//By George Chiang (www.javascriptkit.com) JavaScript site.
img1=new Image()
img1.src="bilder/fold.gif"
img2=new Image()
img2.src="bilder/open.gif"
ns6_index=0

function change(e){
	if(!document.all&&!document.getElementById)
		return

	if (!document.all&&document.getElementById)
		ns6_index=1

	var source=document.getElementById&&!document.all? e.target:event.srcElement
	if (source.className=="folding"){
		var source2=document.getElementById&&!document.all? source.parentNode.childNodes:source.parentElement.all
		if (source2[4+ns6_index].style.display=="none"){
			source2[0].src="bilder/open.gif"
			source2[4+ns6_index].style.display=''
		}
		else{
			source2[0].src="bilder/fold.gif"
			source2[4+ns6_index].style.display="none"
		}
	}
}

document.onclick=change

function replaceCaptcha() {
	var img = document.getElementById("captcha_pic");
	var h = hex_md5("asdf"+Math.random()*1000);
	//alert(hex_md5("abc"));
	//alert(h);
	img.src = "captchaimg.php?"+h;
}