//sprawdza dane przy dodawaniu administratora
function sprawdzAdmin(frm)
{
	if(frm.login.value == "")
	{
		alert("Please enter login.");
		frm.login.focus();
		return false;
	}

	if(frm.haslo1.value == "")
	{
		alert("Please enter password.");
		frm.haslo1.focus();
		return false;
	}

	if(frm.haslo1.value != frm.haslo2.value || frm.haslo1.value == "" )
	{
		alert("Please repeat password.");
		frm.haslo2.focus();
		return false;
	}
	return true;
}

//sprawdza dane przy zmianie hasła administratora
function sprawdzZmianaHasla(frm)
{

	if(frm.haslo1.value == "")
	{
		alert("Please enter password.");
		frm.haslo1.focus();
		return false;
	}

	if(frm.haslo1.value != frm.haslo2.value || frm.haslo1.value == "" )
	{
		alert("Please correct repeat password.");
		frm.haslo2.focus();
		return false;
	}
	return true;
}

function logowanie(){
	var frm = document.frm
  
	if(frm.login.value == '')
	{
		frm.login.focus();
	}
}

// JavaScript Document
function openWindow(url,szer,wys,tytul){
		
	var nowe;
	
	nowe = window.open('','nowe',' width='+szer+',height='+wys+',menubar=no, toolbar=no, status=no');
	nowe.document.open();
    	nowe.document.write("<HEAD><title>"+tytul+"</title><META HTTP-EQUIV=\"imagetoolbar\" CONTENT=\"no\"></head><BODY leftmargin=1 topmargin=1><IMG src="+url+"></body>");
    	nowe.document.close();
    	nowe.focus();
	}

function checkQuestbook()
{

	if(frm.nick.value == "")
	{
		alert("Please enter your nickname.");
		frm.nick.focus();
		return false;
	}

	if(frm.tresc.value == "")
	{
		alert("Please enter content.");
		frm.tresc.focus();
		return false;
	}

	if(frm.token.value == "")
	{
		alert("Please enter token.");
		frm.token.focus();
		return false;
	}

	return true;
}

/*
 * function displaying multimedia form
 */
function displayMultimedia(what) 
{
	alert(what);
	if(what == "pictures")
	{
		document.getElementById("div_pictures").style.display = "block";
		document.getElementById("div_video").style.display = "none";
	}

	if(what == "video")
	{
		document.getElementById("div_video").style.display = "block";
		document.getElementById("div_pictures").style.display = "none";
	}

}