function prikazi(btn_n , tr_id , div_id )
{
  var trx = document.getElementById( tr_id );
  var btn = document.getElementById( btn_n );
  var divx = document.getElementById( div_id );
  
  if (trx.style.visibility == "visible")
    {
  	  trx.style.visibility = "collapse";
  	  divx.style.visibility = "hidden";
  	  btn.value = "Prika\u017ei";
    }
  else
    {
  	  trx.style.visibility = "visible";
      divx.style.visibility = "visible";  	  
  	  btn.value = "Skloni";
    }
  
  
}

function prikazidan(btn_n , d_id)
{
  var trx = document.getElementById( d_id );
  var btn = document.getElementById ( btn_n );
  
  if (trx.style.visibility == "visible")
    {
  	  trx.style.visibility = "collapse";
  	  btn.value = "Prika\u017ei listu";
  	  if (d_id == "t_1")
  	    {
      	  document.getElementById( "tr_a_1_1" ).style.visibility = "collapse";
  	      document.getElementById( "d_1_1" ).style.visibility = "hidden";
  	      document.getElementById( "a_1_1" ).value = "Prika\u017ei";

  	      document.getElementById( "tr_a_1_2" ).style.visibility = "collapse";
  	      document.getElementById( "d_1_2" ).style.visibility = "hidden";
  	      document.getElementById( "a_1_2" ).value = "Prika\u017ei";
  	  
  	      document.getElementById( "tr_a_1_3" ).style.visibility = "collapse";
  	      document.getElementById( "d_1_3" ).style.visibility = "hidden";
  	      document.getElementById( "a_1_3" ).value = "Prika\u017ei";
  	  
  	      document.getElementById( "tr_a_1_4" ).style.visibility = "collapse";
  	      document.getElementById( "d_1_4" ).style.visibility = "hidden";
  	      document.getElementById( "a_1_4" ).value = "Prika\u017ei";
  	  
  	      document.getElementById( "tr_a_1_5" ).style.visibility = "collapse";
  	      document.getElementById( "d_1_5" ).style.visibility = "hidden";
  	      document.getElementById( "a_1_5" ).value = "Prika\u017ei";
  	  
  	  	  document.getElementById( "tr_a_1_6" ).style.visibility = "collapse";
  	  	  document.getElementById( "d_1_6" ).style.visibility = "hidden";
	    	  document.getElementById( "a_1_6" ).value = "Prika\u017ei";
  	  
  	  	  document.getElementById( "tr_a_1_7" ).style.visibility = "collapse";
  	  	  document.getElementById( "d_1_7" ).style.visibility = "hidden";
  	  	  document.getElementById( "a_1_7" ).value = "Prika\u017ei";
  	  
  	  	  document.getElementById( "tr_a_1_8" ).style.visibility = "collapse";
  	  	  document.getElementById( "d_1_8" ).style.visibility = "hidden";
  	  	  document.getElementById( "a_1_8" ).value = "Prika\u017ei";
  	  	
  	    }
  	  if (d_id == "t_2")
  	    {
  	  	  document.getElementById( "tr_a_2_1" ).style.visibility = "collapse";
  	  	  document.getElementById( "d_2_1" ).style.visibility = "hidden";
  	  	  document.getElementById( "a_2_1" ).value = "Prika\u017ei";
  	  
  	  	  document.getElementById( "tr_a_2_2" ).style.visibility = "collapse";
  	  	  document.getElementById( "d_2_2" ).style.visibility = "hidden";
  	  	  document.getElementById( "a_2_2" ).value = "Prika\u017ei";
  	  
  	  	  document.getElementById( "tr_a_2_3" ).style.visibility = "collapse";
  	  	  document.getElementById( "d_2_3" ).style.visibility = "hidden";
  	  	  document.getElementById( "a_2_3" ).value = "Prika\u017ei";
  	  
  	  	  document.getElementById( "tr_a_2_4" ).style.visibility = "collapse";
  	  	  document.getElementById( "d_2_4" ).style.visibility = "hidden";
  	  	  document.getElementById( "a_2_4" ).value = "Prika\u017ei";

  	  	  document.getElementById( "tr_a_2_5" ).style.visibility = "collapse";
  	  	  document.getElementById( "d_2_5" ).style.visibility = "hidden";
  	  	  document.getElementById( "a_2_5" ).value = "Prika\u017ei";
  	  	
  	    }
    }
  else
    {
  	  trx.style.visibility = "visible";
  	  btn.value = "Skloni listu";
    }
  
  
}