function eng_track_on()
    {
			if(document.getElementById("eng_tracks").style.display == "block")
			{
			document.getElementById("player_eng").style.display = "none";
			document.getElementById("eng_tracks").style.display = "none";
			}
			else{
			document.getElementById("eng_tracks").style.display = "block";
			document.getElementById("player_eng").style.display = "block";
			}
  
			 document.getElementById("kar_tracks").style.display = "none";
			 document.getElementById("inst_tracks").style.display = "none";
			 document.getElementById("ring_tracks").style.display = "none";
			 document.getElementById("magyar_tracks").style.display = "none";
			 document.getElementById("player_kar").style.display = "none";
			 document.getElementById("player_inst").style.display = "none";
			 document.getElementById("player_ring").style.display = "none";
			 document.getElementById("player_magyar").style.display = "none";
    }

   function kar_track_on()
    {
			if(document.getElementById("kar_tracks").style.display == "block")
			{
			document.getElementById("player_kar").style.display = "none";
			document.getElementById("kar_tracks").style.display = "none";
			}
			else{
			document.getElementById("kar_tracks").style.display = "block";
			document.getElementById("player_kar").style.display = "block";
			}
  
			 document.getElementById("eng_tracks").style.display = "none";
			 document.getElementById("inst_tracks").style.display = "none";
			 document.getElementById("ring_tracks").style.display = "none";
			 document.getElementById("magyar_tracks").style.display = "none";
			 document.getElementById("player_eng").style.display = "none";
			 document.getElementById("player_inst").style.display = "none";
			 document.getElementById("player_ring").style.display = "none";
			 document.getElementById("player_magyar").style.display = "none";
    }
		
		function inst_track_on()
    {
			if(document.getElementById("inst_tracks").style.display == "block")
			{
			document.getElementById("player_inst").style.display = "none";
			document.getElementById("inst_tracks").style.display = "none";
			}
			else{
			document.getElementById("inst_tracks").style.display = "block";
			document.getElementById("player_inst").style.display = "block";
			}
  
			 document.getElementById("eng_tracks").style.display = "none";
			 document.getElementById("kar_tracks").style.display = "none";
			 document.getElementById("ring_tracks").style.display = "none";
			 document.getElementById("magyar_tracks").style.display = "none";
			 document.getElementById("player_eng").style.display = "none";
			 document.getElementById("player_kar").style.display = "none";
			 document.getElementById("player_ring").style.display = "none";
			 document.getElementById("player_magyar").style.display = "none";
    }
		
		function ring_track_on()
    {
			if(document.getElementById("ring_tracks").style.display == "block")
			{
			document.getElementById("player_ring").style.display = "none";
			document.getElementById("ring_tracks").style.display = "none";
			}
			else{
			document.getElementById("ring_tracks").style.display = "block";
			document.getElementById("player_ring").style.display = "block";
			}
  
			 document.getElementById("eng_tracks").style.display = "none";
			 document.getElementById("kar_tracks").style.display = "none";
			 document.getElementById("inst_tracks").style.display = "none";
			 document.getElementById("magyar_tracks").style.display = "none";
			 document.getElementById("player_eng").style.display = "none";
			 document.getElementById("player_kar").style.display = "none";
			 document.getElementById("player_inst").style.display = "none";
			 document.getElementById("player_magyar").style.display = "none";
    }
		
		function magyar_track_on()
    {
			if(document.getElementById("magyar_tracks").style.display == "block")
			{
			document.getElementById("player_magyar").style.display = "none";
			document.getElementById("magyar_tracks").style.display = "none";
			}
			else{
			document.getElementById("magyar_tracks").style.display = "block";
			document.getElementById("player_magyar").style.display = "block";
			}
  
			 document.getElementById("eng_tracks").style.display = "none";
			 document.getElementById("kar_tracks").style.display = "none";
			 document.getElementById("ring_tracks").style.display = "none";
			 document.getElementById("inst_tracks").style.display = "none";
			 document.getElementById("player_eng").style.display = "none";
			 document.getElementById("player_kar").style.display = "none";
			 document.getElementById("player_ring").style.display = "none";
			 document.getElementById("player_inst").style.display = "none";
    }