var	selectedid	=	0;
var	selectedmouseout;
var	selectedsrc;


function loadsite(){
	DD_roundies.addRule('.rounded', '12px', true);
//	DD_roundies.addRule('#updiv', '12px 12px 0px 0px', true);
//	DD_roundies.addRule('#downdiv', '0px 0px 12px 12px', true);
	DD_roundies.addRule('.transpng');
	new Effect.Opacity('c_logo', { from: 1, to: 0.7, duration: 1.0, queue: { position: 'end', scope: 'introscope', limit: 2 } });

//	butnlightdown('updiv');
//	butnlightdown('downdiv');
//	new Draggable('page',{ revert: false, change:dragchange, onEnd:function (){ resizescrollbox('txtbox'); } });
//	player	=	getFlashMovieObject("cn_flash");
	Event.observe($('txtbox'), "mousewheel", handlepageDIV, false);
	Event.observe($('txtbox'), "DOMMouseScroll", handlepageDIV, false); // Firefox
	Event.observe($('menutxtbox'), "mousewheel", handlemenuDIV, false);
	Event.observe($('menutxtbox'), "DOMMouseScroll", handlemenuDIV, false); // Firefox

	if (intro=='0')	{
		if	($('pagetxt').innerHTML!='')	$('page').show();
		new Effect.BlindDown($('menu'));
		new Effect.BlindDown($('datamenutxt'));
	}
	if	(audio)	setaudio(true);
	
	resizescrollbox('txtbox',600);
	loadimage(id);
//	resizescrollbox('menutxtbox',400);
//	checkscroll('menutxtbox');
}

function closeintro(){
	if ($('logo'))	$('logo').remove();
	if ($('menu').style.display=='none')	new Effect.BlindDown($('menu'));
	if ($('datamenutxt').style.display=='none')	new Effect.BlindDown($('datamenutxt'));
}

function togglefolder(elm){
	new Effect.toggle(elm, 'blind',{ duration: 0.5, queue: { position: 'end', scope: 'menuresizescope', limit: 10 }, afterFinish: function(){ checkscroll('menutxtbox'); } });
}

function loadpage(id){
	resetslider();
	closeintro();
	clear_imgready_poll();
	loadtext(id);
	loadimage(id);
	if	(selectedid!=0)	$('menu_'+selectedid).className =	'itemlnk';
	selectedid				=	id;
	$('menu_'+id).className =	'itemlnksel';
/*
	if	(selectedid!=0)		{
		$('menu_'+selectedid).onmouseout =	selectedmouseout;
		$('menu_'+selectedid).src =	selectedsrc;
	}
	selectedid			=	id;
	selectedmouseout	=	$('menu_'+id).onmouseout;
	$('menu_'+id).onmouseout =	$('menu_'+id).src;
	selectedsrc 		=	$('menu_'+id).src;
	*/
}


function butnlightup(elmid){
	new Effect.Opacity(elmid, { from: 0.3, to: 1.0, duration: 0.2, queue: { position: 'end', scope: 'buttonscope', limit: 2 } }); return false;
}
function butnlightdown(elmid){
	new Effect.Opacity(elmid, { from: 1.0, to: 0.3, duration: 0.4, queue: { position: 'end', scope: 'buttonscope', limit: 2 } }); return false;
}

function setlanguage(ln){
	lang	=	ln;
	if	(lang=='0')	{	
		$('nlselect').className="";
		$('ukselect').className="black";
	}		
	if	(lang=='1')	{	
		$('nlselect').className="black";
		$('ukselect').className="";
	}		
	id	=	1;
	loadMenu(id);
	loadpage(id);
}

function loadMenu(selectid){
	new Ajax.Updater('sitemenu', 'gotramenu.php', {
  		parameters: { selid: selectid, ln: lang }
	});
}

function dragchange(inst){
//	alert('drag');
}


Object.extend(Event, {
	wheel:function (event){
		var delta = 0;
		if (!event) event = window.event;
		if (event.wheelDelta) {
			delta = event.wheelDelta/120; 
			if (window.opera) delta = -delta;
		} else if (event.detail) { delta = -event.detail/3;	}
		return Math.round(delta); //Safari Round
	}
});
function handlepageDIV(e) {
	if (Event.wheel(e) > 0) 		scrollup('txtbox');
	else if (Event.wheel(e) < 0)	scrolldown('txtbox');
}
function handlemenuDIV(e) {
	if (Event.wheel(e) > 0) 		scrollup('menutxtbox');
	else if (Event.wheel(e) < 0)	scrolldown('menutxtbox');
}


