var FadeInStep         = 5;
var FadeOutStep        = 5;
/****** Don't alter anything else **************/

function res(){
if (screen.width<1024||screen.height<768){
alert ("Deze pagina\'s kunnen het beste bekeken worden met een minimale schermresolutie van 1024*768. Uw huidige schermresolutie is "+screen.width+"*"+screen.height+". Indien mogelijk past u de schermresolutie aan.\n\nThis webpage is bested viewed with a minimum screen resolution of 1024*768. Your current resolution is "+screen.width+"*"+screen.height+". If possible, please change the resolution!");
document.all.style.overflow='visible';
document.Scroll=true;
}
}

function setframe(){
dehoogte=document.body.clientHeight-262;
document.write("<style>div.scroll { width:639; height:"+dehoogte+"px; padding: 0px 20px 0px 0px; overflow: auto; }</style>");
}

function setframe2(){
dehoogte=document.body.clientHeight-295;
document.write("<style>div.scroll { width:597; height:"+dehoogte+"px; padding: 0px 20px 0px 0px; overflow: auto; }</style>");
}

function pasframeaan(){
dehoogte=document.body.clientHeight-260;
dediv=document.getElementById("scroll");
dediv.style.height=dehoogte;

}

function groteilllu(img){
groteillu=document.getElementById("contentillu");
groteillu.src=img;
}


function nieuws(illu, id, status) {

groteillu=document.getElementById("contentillu");
nieuwsbericht=document.getElementById("bericht"+id);
if(status==1){
nieuwsbericht.className='nieuws_over';
}else{
nieuwsbericht.className='nieuws';
}
var deillu= illu.split('.');
illu=deillu[0]+"g.jpg"
groteillu.src="images/"+illu;
}

document.write('<STYLE TYPE="text/css">.imgFader{ position:relative; filter:alpha(opacity=0); -moz-opacity:0.0 }</STYLE>');

if(!window.JSFX)
JSFX=new Object();
JSFX.RolloverObjects=new Array();
JSFX.Rollover = function(name, img)

{
        JSFX.RolloverObjects[name]=new Image();
        JSFX.RolloverObjects[name].img_src = img;

        if(!JSFX.Rollover.postLoad)
        JSFX.RolloverObjects[name].src = img;
}

JSFX.Rollover.postLoad = false;
JSFX.Rollover.loadImages = function()

{
        var i;
        for(i in JSFX.RolloverObjects)
        {
        r=JSFX.RolloverObjects[i];
        r.src=r.img_src;
        }
}
JSFX.Rollover.error = function(n)
{
                alert("JSFX.Rollover - An Error has been detected\n"
                        + "----------------------------------\n"
                        + "You must define a JSFX.Rollover in your document\n"
                        + "JSFX.Rollover(\""+n+"\",\"your_on_img.gif\")\n"
                        + "(check the spelling of your JSFX.Rollovers)");
}

/*******************************************************************
*
* Function    : getImg
*
* Description : In Netscape 4 images could be in layers so we might
*                    have to recurse the layers to find the image
*
*****************************************************************/

JSFX.getImg = function(n, d)
{
        var img = d.images[n];
        if(!img && d.layers)
        for(var i=0 ; !img && i<d.layers.length ; i++)
        img=JSFX.getImg(n,d.layers[i].document);
        return img;
}

/*******************************************************************
*
* Function    : findImg
*
* Description : gets the image from the document and reports an
*                    error if it cannot find it.
*
*****************************************************************/

JSFX.findImg = function(n, d)
{
        var img = JSFX.getImg(n, d);



        /*** Stop emails because the image was named incorrectly ***/
        if(!img)
        {

                alert("JSFX.findImg - An Error has been detected\n"
                        + "----------------------------------\n"
                        + "You must define an image in your document\n"
                        + "<IMG SRC=\"your_image.ext\" NAME=\""+n+"\">\n"
                        + "(check the NAME= attribute of your images)");
                return(new Image());
        }
        return img;
}

