function sprawdz_form()
 {
	ok = true;
	
	var form = document.form;

	if(form.name.value == "") {document.getElementById('name_err').innerHTML = "wypełnij pole"; ok = false;}
	else document.getElementById('name_err').innerHTML = "";

	if(form.tel.value == "") {document.getElementById('tel_err').innerHTML = "wypełnij pole"; ok = false;}
	else document.getElementById('tel_err').innerHTML = "";
	
	if(form.email.value == "") {document.getElementById('email_err').innerHTML = "wypełnij pole"; ok = false;}
	else document.getElementById('email_err').innerHTML = "";
	return ok;

 }



  function invi(flag)
  {
    var attrib = (flag) ? 'hidden' : 'visible';
    if (document.getElementById) //IE5 lub NN6
    {
      document.getElementById("menu_sub").style.visibility = attrib;
    }
    else if (document.layers) //NN4
    {
      var attrib = (flag) ? 'hide' : 'show';
      document.layers["menu_sub"].visibility = attrib;
    }
  }



function getElementsByClassName(className)
{
  var arr = new Array(); 
  var els = document.getElementsByTagName("*");
  var exp= new RegExp("^(.* )?"+className+"( .*)?$", "g");
  
  for (var i = 0; i < els.length; ++i )
		if (exp.test(els[i].className)) arr.push(els[i]);  
 
  return arr;
}


function show(id)
{ 
            obj = document.getElementById(id);
            obj.style.display = "block";   
}
		
		
function hide(id) 
{
            obj = document.getElementById(id);
            obj.style.display = "none";         
}


function showHide(id)
 {
        
            obj = document.getElementById(id);
            obj.style.display = (obj.style.display == "block" ? "none" : "block");
 }
 
 
 
   function pokaz_flash(name, w, h)
  {
		document.write('<object  style="z-index:-1;" type="application/x-shockwave-flash"\n');
		document.write(' data="'+name+'" width="'+w+'" height="'+h+'">\n');
		document.write('<param name="movie" value="'+name+'" />\n');
		document.write('<param name="wmode" value="transparent" />\n');
		document.write('</object>\n');
  }
  

  
  function flash_bez_transparenu(name, w, h)
  {
		document.write('<object  style="z-index:-1;" type="application/x-shockwave-flash"\n');
		document.write(' data="'+name+'" width="'+w+'" height="'+h+'">\n');
		document.write('<param name="movie" value="'+name+'" />\n');
		document.write('</object>\n');
  }
 
 
// Script Source: CodeLifter.com
// Copyright 2003
// Do not remove this notice.

// SETUPS:
// ===============================

// Set the horizontal and vertical position for the popup

PositionX = 100;
PositionY = 100;

// Set these value approximately 20 pixels greater than the
// size of the largest image to be used (needed for Netscape)

defaultWidth  = 500;
defaultHeight = 500;

// Set autoclose true to have the window close automatically
// Set autoclose false to allow multiple popup windows

var AutoClose = true;

// Do not edit below this line...
// ================================
if (parseInt(navigator.appVersion.charAt(0))>=4){
var isNN=(navigator.appName=="Netscape")?1:0;
var isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}
var optNN='scrollbars=no,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY;
var optIE='scrollbars=no,width=150,height=100,left='+PositionX+',top='+PositionY;
function popImage(imageURL,imageTitle){
if (isNN){imgWin=window.open('about:blank','',optNN);}
if (isIE){imgWin=window.open('about:blank','',optIE);}
with (imgWin.document){
writeln('<html><head><title>Loading...</title><style>body{margin:0px;}</style>');writeln('<sc'+'ript>');
writeln('var isNN,isIE;');writeln('if (parseInt(navigator.appVersion.charAt(0))>=4){');
writeln('isNN=(navigator.appName=="Netscape")?1:0;');writeln('isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}');
writeln('function reSizeToImage(){');writeln('if (isIE){');writeln('window.resizeTo(100,100);');
writeln('width=100-(document.body.clientWidth-document.images[0].width);');
writeln('height=100-(document.body.clientHeight-document.images[0].height);');
writeln('window.resizeTo(width,height);}');writeln('if (isNN){');       
writeln('window.innerWidth=document.images["George"].width;');writeln('window.innerHeight=document.images["George"].height;}}');
writeln('function doTitle(){document.title="'+imageTitle+'";}');writeln('</sc'+'ript>');
if (!AutoClose) writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()">')
else writeln('</head><body bgcolor=ffffff scroll="no" onload="reSizeToImage();doTitle();self.focus()" onblur="self.close()">');
writeln('<img name="George" src='+imageURL+' onclick="window.close();" style="display:block"></body></html>');
close();		
}}
 
 
 
 
 