// JavaScript Document

var msie4 = false;
/*var browserName=navigator.appName;
var browserVer=parseInt(navigator.appVersion);
var version="";
var msie4=(browserName=="Microsoft Internet Explorer"&&browserVer>=4);
if((browserName=="Netscape"&&browserVer>=3)||msie4||browserName=="Konqueror"||browserName=="Opera"){version="n3";}else{version="n2";}

function blurLink(theObject){if(msie4){theObject.blur();}}*/

function visibleIcon(url){
	if(document.getElementById('icon')&&document.getElementById('iconImg')){
		document.getElementById('iconImg').src = url;
		document.getElementById('icon').style.visibility = 'visible';
	}
}

function hideIcon(){
	if(document.getElementById('icon')&&document.getElementById('iconImg')){
		document.getElementById('iconImg').src = 'clear.gif';
		document.getElementById('icon').style.visibility = 'hidden';
	}
}

// Bildwechsler

var imgArray = new Array();
var zInterval = null;
var current = 0;

function imageFader() {
	cOpacity = imgArray[current].xOpacity;
	nIndex = imgArray[current+1]?current+1:0;
	nOpacity = imgArray[nIndex].xOpacity;
	cOpacity-=.05; 
	nOpacity+=.05;
	imgArray[nIndex].style.display = "block";
	imgArray[current].xOpacity = cOpacity;
	imgArray[nIndex].xOpacity = nOpacity;
	setOpacity(imgArray[current]); 
	setOpacity(imgArray[nIndex]);
	if(cOpacity<=0) {
		imgArray[current].style.display = "none";
		current = nIndex;
		imageFade = setTimeout(imageFader,8000);
	} else {
		imageFade = setTimeout(imageFader,150);
	}
	
	function setOpacity(obj) {
		if(obj.xOpacity>.99) {
			obj.xOpacity = .99;
			return;
		}
		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}
}

function initImageChanger() {
	if(!document.getElementById || !document.createElement) return;
	imgArray = document.getElementById("imageBox").getElementsByTagName("img");
	current = Math.round(Math.random() * 8);
	//alert(current);
	if(!current) current = 0;
	for(i=0;i<imgArray.length;i++) {
		imgArray[i].xOpacity = 0;
		if(current!=i){
			imgArray[i].style.opacity = imgArray[i].xOpacity;
			imgArray[i].style.MozOpacity = imgArray[i].xOpacity;
			imgArray[i].style.filter = "alpha(opacity=" + (imgArray[i].xOpacity*100) + ")";
			imgArray[i].style.display = "none";
		}
	}
	imgArray[current].style.display = "block";
	imgArray[current].xOpacity = .99;
	imageFade = setTimeout(imageFader,3000);
}