var retObj = "";

// prime submitnuti formu
function submitForm( formName ) {
 document[formName].submit();
}

// zmena stranek +- jedna
function fnc_page( pageNumber ) {
 document.frm_submit.page.value = pageNumber;
 document.frm_submit.submit();
}

// submitnuti na klavesu enter
function fnc_test_key( formname, object, event ) {
 if ( event.keyCode == 13 ) {
  if ( (object.name != "page") && document[formname].page ) document[formname].page.value = "1";
  document[formname].submit();
 }
}

function fnc_editdel( id, action ) {
 document.frm_editdel.id.value = id;
 document.frm_editdel.action.value = action;
 document.frm_editdel.submit();
}


//******************************************************************************
function changepic(index, pocet) {
  document.images['hlavicka'].src = img[index];
  var index2 = parseInt(index) + 1; if (index2>pocet) index2 = 0;
  setTimeout("changepic("+index2+","+pocet+");",10000);
}

//******************************************************************************

function fnc_view_dir( name, element ) {
 retObj = name;
 el = element;
 window.open('incl/adm_view_dir.php', 'view_dir','width=700px; height=600px;');
}

function fnc_change_text( element ){
  if (element == "IMG_EL") {
   document.all.element_text.value = "<img src='resized/TMP/" + document.all.element_text.value.replace(" ","#@#") + "_660'>"; 
  }
  if (element == "AHREF") {
   document.all.element_text.value = "<a href='Zde vložte URL'>Zde vložte text odkazu</a>";
  }
  if (element == "BOLD") {
   document.all.element_text.value = "<B>Zde vložte text, který má být tučný</B>";
  }
  if (element == "ITALIC") {
   document.all.element_text.value = "<I>Zde vložte text, který má být kurzívou</I>";
  }
  
}

//******************************************************************************

//
// funkce volana na udalost kliknuti v dokumentu
function fnc_klik(obj){
 // zjisteni skupiny prohlizece
 var brw=jakyBrw();
 //
 // pri stisku na tlacitko ma prednost udalost tlacitka
 if (brw=="SK1"||brw=="SK2"||brw=="SK3") 
      if(event.srcElement.tagName=="INPUT" || 
         event.srcElement.tagName=="TEXTAREA" ||
         event.srcElement.tagName=="BUTTON" ||
         event.srcElement.tagName=="SELECT" ||
         event.srcElement.tagName=="A" ) return;
 if (brw=="SK4") 
      if (obj.target.nodeName == "INPUT" || 
          obj.target.nodeName == "TEXTAREA" ||
          obj.target.nodeName == "BUTTON" ||
          obj.target.nodeName == "SELECT",
          obj.target.nodeName == "A" ) return;
 //
 // zjiste stisknuti SHIFTU
 var smer=jakySmer(brw, obj);
 if (smer=="NONSHIFT"||smer=="NEDEF") fnc_dalsi(brw);
 if (smer=="SHIFT") fnc_pred(brw);
}

// zjisteni skupiny prohlizece
function jakyBrw(){
 if (navigator.userAgent.indexOf("Opera") != -1) return "SK1";
 if (document.all && !document.getElementById) return "SK2";
 if (document.all && document.getElementById) return "SK3";
 if (document.getElementById && !document.all) return "SK4";
 return "nedef";
}

// zjisteni zda je stisknut shift pri kliknuti
function jakySmer(brw, obj){
  if (brw=="SK1"||brw=="SK3") if (event.shiftKey) return "SHIFT"; else return "NONSHIFT";
  if (brw=="SK4") if (obj.shiftKey) return "SHIFT"; else return "NONSHIFT";
  return "NEDEF";
}

// prechod na dalsi fotografii
function fnc_dalsi(brw) {
   if (!brw) brw = jakyBrw();
   if (brw=="SK1"||brw=="SK2"||brw=="SK3") frm_next.submit();
   if (brw=="SK4") document.frm_next.submit();
}

// prechod na predchozi fotografii
function fnc_pred(brw) {
   if (!brw) brw = jakyBrw();
   if (brw=="SK1"||brw=="SK2"||brw=="SK3") frm_prev.submit();
   if (brw=="SK4") document.frm_prev.submit();
}