JSFX.ImageFadeRunning=false;
JSFX.ImageFadeInterval=30;

/*******************************************************************
*
* Function    : imgFadeIn
*
* Description : This function is based on the turn_on() function
*                      of animate2.js (animated rollovers from www.roy.whittle.com).
*                      Each image object is given a state.
*                        OnMouseOver the state is switched depending on the current state.
*                        Current state -> Switch to
*                        ===========================
*                        null                ->        OFF.
*                        OFF                ->        FADE_IN
*                        FADE_OUT        ->        FADE_IN
*                        FADE_OUT        ->        FADE_OUT_IN (if the new image is different)
*                        FADE_IN_OUT->        FADE_IN (if the image is the same)
*****************************************************************/

JSFX.imgFadeIn = function(img, imgSrc)
{
        if(img)
        {
                if(img.state == null)
                {
                        img.state = "OFF";
                        img.index = 0;
                        img.next_on    = null;
                }

                if(img.state == "OFF")
                {
                        /*** Vers 1.7 only load the ON image once ever ***/
                        if(img.src.indexOf(imgSrc) == -1)
                        img.src=imgSrc;
                        img.currSrc = imgSrc;
                        img.state = "FADE_IN";
                        JSFX.startFading();
                }

                else if( img.state == "FADE_IN_OUT"
                        || img.state == "FADE_OUT_IN"
                        || img.state == "FADE_OUT")
                {

                        if(img.currSrc == imgSrc)
                        img.state = "FADE_IN";
                        else
                        {
                        img.next_on = imgSrc;
                        img.state="FADE_OUT_IN";
                        }

                }

        }

}

/*******************************************************************
*
* Function    : imgFadeOut
*
* Description : This function is based on the turn_off function
*                      of animate2.js (animated rollovers from www.roy.whittle.com).
*                      Each image object is given a state.
*                        OnMouseOut the state is switched depending on the current state.
*                        Current state -> Switch to
*                        ===========================
*                        ON                ->        FADE_OUT.
*                        FADE_IN        ->        FADE_IN_OUT.
*                        FADE_OUT_IN        ->        FADE_IN. (after swapping to the next image)
*****************************************************************/

JSFX.imgFadeOut = function(img)
{
        if(img)
        {
                if(img.state=="ON")
                {
                        img.state="FADE_OUT";
                        JSFX.startFading();
                }
                else if(img.state == "FADE_IN")
                {
                        img.state="FADE_IN_OUT";
                }
                else if(img.state=="FADE_OUT_IN")
                {
                        img.next_on == null;
                        img.state = "FADE_OUT";
                }
        }
}

/*******************************************************************
*
* Function    : startFading
*
* Description : This function is based on the start_animating() function
*                        of animate2.js (animated rollovers from www.roy.whittle.com).
*                        If the timer is not currently running, it is started.
*                        Only 1 timer is used for all objects
*****************************************************************/

JSFX.startFading = function()
{
        if(!JSFX.ImageFadeRunning)
                JSFX.ImageFadeAnimation();
}



/*******************************************************************
*
* Function    : ImageFadeAnimation
*
* Description : This function is based on the Animate function
*                    of animate2.js (animated rollovers from www.roy.whittle.com).
*                    Each image object has a state. This function
*                    modifies each object and (possibly) changes its state.
*****************************************************************/

JSFX.ImageFadeAnimation = function()
{
        JSFX.ImageFadeRunning = false;
        for(i=0 ; i<document.images.length ; i++)
        {
                var img = document.images[i];
                if(img.state)
                {
                        if(img.state == "FADE_IN")
                        {
                                img.index+=FadeInStep;
                                if(img.index > 100)
                                        img.index = 100;

                                if(img.filters)
                                img.filters.alpha.opacity = img.index;
                                else
                                img.style.MozOpacity = img.index/101;
                                if(img.index == 100)
                                img.state="ON";
                                else
                                JSFX.ImageFadeRunning = true;
                        }
                        else if(img.state == "FADE_IN_OUT")
                        {
                        img.index+=FadeInStep;
                        if(img.index > 100)
                        img.index = 100;

