var uitgeklapt = -1;
var uitgeklapt2 = -1;

function klapUit(n) {
    if (uitgeklapt!=-1) {
        if (document.getElementById) { // IE5 & NN6
            document.getElementById('menuitem'+uitgeklapt).className = "menuitem";
        }
        hideLayer('submenu'+uitgeklapt);
    }
    uitgeklapt = n;
    if (n!=-1) {
        if (document.getElementById) { // IE5 & NN6
            document.getElementById('menuitem'+n).className = "menuitemOver";
        }
        showLayer('submenu'+n);
    }
}
function klapUit2(n) {
    if (uitgeklapt2!=-1) {
        if (document.getElementById) { // IE5 & NN6
            document.getElementById('extramenuitem'+uitgeklapt2).className = "extramenuitem";
        }
        hideLayer('extrasubmenu'+uitgeklapt2);
    }
    uitgeklapt2 = n;
    if (n!=-1) {
        if (document.getElementById) { // IE5 & NN6
            document.getElementById('extramenuitem'+n).className = "extramenuitemOver";
        }
        showLayer('extrasubmenu'+n);
    }
}

function showLayer() {
    res = showLayer.arguments;
    if (document.getElementById) { // IE5 & NN6
      for(i=0; i<res.length; i++) { if (document.getElementById(res[i])) document.getElementById(res[i]).style.visibility = "visible"; }
    }
}
function hideLayer() {
    res = hideLayer.arguments;
    if (document.getElementById) { // IE5 & NN6
      for(i=0; i<res.length; i++) { if (document.getElementById(res[i])) document.getElementById(res[i]).style.visibility = "hidden"; }
    }
}



/* foto gallerij */

function galleryStart(n,dir) {
    scroller = setInterval("galleryScroller("+n+","+dir+")",10)
}

function galleryScroller(n,dir) {
    if (document.getElementById) { // IE5 & NN6
        el = document.getElementById("thumbnailsScroller"+n);
        var x;
        if (el.scrollLeft > -1) {
            x = el.scrollLeft;
            x += dir;
            el.scrollLeft = x;
        }
    }
}

function galleryStop() {
    clearInterval(scroller);
}

function fixmacie(classname){        
var divs=document.getElementsByTagName("DIV");   
  for(var d=0; d < divs.length;d++){     
 if(divs[d].className.indexOf(classname)==0){    
 divs[d].innerHTML+= "<div class='mac-clearfix'> </div>"; 
/* The above html tags get added to the end of 
the cleared container if the browser is IE/mac. */  
 } } }

function init(){
/* Check if the browser is IE5 Mac */
   if( navigator.appVersion.indexOf('Mac')!=-1 && document.all){     
/* Pass the class name on the container to fixmacie 
(must be the FIRST classname if multiple classnames 
are used on the div!) */    
 fixmacie("clearfix");  
 } }
/* start the ball rolling when the page loads */
window.onload=init;