function showhide_tr(arg) {
    if (document.getElementById(arg).style.display=='table-row')
    {
      document.getElementById(arg).style.display='none';
      document.getElementById(arg).style.background='none';
      document.getElementById("main_"+arg).style.background='none';
    }
    else
    {
      document.getElementById(arg).style.display='table-row';
      document.getElementById(arg).style.background='#F3F2EB';
      document.getElementById("main_"+arg).style.background='#F3F2EB';
    }
  }
  
function showhide_div(arg, arg1) {
    if (document.getElementById(arg).style.display=='block')
    {
      document.getElementById("sklepy_wyniki").style.display='block';
      document.getElementById(arg).style.display='none';
      document.getElementById(arg1).style.visibility='hidden';
    }
    else
    {
      document.getElementById("sklepy_wyniki").style.display='none';
      document.getElementById(arg).style.display='block';
      document.getElementById(arg1).style.visibility='visible';
    }
  }