function getFlashMovieObject(movieName){
  if (window.document[movieName])	return window.document[movieName];
  if (navigator.appName.indexOf("Microsoft Internet")==-1)
  {    if (document.embeds && document.embeds[movieName])	return document.embeds[movieName]; }
  else // if (navigator.appName.indexOf("Microsoft Internet")!=-1)
  {   return document.getElementById(movieName);}
}
function playvideo(stream){
	player.SetVariable("streamname", stream);
}
function stopvideo(){
	player.SetVariable("jscontrol", "stop");
}
function pausevideo(){
	player.SetVariable("jscontrol", "pause");
}
function setloop(){
//	player.SetVariable("jscontrol", "loop");
}
function fmsvideoend(stream){
//	alert('video end');
	setnext();
}

function sendSignin(){
	var name	=	$('signinname').value;
	var email	=	$('signinemail').value;
	
	if (name=='' || email=='')	{	alert('Vul alle gegevens in.');	return false;}
		var url = "newsletter/"+encodeURIComponent('sendsigninmail.php');
		new Ajax.Request(url, {
  			method: 'post',
  			parameters: { toname: name, toadres: email, subject:'Cultura Nova nieuwsbrief aanmelding'},
  			onSuccess: function(transport) {
   		 			switch (transport.responseText){
   		 				case "OK":		$('nieuwsbriefdiv').update("Er is een bevestigings email naar u verzonden.");
   		 								break;
   		 				case "EXIST":	alert("Dit email adres staat al geregistreerd.");
   		 								break;
   		 				case "ERROR":	$('nieuwsbriefdiv').update("Fout tijdens het verzenden van de email.");
   		 								break;
   		 			}
  				}
			});
	return false;
}

function sendSignOff(){
	var retVal = "";
    retVal = prompt("Email adres", ""); 
    if (retVal == "" || retVal == null) return false;

		var url = "newsletter/"+encodeURIComponent('sendsignoffmail.php');
		new Ajax.Request(url, {
  			method: 'post',
  			parameters: { toadres: retVal, subject:'Cultura Nova nieuwsbrief afmelden'},
  			onSuccess: function(transport) {
   		 			switch (transport.responseText){
   		 				case "OK":		$('nieuwsbriefdiv').update("Er is een bevestigings email naar u verzonden.");
   		 								break;
   		 				case "UNKNOWN":	alert("Dit email adres staat niet geregistreerd.");
   		 								break;
   		 				case "ERROR":	$('nieuwsbriefdiv').update("Fout tijdens het verzenden van de email.");
   		 								break;
   		 			}
  				}
			});
	return false;
}




function allImagesLoaded() {
	var imagesloaded = true;
	var images = $('slider').select('img');
	for (var i = 0;i<images.length;i++){
		if(images[i].complete == false) imagesloaded = false;
	}
	return imagesloaded;
}

function imgready_poll(retfunc){
	imgpoll_Id = setInterval(function(){	 if (allImagesLoaded()){	clear_imgready_poll(); eval(retfunc);} },500);
}
function clear_imgready_poll(){
	clearInterval( imgpoll_Id );
}




function scrollup(box){
	var scrollpage	=	$(box).firstDescendant().id;
	var newy	=	$(scrollpage).offsetTop+100;
	if (newy>0)	newy	=	0;
	new Effect.Move(scrollpage, {x:0, y: newy, mode: 'absolute', duration: 0.2, afterFinish: function(){checkscroll(box);} });
}
function scrolldown(box){
	var scrollpage	=	$(box).firstDescendant().id;
	var cury	=	$(scrollpage).offsetTop-$(box).offsetTop;
	var newy	=	cury-100;
	if ( newy < -$(scrollpage).getHeight()+$(box).getHeight() )
		newy	=	-$(scrollpage).getHeight()+$(box).getHeight();
	new Effect.Move(scrollpage, {x:0, y: newy, mode: 'absolute', duration: 0.2, afterFinish: function(){checkscroll(box);} });	
}
function resetscroll(page){
	new Effect.Move(page, {x:0, y: 0, mode: 'absolute' });
}
function checkscroll(box){
	var scrollpage	=	$(box).firstDescendant();
	var parentdiv	=	$(box).up();
	var ud			=	parentdiv.select('[class="updiv"]');
	var dd			=	parentdiv.select('[class="downdiv"]');
	var scrollupdiv		=	ud[0].id;
	var	scrolldowndiv	=	dd[0].id;

