function my_set_innerHTML(obj,text){
  var el=document.getElementById(obj);
  el.innerHTML = text;  
}

var sb_button=0;
function my_submit(id) {
  var obj = document.getElementById(id);
  if(sb_button==0) {
    sb_button=1;
    obj.submit();
  }
}

function my_pict(url,w,h) {
  popup('pop_pict.php?i='+url,'foto',"width="+h+",height="+h+",scrollbars=yes,resizable=yes,status=yes");
} 
var active="none";

function my_login() {
  my_hideshow('ext_login');
  if(active=='ext_login') {
    document.extlogin.lo_email.focus();
  }
}

function my_hide() {
  if(active == "none") return;
  var obj = document.getElementById(active);
  obj.style.display='none'; 
  active="none";
}
function my_hideshow(id) {
  if(active==id) {
    my_hide();
    return;
  } else {
    my_hide();
    if(id != "none"){
      var obj = document.getElementById(id);
      var mode='';
      if(obj.style.display=='' || obj.style.display=='none') mode='block'; else mode='none';
      obj.style.display=mode;
    }
    active=id;
  }
}
function bookmarkit(url,nazwa){
  window.external.addFavorite("http://"+url,nazwa);
}

function m_validate(mode, obj,txt) {
  var ret=true;
  var err='';
  if(obj.fo_imie.value=='' || obj.fo_nazwisko.value=='' || obj.fo_email.value=='' ||
    obj.fo_telefon_2.value=='' || obj.fo_tresc.value==''){
    ret=false;
  }
  
  if(mode=='rezerwacja' && (
    obj.fo_od.value=='' || obj.fo_do.value=='')) {
    ret=false;
  }
  if(mode=='kontakt' && (
    obj.fo_temat.value=='')) {
    ret=false;
  }
  if(!ret) alert(txt);
  return ret;
}