// submit formulare
function form_submit(){
  document.getElementById('frmMain').submit();
}

// serazeni listview
function listview_header_click($column){
  if ((document.getElementById("order").value==$column) || (document.getElementById("order").value=="")){
    if (document.getElementById("direction").value==""){
      document.getElementById("direction").value = "desc";
    }
    else{
      document.getElementById("direction").value = "";
    }
  }
  document.getElementById("order").value = $column;
  form_submit();
}

function getexpirydate(nodays){
 var UTCstring;
 Today = new Date();
 nomilli=Date.parse(Today);
 Today.setTime(nomilli+nodays*24*60*60*1000);
 GMTString = Today.toGMTString();
 return GMTString;
}

function setcookie(name,value,duration){
 document.cookie = 
  name+"="+escape(value)+
  ";expires="+getexpirydate(duration)+
  ";path=/";
}

function getcookie(name) {
  var najdi;

  najdi = name + "=";
  offset = document.cookie.indexOf(najdi);
  if (offset != -1) {
    offset += najdi.length ;
    konec = document.cookie.indexOf(";", offset) ;
    if (konec == -1)
      konec = document.cookie.length;
    return unescape(document.cookie.substring(offset, konec));
  }
  else
    return "";
}