function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
  {
     var arVersion = navigator.appVersion.split("MSIE")
     var version = parseFloat(arVersion[1])
     if ((version >= 5.5) && (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 createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}


function startArtikelSlide() {

	if (!pauzeArtikelSlide)
	{
	
		currentArtikel = 1;
		x = readCookie('currentArtikel');
		if (x) {
			currentArtikel = parseInt(x);
		}
		artikelSlide('next');
	}
	setTimeout("startArtikelSlide()", 6000);
}

function artikelSlide(direction) {


	limit = 5;
	if (totalArtikelen < limit) {
		limit = totalArtikelen;
	}

	for(var i=1; i <= limit; i++)    {
		document.getElementById('artikel-' + i).style.display = 'none';
	}

	if (direction == 'prev') {

		if ((currentArtikel-1) == 0) {
			currentArtikel = limit+1;
		}
		currentArtikel = currentArtikel - 1;

	}
	if (direction == 'next') {

		if ((currentArtikel+1) > limit) {
			currentArtikel = 0;
		}
		currentArtikel = currentArtikel + 1;
	}
	Effect.toggle('artikel-' + currentArtikel,'appear');
//	document.getElementById('artikel-' + currentArtikel).style.display = 'inline';
	createCookie('currentArtikel',currentArtikel,1);

}