var timeout    = 500;
var closetimer = 0;
var ddmenuitem = 0;

function jsddm_open()
{  jsddm_canceltimer();
   jsddm_close();
   ddmenuitem = $(this).find('ul').css('visibility', 'visible');}

function jsddm_close()
{  if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}

function jsddm_timer()
{  closetimer = window.setTimeout(jsddm_close, timeout);}

function jsddm_canceltimer()
{  if(closetimer)
   {  window.clearTimeout(closetimer);
      closetimer = null;}}

$(document).ready(function()
{  $('#navi > li').bind('mouseover', jsddm_open)
   $('#navi > li').bind('mouseout',  jsddm_timer)});

document.onclick = jsddm_close;

function slideShow(){
	var randomNumber = Math.floor(Math.random() * 18) + 1
	$('#pics1').cycle({ 
		fx: 'fade', 
		speed: 2500,
		timeout: 5000,
		pause: 1,
		startingSlide: randomNumber
	});
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		etusivu_over = newImage("images/etusivu_over.gif");
		tulospalvelu_etusivu_over = newImage("images/tulospalvelu_over.gif");
		pelaajat_etusivu_over = newImage("images/pelaajat_over.gif");
		kentta_etusivu_over = newImage("images/kentta_over.gif");
		Yleiso_etusivu_over = newImage("images/Yleiso_over.gif");
		hospitality_etusivu_over = newImage("images/hospitality_over.gif");
		shop_etusivu_over = newImage("images/shop_over.gif");
		kumppanit_etusivu_over = newImage("images/kumppanit_over.gif");
		media_etusivu_over = newImage("images/media_over.gif");
		palaute_etusivu_over = newImage("images/palaute_over.gif");
		preloadFlag = true;
	}
}

function checkIt() {
	var msg = "";
	if (document.palaute.Nimi.value.length < 3) {
		msg = msg + "\n- Nimi puuttuu";
	}
	if (document.palaute.Palaute.value.length < 5) {
		msg = msg + "\n- Palauteteksti puuttuu";
	}
	if (msg != "") {
		window.alert("Virheitä lomakkeessa! "+ msg +"");
		msg = "";
		return false;
	}
	return true;
}

function ShowHide(id, visibility) {
    obj = document.getElementsByTagName("div");
    obj[id].style.visibility = visibility;
}

function avaaIkkuna(url,size1,size2){
    window.open(url,"UusiIkkuna","WIDTH="+ size1 +",HEIGHT="+ size2 +",scrollbars=no,toolbars=no");
}