                        if(img.filters)
                        img.filters.alpha.opacity = img.index;
                        else
                        img.style.MozOpacity = img.index/101;

                        if(img.index == 100)
                        img.state="FADE_OUT";
                        JSFX.ImageFadeRunning = true;
                        }
                        else if(img.state == "FADE_OUT")
                        {
                        img.index-=FadeOutStep;

                        if(img.index < 0)
                        img.index = 0;
                        if(img.filters)
                        img.filters.alpha.opacity = img.index;
                        else
                        img.style.MozOpacity = img.index/101;
                        if(img.index == 0)
                        img.state="OFF";
                        else
                        JSFX.ImageFadeRunning = true;
                        }
                        else if(img.state == "FADE_OUT_IN")
                        {
                        img.index-=FadeOutStep;
                        if(img.index < 0)
                        img.index = 0;

                        if(img.filters)
                        img.filters.alpha.opacity = img.index;
                        else
                        img.style.MozOpacity = img.index/101;
                        if(img.index == 0)
                        {
                          img.src = img.next_on;
                          img.currSrc = img.next_on;
                          img.state="FADE_IN";
                        }

                        JSFX.ImageFadeRunning = true;

                        }
               }
}

        /*** Check to see if we need to animate any more frames. ***/
        if(JSFX.ImageFadeRunning)
        setTimeout("JSFX.ImageFadeAnimation()", JSFX.ImageFadeInterval);
}

/*******************************************************************
*
* Function    : hasOpacity
*
* Description : Tests if the browser allows Opacity
*
*****************************************************************/

JSFX.hasOpacity = function(obj)
{
        if(document.layers)
        return false;
        if(window.opera)
        return false;
        if(navigator.userAgent.toLowerCase().indexOf("mac") != -1)
        return false;
        return true;
}

/*******************************************************************
*
* Function    : fadeIn /fadeOut
*
* Description : Detects browser that can do opacity and fades the images
*                    For browsers that do not support opacity it just does an image swap.
*                    (I only know about NS4 but maybe IE on a Mac also ?)
*                    For these functions to work you need to name the image
*                        e.g. for an image named "home" you need
*                        <IMG .... NAME="home">
*                    and you need 2 images, the on and the off image
*****************************************************************/

JSFX.fadeIn = function(imgName, rollName)
{

        if(rollName == null)
        rollName=imgName;
        /*** Stop emails because the rollover was named incorrectly ***/
        if(!JSFX.RolloverObjects[rollName])
        {
        JSFX.Rollover.error(rollName);
        return;
        }

        var img = JSFX.findImg(imgName, document);
        if(JSFX.hasOpacity(img))
        JSFX.imgFadeIn(img, JSFX.RolloverObjects[rollName].img_src);
        else
        {
        if(img.offSrc==null)
        img.offSrc=img.src;
        img.src=JSFX.RolloverObjects[rollName].img_src;
        }
}
JSFX.fadeOut = function(imgName)
{
        var img = JSFX.findImg(imgName, document);
        if(JSFX.hasOpacity(img))
        JSFX.imgFadeOut(img);
        else
        img.src=img.offSrc;
}

/*******************************************************************
*
* Function    : imgOn /imgOff
*
* Description : Included these functions so you can mix simple and
*                    fading rollovers without having to include 2 ".js" files
*
*****************************************************************/

JSFX.imgOn = function(imgName, rollName)
{
        if(rollName == null)
        rollName=imgName;
        /*** Stop emails because the rollover was named incorrectly ***/
        if(!JSFX.RolloverObjects[rollName])
        {
        JSFX.Rollover.error(rollName);
        return;
        }
        var img = JSFX.findImg(imgName,document);
        if(img.offSrc==null)
        img.offSrc=img.src;
        img.src=JSFX.RolloverObjects[rollName].img_src;
}
JSFX.imgOff = function(imgName)
{
        var img = JSFX.findImg(imgName,document);
        img.src=img.offSrc;
}
