function kontrola(forr){

 if (forr.flogin.value=="") {
     alert ('Musíte zadat přihlašovací jméno.');
     forr.flogin.focus();
     return false;
 }
 else if (forr.fheslo.value=="") {
     alert ('Musíte zadat heslo.');
     forr.fheslo.focus();
     return false;
 }
 else if (forr.fheslo.value!=forr.fheslo2.value) {
     alert ('Hesla musí být stejná.');
     forr.fheslo.focus();
     return false;
 }
 else if (forr.fjmeno.value=="") {
     alert ('Musíte zadat své jméno.');
     forr.fjmeno.focus();
     return false;
 }
 else if (forr.fprijmeni.value=="") {
     alert ('Musíte zadat své příjmení.');
     forr.fprijmeni.focus();
     return false;
 }
 else if (forr.fulice.value=="") {
     alert ('Musíte zadat ulici.');
     forr.fulice.focus();
     return false;
 }
 else if (forr.fmesto.value=="") {
     alert ('Musíte zadat město.');
     forr.fmesto.focus();
     return false;
 }
 else if (forr.fpsc.value=="") {
     alert ('Musíte zadat psč.');
     forr.fpsc.focus();
     return false;
 }
  else if (forr.ftelefon.value=="") {
     alert ('Musíte zadat telefon.');
     forr.ftelefon.focus();
     return false;
 }
  else if (forr.femail.value=="") {
     alert ('Musíte zadat e-mail.');
     forr.femail.focus();
     return false;
 }
  else if (forr.fwww.value=="") {
     alert ('Musíte zadat www.');
     forr.fwww.focus();
     return false;
 }

 return true;
}

fott='';

function rezoom(nadid,sekceid,id,lng)
{
 temp_fot="";  
 if (fott!="") temp_fot='&fot='+fott;
 temp='./index.php?a=zoom&nadid='+nadid+'&sekceid='+sekceid+'&id='+id+lng+temp_fot;
 location.replace(temp);
 return false;
}

function toggle(img,fotka,ii,fot)
      {
        if (document.getElementById("fot1")) document.getElementById("fot1").src='getimg.php?a=mininahled&fot=1&id='+ii;
        if (document.getElementById("fot2")) document.getElementById("fot2").src='getimg.php?a=mininahled&fot=2&id='+ii;
        if (document.getElementById("fot3")) document.getElementById("fot3").src='getimg.php?a=mininahled&fot=3&id='+ii;
        if (document.getElementById("fot4")) document.getElementById("fot4").src='getimg.php?a=mininahled&fot=4&id='+ii;

        if (fott!=fot)
          {
            fotka.src='getimg.php?a=mininahled&id='+ii;
            fott=fot;
          }
        else fott="";

        temp_fot="";
        if (fott!="") temp_fot='&fot='+fott;
        
        img.src='getimg.php?a=detail&id='+ii+temp_fot;

        return false;
      }

function toggle2(img,fotka,ii,fot)
      {
        if (document.getElementById("fot1")) document.getElementById("fot1").src='getimg.php?a=mininahled&fot=1&id='+ii;
        if (document.getElementById("fot2")) document.getElementById("fot2").src='getimg.php?a=mininahled&fot=2&id='+ii;
        if (document.getElementById("fot3")) document.getElementById("fot3").src='getimg.php?a=mininahled&fot=3&id='+ii;
        if (document.getElementById("fot4")) document.getElementById("fot4").src='getimg.php?a=mininahled&fot=4&id='+ii;

        if (fott!=fot)
          {
            fotka.src='getimg.php?a=mininahled&fot=&id='+ii;
            fott=fot;
          }
        else fott="";

        temp_fot="";
        if (fott!="") temp_fot='&fot='+fott;
        img.src='getimg.php?a=zoom&id='+ii+temp_fot;

        return false;
      }



function showsubmenu(submenuid,poc)
{

for (h1=1;h1<=poc;h1++)
{
   o=document.getElementById("sub"+h1);
   o2=document.getElementById("suba"+h1);
  if (h1!=submenuid)
    {
    o.style.visibility="hidden";
    o.style.position="absolute";
    o.style.left="0px";
    o.style.top="0px";
    o.style.width="0px";
    o.style.height="0px";
//    o2.style.class="podmenua";
    }
  else
    {
    o.style.visibility="";
    o.style.position="";
    o.style.left="";
    o.style.top="";
    o.style.width="";
    o.style.height="";
//    o2.style.class="podmenu";
    }
   }
 }



function trim(inputString)
{
if (typeof inputString != "string") return inputString;
var retValue = inputString;
var ch = retValue.substring(0, 1);
while (ch == " ")
  {
  retValue = retValue.substring(1, retValue.length);
  ch = retValue.substring(0, 1);
  }
ch = retValue.substring(retValue.length - 1, retValue.length);
while (ch == " ")
  {
  retValue = retValue.substring(0, retValue.length - 1);
  ch = retValue.substring(retValue.length - 1, retValue.length);
  }
while (retValue.indexOf("  ") != -1)
  retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ") + 1, retValue.length);
return retValue;
}

function set_cookie ( name, value, exp_seconds, path, domain, secure )
{
  var cookie_string = name + "=" + escape ( value );

  if ( exp_seconds )
  {
    var expires = new Date ();
    ex=expires.valueOf()+exp_seconds*1000;
    expires = new Date (ex);
    cookie_string += "; expires=" + expires.toGMTString();
  }

  if ( path )
        cookie_string += "; path=" + escape ( path );

  if ( domain )
        cookie_string += "; domain=" + escape ( domain );

  if ( secure )
        cookie_string += "; secure";

  document.cookie = cookie_string;
}
function delete_cookie ( cookie_name )
{
  var cookie_date = new Date ( );  // current date & time
  cookie_date.setTime ( cookie_date.getTime() - 1 );
  document.cookie = cookie_name += "=; expires=" + cookie_date.toGMTString();
}
function get_cookie ( cookie_name )
{
  var results = document.cookie.match ( cookie_name + '=(.*?)(;|$)' );

  if ( results )
    return ( unescape ( results[1] ) );
  else
    return null;
}

function xx_switch_lang(xlang)
{
set_cookie("lang", xlang, 86400*30);
window.location=window.location;
}


var definfoboxtext="";
var iboxfocused=false;

function iboxsend()
{
if (!iboxfocused)
  iboxfocus()
else
  {
  o=document.forms["infoboxform"];
  if (o)
    o.submit();
  }
}
function iboxfocus()
{
m=document.getElementById("defmail");
o=document.getElementById("infobox");
if ((o) && (!iboxfocused))
  {
  o.style.cursor="text";
  o.title=_infobox_hint;
  iboxfocused=true;
  definfoboxtext=o.value;
  xx=_infobox_inside;
  if (m)
    xx+=m.value;
  o.value=xx;
  o.focus();
  }
}
function resetInfobox()
{
o=document.getElementById("infobox");
if ((o) && (iboxfocused))
  {
  iboxfocused=false;
  o.value=definfoboxtext;
  }
}

function xzoom(a,xid)
{

window.open("getimage.php?a="+a+"&id="+xid,"_blank","width=300px,height=300px");

}