var IE= null;
var ua = navigator.appName.toLowerCase();
if (ua.indexOf('explorer')>-1 && document.getElementById && document.childNodes) {
  IE=true;
}

function PositionInfo(strText,oX,oY) {
  document.getElementById('StateInfo3').innerHTML = strText;
  document.getElementById('StateInfo2').innerHTML = "probíhá připojování...";
  var x = oX;
  if (IE) {
    var e = event.srcElement;
    var y = 0;
    while (typeof e=='object' && e.tagName!='BODY') {
      y += e.offsetTop;
      e = e.offsetParent;
    }
  } else {
    var y = oY + document.body.scrollTop;
  }
  document.getElementById('StateInfo1').style.top = y-20;
  document.getElementById('StateInfo1').style.left = x-document.getElementById('StateInfo1').width-7;
}

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) { //v4.0
  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 && document.getElementById) x=document.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];}
}

function frm_search_submit(min_chars,alert_message) {
  if (document.frm_search.txt_search.value.length >= min_chars) {
    document.frm_search.submit();
  } else {
    alert(alert_message+' '+min_chars);
  }
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function check_czech_cash() { // zkontroluje formularove hodnoty ceske pokladny
  if (Trim(document.purchased_form.txt_jmeno_f.value).length &&
      Trim(document.purchased_form.txt_prijmeni_f.value).length>1 &&
      Trim(document.purchased_form.txt_ulice_f.value).length>3 &&
      Trim(document.purchased_form.txt_mesto_f.value).length>1 &&
      Trim(document.purchased_form.txt_psc_f.value).length>=5 &&
      Trim(document.purchased_form.txt_email.value).length>=6 && document.purchased_form.txt_email.value.indexOf('@')!=-1 &&
      Trim(document.purchased_form.txt_telefon.value).length) {
    document.purchased_form.submit();
  } else {
    alert("Nesprávně vyplněné hodnoty!\nPoložky označené * jsou povinné.");
  }
}

function check_czech_register_form(with_warning) { // zkontroluje formularove hodnoty ceskeho formulare pro registraci uzivatelu
  if (Trim(document.register_form.txt_jmeno.value).length &&
      Trim(document.register_form.txt_prijmeni.value).length &&
      Trim(document.register_form.txt_ulice.value).length &&
      Trim(document.register_form.txt_mesto.value).length &&
      Trim(document.register_form.txt_psc.value).length>=5 &&
      Trim(document.register_form.txt_email.value).length>=6 && document.register_form.txt_email.value.indexOf('@')!=-1 &&
      Trim(document.register_form.txt_telefon.value).length &&
      // document.register_form.sel_vek.value!=0 &&
      // document.register_form.sel_pohlavi.value!=0 &&
      // document.register_form.sel_pojistovna.value!=0 &&
      Trim(document.register_form.txt_login.value).length &&
      Trim(document.register_form.txt_heslo1.value).length &&
      document.register_form.txt_heslo1.value==document.register_form.txt_heslo2.value) {
    if (with_warning) {
      if (confirm("Souhlasím s umístěním mých údajů do databáze klientů obchodu (viz zákon 101 o osobních údajích).\n" +
                  "Údaje jsou využívány pouze pro potřeby provozovatele a nejsou poskytovány jinému subjektu."))
        document.register_form.submit();
    } else document.register_form.submit();
  } else {
    alert("Nesprávně vyplněné hodnoty!\nPoložky označené * jsou povinné a obě zadaná hesla musejí být stejná.");
  }
}

function opravdu_platit_prevodem() {
  if (document.purchased_form.rad_platba[1].checked) {
    alert ("Zvolili jste platbu převodem z účtu / You have selected a payment by bank transfer.\nZboží bude distribuováno po uhrazení objednávky.");
  }
  if (document.purchased_form.rad_platba[2].checked) {
    alert ("Zvolili jste platbu bankovní kartou / You have selected a payment by a credit card.\nPo uložení objednávky do databáze budete vyzváni k autorizaci platby v systému 3D-Secure České spořitelny.");
  }
/*
  if (document.purchased_form.sel_platba.value==2) {
    alert ("Zvolili jste platbu převodem z účtu. Zboží bude distribuováno po uhrazení objednávky.");
  }
*/
}

function platba_kartou_pouze_v_cr() {
  if (document.purchased_form.sel_stat.value!=0) {
    document.purchased_form.rad_platba[0].disabled = true;
    if (document.purchased_form.rad_platba[0].checked) {
      document.purchased_form.rad_platba[1].checked = true;
    }
    // alert('Nemuzes platit kartou - napred ti vypocitame distribucni naklady a pak ti napisem link,\nkde budes moct autorizovat kartu a zaplatit.');
  } else {
    document.purchased_form.rad_platba[0].disabled = false;
  }
}

// -------------------------------------------------------------------------------------------------------------------------

/*
==================================================================
LTrim(string) : Returns a copy of a string without leading spaces.
==================================================================
*/
function LTrim(str)
/*
   PURPOSE: Remove leading blanks from our string.
   IN: str - the string we want to LTrim
*/
{
   var whitespace = new String(" \t\n\r");

   var s = new String(str);

   if (whitespace.indexOf(s.charAt(0)) != -1) {
      // We have a string with leading blank(s)...

      var j=0, i = s.length;

      // Iterate from the far left of string until we
      // don't have any more whitespace...
      while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
         j++;

      // Get the substring from the first non-whitespace
      // character to the end of the string...
      s = s.substring(j, i);
   }
   return s;
}

/*
==================================================================
RTrim(string) : Returns a copy of a string without trailing spaces.
==================================================================
*/
function RTrim(str)
/*
   PURPOSE: Remove trailing blanks from our string.
   IN: str - the string we want to RTrim

*/
{
   // We don't want to trip JUST spaces, but also tabs,
   // line feeds, etc.  Add anything else you want to
   // "trim" here in Whitespace
   var whitespace = new String(" \t\n\r");

   var s = new String(str);

   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
      // We have a string with trailing blank(s)...

      var i = s.length - 1;       // Get length of string

      // Iterate from the far right of string until we
      // don't have any more whitespace...
      while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
         i--;


      // Get the substring from the front of the string to
      // where the last non-whitespace character is...
      s = s.substring(0, i+1);
   }

   return s;
}

/*
=============================================================
Trim(string) : Returns a copy of a string without leading or trailing spaces
=============================================================
*/
function Trim(str)
/*
   PURPOSE: Remove trailing and leading blanks from our string.
   IN: str - the string we want to Trim

   RETVAL: A Trimmed string!
*/
{
   return RTrim(LTrim(str));
}

// -------------------------------------------------------------------------------------------------------------------------