// JavaScript Document
// CrossFader

ausblenden = function(mydiv){
var div = mydiv;
var element=document.getElementById(div);
element.style.visibility = "hidden";

}


arrayausblenden = function(mydiv){

var div = mydiv;

for (j=0; j<div.length; j++)
{
var element=document.getElementById(div[j]);
element.style.visibility = "hidden";


}
}



var x;
if (x) {
if (typeof(cf) == "undefined")
var cf;
}
else {
var cf = this;
}
cf.fader = function (obj, fadetime, delay) {
this.el2 = -1;
this.id = obj;
for (i=0; i<obj.length; i++) {
var s = document.getElementById(obj[i]).style;
s.position = "absolute"; s.visibility = "hidden"; s.opacity = 0; s.filter = "alpha(opacity=0)";
}
this.dur = fadetime;
this.delay = delay;
this.fade2();
}
cf.fader.prototype.fade1 = function() {
this.time += this.interval;
var ieop = Math.round(this.fade(this.time, 0, 1, this.dur) * 100);
var op = ieop / 100;
var s = document.getElementById(this.id[this.el2]).style;
s.opacity = op; s.filter = "alpha(opacity="+ieop+")";
if (this.el1 > -1) {
var s = document.getElementById(this.id[this.el1]).style;
s.opacity = 1 - op; s.filter = "alpha(opacity="+(100 - ieop)+")";
}
if (this.time == this.dur) {
clearInterval(this.id1);
if (this.el1 > -1)
document.getElementById(this.id[this.el1]).style.visibility = "hidden";
var t=this;
this.id2 = setInterval(function() {t.fade2()}, this.delay);
}
}
cf.fader.prototype.fade2 = function() {

if (this.id2)
clearInterval(this.id2);
this.el1 = this.el2;
this.el2++;
//if (!this.id[this.el2]) this.el2 = 0;  {return false;}
if (!this.id[this.el2]) {return false;}
if (this.el2 == this.el1)
return false;
document.getElementById(this.id[this.el2]).style.visibility = "visible";
this.interval = 50;
this.time = 0;
var t=this;
this.id1 = setInterval(function() {t.fade1()}, this.interval);
}
cf.fader.prototype.fade = function(t,b,c,d) {
return c/2 * (1 - Math.cos(Math.PI*t/d)) + b;
}