function pokaz_miasto()
{
        var tekst = '<input type="text" class="input_d_o_sp" name="lokalizacja_miasto" value="" /> <label class="label_d_o_sp">Miasto (wybierz miasto):</label>';
        var tekst2 = '<input type="text" class="input_d_o_sp" name="lokalizacja_miasto" value="" /> <label class="label_d_o_sp">Wybierz dzielnicę (np. Stratford):</label>';
        var tmp = document.getElementById('dodaj_miasto');
        var t = document.getElementById('lokalizacja');
        
        switch( t.value )
        {
             case '02':
             case '03':
             case '04':
             case '05':
             case '06':
             case '07':
             case '08':
             case '09':
             case '10':
             case '11':
             case '12':
             case '13':
             case '14':
                      tmp.innerHTML = tekst;
                      break;
	     case '01':
                      tmp.innerHTML = tekst2;
                      break
             default:
                      tmp.innerHTML = '';
                      break;
        }


}


function wyslij_znajomemu(email)
{
	if ( check_email(email) == true)
	{
		var adres = 'class/ajax.php?ac=wyslij_znajomemu&mode='+email;
		var tmp;
		makeRequest(adres,tmp);
		alert('E-mail został wysłany na podany adres');
	}
	else
		alert('Niepoprawny adres email');

	return false;
}


function change_search(E,n)
{
	var tmp, tmp2;
	tmp = document.getElementById('search1');
	tmp2 = document.getElementById('search_li_1');
	tmp2.className='li_sp';
	tmp2 = document.getElementById('search_li_2');
	tmp2.className='li_dp';
	tmp2 = document.getElementById('search_li_3');
	tmp2.className='li_sm';
	tmp2 = document.getElementById('search_li_4');
	tmp2.className='li_wm';
	tmp2 = document.getElementById('search_li_5');
	tmp2.className='li_ku';
	tmp2 = document.getElementById('search_li_6');
	tmp2.className='li_sr';
	tmp2 = document.getElementById('search_li_7');
	tmp2.className='li_us';
	tmp2 = document.getElementById('search_li_8');
	tmp2.className='li_to';

	var loader = '<li class="li_form_zp">&nbsp;</li>'+
				  '<li class="li_form_wm"></li>'+
				  '<li class="li_form_wb" style="padding-top:3px;text-align:right;"><img src="gfx/ajax-loader.gif" alt="ajax loader"/></li>'+
				  '<li class="li_form_sw"></li><li class="li_form_bt"></li>'+
				  '<li class="li_form_end">&nbsp;</li>';

	switch(n)
	{
		case 1:
				tmp.innerHTML = loader;
				makeRequest('class/ajax.php?ac=szukampracy',tmp);
				E.className='li_sp_active';
				break;
		case 2:
				tmp.innerHTML = loader;
				makeRequest('class/ajax.php?ac=damprace',tmp);
				E.className='li_dp_active';
				break;
		case 3:
				tmp.innerHTML = loader;
				makeRequest('class/ajax.php?ac=szukammieszkania',tmp);
				E.className='li_sm_active';
				break;
		case 4:
				tmp.innerHTML = loader;
				makeRequest('class/ajax.php?ac=wynajmemieszkanie',tmp);
				E.className='li_wm_active';
				break;
		case 5:
				tmp.innerHTML = loader;
				makeRequest('class/ajax.php?ac=kupie',tmp);
				E.className='li_ku_active';
				break;
		case 6:
				tmp.innerHTML = loader;
				makeRequest('class/ajax.php?ac=sprzedam',tmp);
				E.className='li_sr_active';
				break;
		case 7:
				tmp.innerHTML = loader;
				makeRequest('class/ajax.php?ac=uslugi',tmp);
				E.className='li_us_active';
				break;
		case 8:
				tmp.innerHTML = loader;
				makeRequest('class/ajax.php?ac=sprzedam2',tmp);
				E.className='li_to_active';
				break;
	}

}



    function makeRequest(url,E) {

        http_request = false;
        var arr='';

        if (window.XMLHttpRequest) { // Mozilla, Safari,...
            http_request = new XMLHttpRequest();
            if (http_request.overrideMimeType) {
                http_request.overrideMimeType('text/xml');
                // Przeczytaj o tym wierszu ponizej
            }
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }

        if (!http_request) {
            alert('Poddaje sie :( Nie moge stworzyc instancji obiektu XMLHTTP');
            return false;
        }
        http_request.onreadystatechange = function() { alertContents(http_request,E); };

        http_request.open('GET', url, true);
        http_request.send(null);
    }

    function alertContents(http_request,E) {

        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
//                alert("wszystko ok");//http_request.responseText);
                 E.innerHTML = http_request.responseText;
            } else {
                alert('Wystapil problem z zapytaniem.');
            }
        }

    }

function dodaj_ulubione()
{
	var tytul = 'Kurs24';
	var adres = 'http://kurs24.pl';
	//FireFox
	if (window.sidebar)
	{
		window.sidebar.addPanel(tytul, adres, "");
	}
		//IE
	else if (window.external)
	        {
	        	window.external.AddFavorite(adres, tytul);
	        }
	        	//Opera
	        	else if (window.opera && window.print)
	        		{
	        		 	var a = document.createElement('a');
	        		 	a.setAttribute('href', adres);
	        		 	a.setAttribute('title', tytul);
	        		 	a.setAttribute('rel','sidebar');
	        		 	a.click();
	        		 }
}

	function form_link()
	{
		var E = document.getElementsByTagName('form');

		for (i=0; i<E.length; i++)
		{
			if (E[i].onsubmit == undefined)
			E[i].onsubmit = function(){
										map_link(this);
										return false;
									  }
		}
	}

	function map_link(E)
	{

		var ac,mode,id,liczba;
		ac = E.ac.value;
		mode = E.mode.value;
		id = E.id.value;

		if (E.liczba != undefined)
			liczba = E.liczba.value;
		else liczba = '10';


		//mode = mode.replace(/ /gi, "+"); // zastapienie spacji znakiem +
		//page = page.replace(/ /gi, "+"); // zastapienie spacji znakiem +

		var url = ac+'/'+mode+'/'+id+'/'+liczba;

		window.location = 'http://www.ogloszenia.londyn24.pl/'+url;
	}

function check_email(adres){
  if (adres != "") {
    var re = new RegExp("[^@]{1,}[@]{1}[^@.]{1,}[.]{1}[^@]{1,}","gi");
    var wynik = re.test(adres);
    if (wynik == true) {
      return true;
    }
    if (wynik == false) {
      return false;
    }
  }else{
    return false;
   };
}


function zmianaZakresu(nr)
{
  var zakresy1 = document.getElementById('zakresy1');
  var zakresy2 = document.getElementById('zakresy2');

  if(nr == '1')
  {
      document.location.href = zakresy1.value;
  }
  if(nr == '2')
  {
      document.location.href = zakresy2.value; 
  }
}

function zmianaIlosci(nr)
{
  var ilosc1 = document.getElementById('ilosc1');
  var ilosc2 = document.getElementById('ilosc2');

  if(nr == '1')
  {
      document.location.href = ilosc1.value;
  }
  if(nr == '2')
  {
      document.location.href = ilosc2.value; 
  }
}