	if 	(scrollpage.getHeight() > $(box).getHeight() )	{
			var ypos	=	scrollpage.offsetTop;
			if	(ypos>=	0)		$(scrollupdiv).style.visibility	=	"hidden";
			else				$(scrollupdiv).style.visibility	=	"visible";
			if	(ypos<= -1*( scrollpage.getHeight() )+$(box).getHeight() )	
								$(scrolldowndiv).style.visibility	=	"hidden";
			else				$(scrolldowndiv).style.visibility	=	"visible";
	}
	else	{
			$(scrollupdiv).style.visibility		=	"hidden";
			$(scrolldowndiv).style.visibility	=	"hidden";
	}
}
function resizescrollbox(box, max){
	var scrollpage	=	$(box).firstDescendant();
	var boxposition =	$(box).cumulativeOffset();
	var maxheight	=	windowHeight-boxposition[1]-50;
	if	(maxheight>max)	maxheight	=	max;
	var pageheight	=	scrollpage.getHeight();
//	alert(scrollpage.id);
	var newheight	=	0;
	if 	(pageheight>maxheight)	newheight	=	maxheight;
	else						newheight	=	pageheight;
	$(box).morph('height:'+newheight+'px;',{ duration: 1.0, queue: { position: 'end', scope: 'resizescope', limit: 10 }, afterFinish: function(){ checkscroll(box); } });
}


function loadtext(menuid){
	resetscroll('pagetxt');
	$('pagetxt').update('Loading...');
	var url = encodeURIComponent('cnpage.php');
	new Ajax.Request(url, {
  		method: 'post',
  		parameters: { id: menuid, ln: lang },
  		onSuccess: function(transport) {
    			$('pagetxt').update(transport.responseText);
    			if (transport.responseText=='') $('page').fade({ duration: 1.0, from: 1.0, to:0.0 });
    			else							$('page').show();
				//	$('page').appear();
				//imgready_poll("resizescrollbox('txtbox',600)");
				resizescrollbox('txtbox',600);
  			}
		});
}

function loadimage(menuid){
	var url = encodeURIComponent('get_slides_json.php');
	new Ajax.Request(url, {
  		method: 'post',
  		parameters: { pageid: menuid},
  		onSuccess: function(transport) {
      		currentimage	=	0;
      		images			=	transport.responseText.evalJSON();
			stopslider();
      		if	(images.images.length>0)	nextimage();
		}
	});
}



function nextimage(){
	if	(currentimage==images.images.length-1)	currentimage=-1;
	if	(currentimage<images.images.length-1)	currentimage++;

	var content = "<img id=\"sliderimg\" src=\"cn_files/"+images.images[currentimage]+"\" height=\"100%\">";
	$('slider').update(content);
//	imgready_poll('new Effect.Move(\'slider\', { x: 0, y: 0, mode: \'absolute\', queue: { position: \'end\', scope: \'imgslidescope\', limit: 10 }, afterFinish: function(){ if (images.images.length>1) startslider();} });' );

	new Effect.Move('slider', { x: 0, y: 0, mode: 'absolute', queue: { position: 'end', scope: 'imgslidescope', limit: 10 }, afterFinish: function(){ if (images.images.length>1) startslider();} });
}
function resetslider(){
	clearTimeout(sliderIntervalId);
//	new Effect.Move('slider', { x: -950, y: 0, mode: 'absolute', queue: { position: 'end', scope: 'imgslidescope', limit: 10 } });
	currentimage	=	0;
}
function slide(){
	//stopslider();
	new Effect.Move('slider', { x: -950, y: 0, mode: 'absolute', queue: { position: 'end', scope: 'imgslidescope', limit: 10 }, afterFinish: function(){	nextimage(); } });
}
function startslider(){
	sliderIntervalId = setTimeout("slide()",slidewaittime);
}
function stopslider(){
	clearTimeout(sliderIntervalId);
}




function resizeEventHandler(){
	windowWidth		=	document.documentElement.clientWidth;
	windowHeight	=	document.documentElement.clientHeight;
	resizescrollbox('txtbox',600);
}


function setaudio(stat){
	if	(stat){	
		enableSound();
		playSound(sitesound);
		$('audiobutn').className="";
	}
	else{
		disablenowSound();
		$('audiobutn').className="black";
	}
	audio	=	stat;
	return false;
}
function playSound(filename){
	Sound.play(filename,{replace:true});
	audioplaying=true;
}
function enableSound(){
	Sound.enable();
}
function disableSound(){
	Sound.disable();
}
function disablenowSound(){
	audioplaying=false;
	Sound.enable();
	Sound.play(silentsound,{replace:true});
	Sound.disable();
}