ie = document.all;ns4 = document.layers;ns6 = (document.getElementById&&!document.all)
st = ie?".style":ns6?"').style":""
layer = ie?"document.all.":ns6?"document.getElementById('":"document.layers."

function s(n){a=layer+n+st;eval(a+'.visibility="visible"');}
function h(n){b=layer+n+st;eval(b+'.visibility="hidden"');}
function on()
{
	s(this.name)
}function off() 
{
	h(this.name)
}
function menu() 
{
	if(ns4){

	document.layers.menu2.onmouseover = on
	document.layers.menu2.onmouseout = off
	document.layers.menu3.onmouseover = on
	document.layers.menu3.onmouseout = off
}
}

var ie4 = (document.all) ? true : false;
var ns4 = (document.layers) ? true : false;
var ns6 = (document.getElementById && !document.all) ? true : false;
function hidelayer(lay) {
if (ie4) {document.all[lay].style.visibility = "hidden";}
if (ns4) {document.layers[lay].visibility = "hide";}
if (ns6) {document.getElementById([lay]).style.display = "none";}
}
function showlayer(lay) {
if (ie4) {document.all[lay].style.visibility = "visible";}
if (ns4) {document.layers[lay].visibility = "show";}
if (ns6) {document.getElementById([lay]).style.display = "block";}
}
function writetolayer(lay,txt) {
if (ie4) {
document.all[lay].innerHTML = txt;
}
if (ns4) {
document[lay].document.write(txt);
document[lay].document.close();
}
if (ns6) {
over = document.getElementById([lay]);
range = document.createRange();
range.setStartBefore(over);
domfrag = range.createContextualFragment(txt);
while (over.hasChildNodes()) {
over.removeChild(over.lastChild);
}
over.appendChild(domfrag);
   }
}

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];}
}

MM_preloadImages('grafika/menu2a_02.jpg','grafika/menu2a_03.jpg','grafika/menu2a_04.jpg','grafika/menu2a_05.jpg','grafika/menu2a_06.jpg','grafika/menu2a_07.jpg')

function CheckFields(f) {
    
	if (f.imie_nazwisko.value.length == 0) {
        alert("Proszę o podanie imienia lub nazwiska");
        return false;
    }

    if (f.email.value.length == 0) {
        alert("Proszę o podanie adresu e-mail");
        return false;
    }

	if (f.tresc.value.length == 0) {
        alert("Proszę o wpisanie treści zapytania");
        return false;
    }

	
	if	(f.email.value.indexOf("@")<2) {
		alert("Wpisany adres e-mail wydaję się być niepoprawnym"
		+"\nProszę o podanie prawidłowego adresu e-mail");
        return false;
	}


	return true;
}

					function over()
						{
						event.srcElement.style.cursor="hand";
						event.srcElement.style.color="red";
						}
		
					function out()
						{
						event.srcElement.style.cursor = "auto";
						event.srcElement.style.color="black";
						}
			
					function rolldown(object)
						{
						roller= document.all(object);
						if(roller.style.display == "none")
							{
							roller.style.display = "";
							} 
						else 
							{
							roller.style.display = "none";
							}
						}