var timer ;
  var i ;
function changer(h){
  i= h ;
  var opacity = 200;
  var cas = true ;
    ftg = function(){
		if(opacity >0 && cas == true)
		  {
		   opacity -= 4 ;
		   if(opacity <= 0)
		     {
		     cas = false ;
			 el.style.display = 'none';
			 fg.style.backgroundColor = '#ffffff';
			 i += 1;
			 if(i >=6)
			   i=0 ;
			 }
		  }
		else if(opacity <= 0 || cas == false)
		  {
		   opacity += 4;
		   if(opacity >= 170)
		     cas = true ;
		   }
        el = document.getElementById("hjk"+i);
		fg = document.getElementById("ahjk"+i);
        el.style.display = 'block';
		fg.style.backgroundColor = '#E6E6E6';
	};
   timer = setInterval(ftg,100);
  return true ;
}
function changer2(j)
{
  clearInterval(timer);
   for(var k=0 ;k<=5;k++)
     {
     el = document.getElementById("hjk"+k);
     el.style.display = 'none';
	 fg = document.getElementById("ahjk"+k);
     fg.style.backgroundColor = '#ffffff';	 
	 }
  document.getElementById("ahjk8").innerHTML = "<img onclick=\"changer3()\" src=\"images/play.png\" title=\"play\" />";
  changer(j);
}
function changer3(){clearInterval(timer);document.getElementById("ahjk8").innerHTML = "<img onclick=\"changer4()\" src=\"images/pause.png\" title=\"pause\" />";}
function changer4(){changer2(i);document.getElementById("ahjk8").innerHTML = "<img onclick=\"changer3()\" src=\"images/play.png\" title=\"play\" />";}