function poprawnyAdres(emailAdr)
     {zleZnaki = "/:,;"
     if (emailAdr == "")
      {return false}

     for (i=0; i<zleZnaki.length; i++)
     {zlyZnak=zleZnaki.charAt(i)
     if (emailAdr.indexOf(zlyZnak,0) != -1)
      {return false}
     }

     malpaPoz=emailAdr.indexOf("@",0)
     if (malpaPoz == -1 || malpaPoz == 0)
      {return false}

     if (emailAdr.indexOf("@",malpaPoz+1) != -1)
      {return false}

     kropkaPoz = emailAdr.indexOf(".",malpaPoz)
     if (kropkaPoz == -1 || kropkaPoz == malpaPoz+1)
      {return false}

     if (kropkaPoz+3 > emailAdr.length)
      {return false}

     return true
}



/* prealad images */

var count_images = 0
var images_src = []

function preload_images(pliki) {
	for (i = 0; i < pliki.length; i++) {
		count_images++
		images_src[count_images] = new Image()
		images_src[count_images].src = pliki[i]
	}	
}

/* prealad images stop */


//Based on mosThumb.js from mosThumb Mambot by Manfred Dennerlein
//Creates popup window for thumbnail

function thumbPopup(mypage, myname, w, h, caption) {
        if (caption == 'true'){
            caption_name = myname;
        }else{
            caption_name = "";
        }
        var props = '';
        var orig_w = w;
        var scroll = '';
        var winl = (screen.availWidth - w) / 2;
        var wint = (screen.availHeight - h) / 2;
        if (winl < 0) { winl = 0; w = screen.availWidth -6; scroll = 1;}
        if (wint < 0) { wint = 0; h = screen.availHeight - 32; scroll = 1;}
        winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=no'
        win = window.open('', 'myThumb', winprops)
        win.document.open();
        win.document.write('<html><head>');
        win.document.write('<scr' + 'ipt type="text/javascr' + 'ipt" language="JavaScr' + 'ipt">');
        win.document.write('</scr' + 'ipt>');
        win.document.write('<title>'+myname+'</title></head>');
        win.document.write('<body leftmargin="0" topmargin="0" marginheight="0" marginwidth="0">');
        win.document.write('<img src="'+mypage+'" border="0" alt="Zamknij okno" onclick="window.close()" style="cursor:pointer">');
        win.document.write('<br />');
        win.document.write('<div align="middle">'+caption_name+'</div>');
        win.document.write('</body></html>');

        win.document.close();
        if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }

}