function showHide(obj){
x=document.getElementById(obj).style;x.display=(x.display == 'block')?'none':'block';return false;}

function JSL(url, jmeno, w, h) 
{
    popupWin = window.open(url, jmeno, 'resizable=0,top=0,left=0,menubar=0,width=' + w + ',height=' + h);
}
function openJSLWindow1() {
Fokus = window.open("", "JSL","height=450,width=420,resizable=no,left=2,top=2,screenX=2,screenY=2,scrollbars=yes");
Fokus.focus()
}
function openJSLWindow() {
Fokus = window.open("", "JSL","height=200,width=250,resizable=no,left=2,top=2,screenX=2,screenY=2,scrollbars=yes");
Fokus.focus()
}
function color(a)
{
  var pismo = document.getElementById("color_row");
  
  pismo.value = a;
}
     var newInput;


var pocet = 1;
function addNewInput(e)
{
pocet++;
// LI element
newLi = document.createElement("li");
newLi.id = "li" + pocet;
// INPUT element
var newInput;
try
{
  newInput = document.createElement("<input type='file' name='obr[]'>");
}
catch(e)
{
  newInput = document.createElement("input");
  newInput.type = "file";
  newInput.name = "obr[]";
}
// A element
newLink = document.createElement("a");
newLink.href = "javascript:removeInput(" + pocet + ");";
newLink.setAttribute('class', 'adminmenu' );
newLink.innerHTML = "Smazat tento obrázek";
// Complete new element
newLi.appendChild(newInput);
newLi.innerHTML += "&nbsp;";
newLi.appendChild(newLink);
// Add to page
document.getElementById(e).appendChild(newLi);
}
// Remove DIV element containig INPUT and A elements
function removeInput(id) {
pInput = document.getElementById('li' + id);
pInput.parentNode.removeChild(pInput);
}
function visibleAnswers(e) {
//Elements default
var defaultAnswers = 2;
for (i = 1; i <= defaultAnswers; i++) {
newLi = document.createElement("li");
newLi.id = "li" + i;
var newInput;
try
{
  newInput = document.createElement("<input type='file' name='obr[]'>");
}
catch(e)
{
  newInput = document.createElement("input");
  newInput.type = "file";
  newInput.name = "obr[]";
}
newLi.appendChild(newInput);
newUl.appendChild(newLi);
}
document.getElementById(e).appendChild(newUl);
}
function Length_Check(){
  if(500 - document.forms.formatovani.body.value.length<0)
    document.forms.formatovani.zbytek.value = "překročeno";
  else
    document.forms.formatovani.zbytek.value = 500 - document.forms.formatovani.body.value.length;
  }
      function markAllRows( container_id ) {
          var rows = document.getElementById(container_id).elements['id[]'];
          var checkbox;
          for ( var i = 0; i < rows.length; i++ ) {
            checkbox = rows[i];
            if (checkbox.type == 'checkbox' ) {
              checkbox.checked = !checkbox.checked;
            }
          }
          return true;
          
      }
         function markAllRows2( container_id ) {
          var rows = document.getElementById(container_id).elements['id_delete[]'];
          var checkbox;
          for ( var i = 0; i < rows.length; i++ ) {
            checkbox = rows[i];
            if (checkbox.type == 'checkbox' ) {
              checkbox.checked = !checkbox.checked;
            }
          }
          return true;
      }
	
	
	      function markAllRows( container_id ) {
          var rows = document.getElementById(container_id).elements['  id_pr[]'];
          var checkbox;
          for ( var i = 0; i < rows.length; i++ ) {
            checkbox = rows[i];
            if (checkbox.type == 'checkbox' ) {
              checkbox.checked = !checkbox.checked;
            }
          }
          return true;
          
      }