function ZobrazSkryj(id)
{
  var el = document.getElementById(id).style;
  if(el) 
    el.display = (el.display == 'block' ? 'none' : 'block');
}

function ZmenitStav(id,state,comment)
{
  var input_report_id      = document.getElementById('report_id');
  var input_report_state   = document.getElementById('report_state');
  var input_report_comment = document.getElementById('report_comment');
  var report_div_report_id = document.getElementById('report_form_report_id');
  
  if(input_report_id) input_report_id.value = id;
  if(input_report_state) input_report_state.value = state;
  if(input_report_comment) input_report_comment.value = comment;
  if(report_div_report_id) report_div_report_id.innerHTML = id;  
}

function NahladIkonky(selected_icon)
{
  var NahladDiv = document.getElementById('IkonkaNahlad');
  var IconName = selected_icon;
  if(NahladDiv)
    NahladDiv.innerHTML = "<img src=\"/img/"+ IconName +"\" alt=\""+ IconName +"\">";
}

function ChangeTxtareaScale(clicked_el, txtarea)
{
  var txtarea = document.getElementById(txtarea).style;
  var caller = clicked_el;
  if(!txtarea || !caller) return;
  
  txtarea.height = '400px';
  caller.style.display = 'none';
}