function pokaz(id,n)
{
  var akapit = document.getElementById("woj_" + id);
  var view = akapit.style.display;
  if (view == "block")
  {
    akapit.style.display = "none";
    for (var i=1; i<=n; i++)
	  {
	  	if (i != id) 
	  	{
	  		var link1 = document.getElementById("link_" + i);
	  		//alert(link1.style.display);
	  		link1.style.display = "block";
	  	}
	  }
  }
  if (view == "none")
  {
    akapit.style.display = "block";
    
	  for (var j=1; j<=n; j++)
	  {
	  	if (j != id) 
	  	{
	  		var link = document.getElementById("link_" + j);
	  		link.style.display = "none";
	  	}
	  }
  }
}

function updateCena(el,kw)
{
	var cena = document.getElementById("cena");
	cena.innerHTML = el.value * kw;
}

function pokazDiv(id)
{
	var diw = document.getElementById(id);
	var mx = document.documentElement.clientWidth;
	var my = document.documentElement.clientHeight;
	
	mx = parseInt((mx/2)-170);
	my = parseInt((my/2)-180);
	
	diw.style.display = "block";
	diw.style.position = "absolute";

	diw.style.left = mx + 'px';
	diw.style.top = my + 'px';
}

function ukryjDiv(id)
{
	var diw = document.getElementById(id);
	diw.style.display = "none";
}

function ukryjFormularzKontaktowy(id)
{
	var div = $(id);
	div.style.display = "none";
	
	var errors = $$('td.contact_mail_form_error');

	errors.each(function(element) {
		  element.innerHTML = '';
		});
	
	//var x=document.forms.mail_form;
    //x.reset();
	
	$('contact_temat').value = '';
	$('contact_tresc').value = '';
	$('contact_kod').value = '';
}