for (var j=0; j<8; j++)
(new Image()).src='../images/header' + j + '.gif';

var arg1, arg2, arg3;
var curitem;
var curimage=new Array();
var pictures=new Array();
var myInterval;
var active_obj;

function showbox(menbox){
if(document.getElementById(menbox))
	document.getElementById(menbox).style.top="100%";
}
function hidebox(menbox){
document.getElementById(menbox).style.top="-99999px";
}

//Photo handling
function set_image(imageId,itId,imId){
	document.getElementById(imageId).src="./images/" + pictures[itId][imId][0];
	if (document.getElementById("mediaplayer" + itId) != null)
		{
		/*@cc_on
		@if (@_jscript)
		player.stop();
		@end
		@*/
		document.getElementById("audio" + itId).removeChild(player);
		}

	var currentid="mediaplayer" + itId;
	if (pictures[itId][imId][1]>"")
		{
		var audiosource="./images/" + pictures[itId][imId][1];
		player = document.createElement("embed");
		player.setAttribute("type","application/x-mplayer2");
		player.setAttribute("pluginspage","http://www.microsoft.com/Windows/MediaPlayer/");
		player.setAttribute("src", audiosource);
		player.setAttribute("name", "MediaPlayer1");
		player.setAttribute("showcontrols", 1);
		//player.setAttribute("hidden",true);
		player.setAttribute("autostart",1);
		player.setAttribute("width", 135);
		player.setAttribute("height", 45);
		player.setAttribute("id", currentid);
		document.getElementById("audio" + itId).appendChild(player);
		}
	document.getElementById("caption" + itId).firstChild.data=pictures[itId][imId][2];
	document.getElementById(imageId).width=pictures[itId][imId][3];
	document.getElementById(imageId).height=pictures[itId][imId][4];
	}
	
function first_image(pict1,pict2,it){
	curimage[it]=0;
		if (active_obj==1)
			{
			set_image(pict1,it,curimage[it]);
			var myFx = new Fx.Style($(pict1), 'opacity', {duration: 3000 }).start(1);
			var myFx = new Fx.Style($(pict2), 'opacity', {duration: 3000 }).start(0);
			active_obj=2;
			}
		else
			{
			set_image(pict2,it,curimage[it]);
			var myFx = new Fx.Style($(pict1), 'opacity', {duration: 3000 }).start(0);
			var myFx = new Fx.Style($(pict2), 'opacity', {duration: 3000 }).start(1);
			active_obj=1;
			}
	}

function next_image(pict1,pict2,it){
	if (curimage[it]<pictures[it].length -1)
		{
		curimage[it]=curimage[it] + 1;
		if (active_obj==1)
			{
			set_image(pict1,it,curimage[it]);
			var myFx = new Fx.Style($(pict1), 'opacity', {duration: 3000 }).start(1);
			var myFx = new Fx.Style($(pict2), 'opacity', {duration: 3000 }).start(0);
			active_obj=2;
			}
		else
			{
			set_image(pict2,it,curimage[it]);
			var myFx = new Fx.Style($(pict1), 'opacity', {duration: 3000 }).start(0);
			var myFx = new Fx.Style($(pict2), 'opacity', {duration: 3000 }).start(1);
			active_obj=1;
			}
		}
	}

function previous_image(pict1,pict2,it){
	if (curimage[it]>0)
		{
		curimage[it]=curimage[it]-1;
		if (active_obj==1)
			{
			set_image(pict1,it,curimage[it]);
			var myFx = new Fx.Style($(pict1), 'opacity', {duration: 3000 }).start(1);
			var myFx = new Fx.Style($(pict2), 'opacity', {duration: 3000 }).start(0);
			active_obj=2;
			}
		else
			{
			set_image(pict2,it,curimage[it]);
			var myFx = new Fx.Style($(pict1), 'opacity', {duration: 3000 }).start(0);
			var myFx = new Fx.Style($(pict2), 'opacity', {duration: 3000 }).start(1);
			active_obj=1;
			}
		}
	}

function last_image(pict1,pict2,it){
	curimage[it]=pictures[it].length-1;
	if (active_obj==1)
		{
		set_image(pict1,it,curimage[it]);
		var myFx = new Fx.Style($(pict1), 'opacity', {duration: 3000 }).start(1);
		var myFx = new Fx.Style($(pict2), 'opacity', {duration: 3000 }).start(0);
		active_obj=2;
		}
	else
		{
		set_image(pict2,it,curimage[it]);
		var myFx = new Fx.Style($(pict1), 'opacity', {duration: 3000 }).start(0);
		var myFx = new Fx.Style($(pict2), 'opacity', {duration: 3000 }).start(1);
		active_obj=1;
		}
	}
	
function start_show(pict1,pict2,it){
	if (curimage[it]<pictures[it].length - 1)
   		{
		next_image(pict1,pict2,it);
   		}
	else
   		{
    	window.clearInterval(myInterval);
		first_image(pict1,pict2,it);
   		}
	}

function stop_show(pict1,pict2,it){
    	window.clearInterval(myInterval);
		//first_image(pict1,pict2,it);
   		}

//show period		
function process_period(periode){
	var exp = new Date();
	exp.setTime(exp.getTime()+30*24*60*60*1000);
	document.cookie='duur=' + periode + ';expires=' + exp.toGMTString() + ';path=/';
	document.formperiod.submit();
}
	
function ReadCookie(name){
 var cookies = document.cookie;
 var start = cookies.indexOf(name + "=");
 start=cookies.indexOf("=", start) + 1;
 var end = cookies.indexOf(";", start)
 if (end == -1){end = cookies.length;}
 var value = unescape(cookies.substring(start, end));
 return value;
}

function TestCookies(){
document.cookie='TestCookie=DummyValue';
if (!(ReadCookie('TestCookie') == 'DummyValue'))
	{
document.write('<p class="emphasis">Uw browser is ingesteld om geen session cookies te accepteren.<br>U kunt hierdoor geen beschermde paginas bezoeken.</p>');
	}
else
	{
	document.writeln('<br>');
	var exp = new Date();
	exp.setTime(exp.getTime()-1);
	document.cookie='TestCookie=DummyValue; expires=' + exp.toGMTString();
	return true;
	}
}
	
function fadeOut(objId,opacity) {
	if (document.getElementById) {
		obj = document.getElementById(objId);
		if (opacity > 0) {
			setOpacity(obj, opacity);
			opacity -= 5;
			window.setTimeout("fadeOut('"+objId+"',"+opacity+")", 10);
		}
	}
}
function setOpacity(obj, opacity) {
	opacity = (opacity == 100)?99.999:opacity;
	// IE/Win
	obj.style.filter = "alpha(opacity:"+opacity+")";
	// Safari<1.2, Konqueror
	obj.style.KHTMLOpacity = opacity/100;
	// Older Mozilla and Firefox
	obj.style.MozOpacity = opacity/100;
	// Safari 1.2, newer Firefox and Mozilla, CSS3
	obj.style.opacity = opacity/100;
}