function Otevri_popup(sirka, vyska) {
msg = window.open('content/popup.php', 'nove_okno', 'toolbar=no,menubar=no,location=no,directories=no, scrollbars=no,resizable=yes,status=no,width='+sirka+',height='+vyska+',top=50,left=50')
//Pozor, definice prom?nné msg musí být napsána na jednom ?ádku!
}

function image_preview(imageurl, width, height, previewfile) {
msg = window.open('templates/'+previewfile+'?image_path='+imageurl, 'image', 'toolbar=no,menubar=no,location=no,directories=no, scrollbars=no,resizable=yes,status=no,width='+width+',height='+height+',top=50,left=50')
//Pozor, definice proměnné msg musí být napsána na jednom řádku!
}

function runList(limit,from) {
        document.getElementById('from').value = from;
        document.getElementById('limit').value = limit;
        var oForm = document.getElementById('formular');
        oForm.submit();
}

function setCheckboxes(the_form, do_check)
{
    var elts      = (typeof(document.forms[the_form].elements['check[]']) != 'undefined')
                  ? document.forms[the_form].elements['check[]']
                  : document.forms[the_form].elements['check[]'];
    var elts_cnt  = (typeof(elts.length) != 'undefined')
                  ? elts.length
                  : 0;

    if (elts_cnt) {
        for (var i = 0; i < elts_cnt; i++) {
            elts[i].checked = do_check;
        } // end for
    } else {
        elts.checked        = do_check;
    } // end if... else

    return true;
}

function rozbal_menu(nov_str,img)
{
    z = nov_str;
    x = document.getElementById(z).style.display;
    y = 'none';
        document.getElementById(img).src = "images//plus.gif";

    if (x == 'none') {
      document.getElementById(img).src = "images//minus.gif";
      y = 'inline';
    }
    document.getElementById(z).style.display = y;

}

function nastav_homepage(link) {
    document.body.style.behavior='url(#default#homepage)';
    document.body.setHomePage(link);
}



function setFormAction(objForm, strAction){
  objForm.action=strAction;
  objForm.submit();
}




function setFormTargetAction(objForm, strTarget, strAction){
  objForm.action=strAction;
  objForm.target=strTarget;
  objForm.submit();
}

function getFormAction(objForm){
  return objForm.action;
}

function getFormTarget(objForm){
  return objForm.target;
}

function changeFormTargetAction(objForm, strTarget, strAction){
  objForm.action=strAction;
  objForm.target=strTarget;
}


function updateFormAction(objForm, strAction){
  if (objForm.action == ''){
    var str_and = "";
  } else {
    var str_and = "&"
  }

  objForm.action = objForm.action + str_and + strAction;
  objForm.submit();
}




function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}