else
   if (document.all)
   {
      pianoshowd.style.filter="blendTrans(duration=0.5)";
      pianoshowd.filters.blendTrans.Apply();
      pianoshowd.src= preloadimgs[n].src;
      pianoshowd.filters.blendTrans.Play();
      piano2showd.style.filter="blendTrans(duration=0.5)";
      piano2showd.filters.blendTrans.Apply();
      piano2showd.src= preloadimgs2[n].src;
      piano2showd.filters.blendTrans.Play();
      (n == (imgs.length - 1)) ? n = 0: n++;
      pianotime = setTimeout ("showpiano()", 5000);
   }
   else
   {
      if (opfirstind)
      {
         clearTimeout(optim);
         opvarsp("showpiano()", pianoshowd, piano2showd, 1);
      }
      else
      {
         pianoshowd.src= preloadimgs[n].src;
         piano2showd.src= preloadimgs2[n].src;
         opvarsp("showpiano()", pianoshowd, piano2showd, 2);
         (n == (imgs.length - 1)) ? n = 0: n++;
      }
   }
}

function pianostop(pianoind)
{
   if (pianoind == 1)
   {
      clearTimeout(pianotime);
      clearTimeout(optim);
      stopd.style.color = "#ff0000";
      pianostopind = true;
   }
   else
   {
      if (pianostopind)
      {
         showpiano();
         stopd.style.color = "#cc9900";
         pianostopind = false;
      }
      else
      {
         clearTimeout(pianotime);
         clearTimeout(optim);
         pianotime = setTimeout ("showpiano()", 1);
      }
   }
}