var currentgroup=[];
var productgroup = 4;
var active = 0;

function fadein(eid)
{
  var element = document.getElementById(eid);
 
if(element == null)
     {return; }
   
  if(element.FadeState == null)
  {
    element.FadeState = -2;
  }
    
   
  if(element.FadeState == 1)
  {
    return;
  }
  else if(element.FadeState == -1)
  {
    element.FadeState = 1;
    element.FadeTimeLeft = TimeToFade - element.FadeTimeLeft;
   }
   else if(element.FadeState == 2)
   {
   return;
   } 
   else if(element.FadeState == -2)
    
{
    element.style.display='block';
    element.FadeState = 1;
    element.FadeTimeLeft = TimeToFade;
    setTimeout("animateFade(" + new Date().getTime() + ",'" + eid + "')", 33);
 }  
   
   
}


function fadeout(eid)
{
  var element = document.getElementById(eid);
  if(element == null)
    {return;}
   
      
   
  if(element.FadeState == -1)
  {
    return;
  }
  else if(element.FadeState == 1)
  {
    element.FadeState = -1;
    element.FadeTimeLeft = TimeToFade - element.FadeTimeLeft;
   }
   else if(element.FadeState == 2)
   { 
    element.FadeState = -1;
    element.FadeTimeLeft = TimeToFade;
    setTimeout("animateFade(" + new Date().getTime() + ",'" + eid + "')", 33);
   }
   else if(element.FadeState == -2)
   {
   return;
   } 
   
}



function animateFade(lastTick, eid)
{ 
  var curTick = new Date().getTime();
  var elapsedTicks = curTick - lastTick;
 
  var element = document.getElementById(eid);
 
  if(element.FadeTimeLeft <= elapsedTicks)
  {
    element.style.display = element.FadeState == 1 ? 'block' : 'none';
    element.style.opacity = element.FadeState == 1 ? '1' : '0';
    element.style.filter = 'alpha(opacity = ' + (element.FadeState == 1 ? '100' : '0') + ')';
    element.FadeState = element.FadeState == 1 ? 2 : -2;

    return;
  }
 
  element.FadeTimeLeft -= elapsedTicks;
  var newOpVal = element.FadeTimeLeft/TimeToFade;
  if(element.FadeState == 1)
    { newOpVal = 1 - newOpVal; }

  element.style.opacity = newOpVal;
  element.style.filter = 'alpha(opacity = ' + (newOpVal*100) + ')';
 
  setTimeout("animateFade(" + curTick + ",'" + eid + "')", 33);
}




function highlightCycle(aid)
{






if (active == 0)
{ 
dohighlight(); active = 1;}

}


function dohighlight() {

     
var last = productgroup;                 

            
              if (productgroup < 4) { productgroup ++; }
            
  else if (productgroup >= 4) {productgroup = 0;}
     
      
fadein(oo[productgroup]);
 fadeout(oo[last]);


setTimeout(dohighlight,12000);
}