// Javascript Slideshow

var fadearray=new Array()
var fadeclear=new Array()

var dom=(document.getElementById) //DOM Browser
var iebrowser=document.all

function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder){
	this.pausecheck=pause
	this.mouseovercheck=0
	this.delay=delay
	this.degree=20 //initial opacity degree (10%)
	this.curimageindex=0
	this.nextimageindex=1
	fadearray[fadearray.length]=this
	this.slideshowid=fadearray.length-1
	this.canvasbase="canvas"+this.slideshowid
	this.curcanvas=this.canvasbase+"_0"
	this.theimages=theimages
	this.imageborder=parseInt(borderwidth)
	this.postimages=new Array() //preload images
	looptime = theimages.length;
	for (p=0;p<(looptime-1);p++){
		if(theimages[p][0] != "") {
			this.postimages[p]=new Image()
			this.postimages[p].src=theimages[p][0]
		}
	}

	var fadewidth=fadewidth+this.imageborder*2
	var fadeheight=fadeheight+this.imageborder*2

	if (iebrowser&&dom||dom) //Wenn IE5+ oder Neue Browsers-Generation (ie: Firefox)
		document.write('<div id="master'+this.slideshowid+'" style="position:relative;width:'+fadewidth+'px;height:'+fadeheight+'px;overflow:hidden;"><div id="'+this.canvasbase+'_0" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);-moz-opacity:10;-khtml-opacity:10;background-color:'+fadebgcolor+'"></div><div id="'+this.canvasbase+'_1" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);-moz-opacity:10;-khtml-opacity:10;background-color:'+fadebgcolor+'"></div></div>')
	else
		document.write('<div><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'"></div>')

	if (iebrowser&&dom||dom) //Wenn IE5+ oder Neue Browsers-Generation (ie: Firefox)
		this.startit()
	else {
		this.curimageindex++
		setInterval("fadearray["+this.slideshowid+"].rotateimage()", this.delay)
	}
}

function fadepic(obj){
	if (obj.degree<100){
		obj.degree+=10

		// IE/Win
		obj.tempobj.style.filter = "alpha(opacity:"+obj.degree+")";
		// Safari<1.2, Konqueror
		obj.tempobj.style.KHTMLOpacity = obj.degree/100;
		// Older Mozilla and Firefox
		obj.tempobj.style.MozOpacity = obj.degree/100;
		// Safari 1.2, newer Firefox and Mozilla, CSS3
		obj.tempobj.style.opacity = obj.degree/100;

	}
	else {
		clearInterval(fadeclear[obj.slideshowid])
		obj.nextcanvas=(obj.curcanvas==obj.canvasbase+"_0")? obj.canvasbase+"_0" : obj.canvasbase+"_1"
		obj.tempobj=iebrowser? iebrowser[obj.nextcanvas] : document.getElementById(obj.nextcanvas)
		obj.populateslide(obj.tempobj, obj.nextimageindex)
		obj.nextimageindex=(obj.nextimageindex<obj.postimages.length-1)? obj.nextimageindex+1 : 0
		setTimeout("fadearray["+obj.slideshowid+"].rotateimage()", obj.delay)
	}
}

fadeshow.prototype.populateslide=function(picobj, picindex){
	var slideHTML=""
	//Wenn Bildpfad nicht leer
		//Anchor-Tag um das Bild schliessen, falls dieser im Array dem Bild zugeordnet ist.
		if (this.theimages[picindex][1]!="") {
			slideHTML='<a href="'+this.theimages[picindex][1]+'" target="'+this.theimages[picindex][2]+'">'
			slideHTML+='<img src="'+this.postimages[picindex].src+'" border="'+this.imageborder+'px">'
			slideHTML+='</a>'
		} else {
			slideHTML+='<img src="'+this.postimages[picindex].src+'" border="'+this.imageborder+'px">'
		}
	picobj.innerHTML=slideHTML
}


fadeshow.prototype.rotateimage=function(){
//Wenn Maus über Bild soll eine Pause gemacht werden.
	if (this.pausecheck==1)
		var cacheobj=this

	if (this.mouseovercheck==1)
		setTimeout(function(){cacheobj.rotateimage()}, 100)
	else if (iebrowser&&dom||dom){
		this.resetit()
		var crossobj=this.tempobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
		crossobj.style.zIndex++
		fadeclear[this.slideshowid]=setInterval("fadepic(fadearray["+this.slideshowid+"])",50)
		this.curcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_1" : this.canvasbase+"_0"
	}
	else{
		var ns4imgobj=document.images['defaultslide'+this.slideshowid]
		ns4imgobj.src=this.postimages[this.curimageindex].src
	}
	this.curimageindex=(this.curimageindex<this.postimages.length-1)? this.curimageindex+1 : 0
}

fadeshow.prototype.resetit=function(){
	this.degree=1
	var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)

	// IE/Win
	crossobj.style.filter = "alpha(opacity:"+this.degree+")";
	// Safari<1.2, Konqueror
	crossobj.style.KHTMLOpacity = this.degree/100;
	// Older Mozilla and Firefox
	crossobj.style.MozOpacity = this.degree/100;
	// Safari 1.2, newer Firefox and Mozilla, CSS3
	crossobj.style.opacity = this.degree/100;


}
fadeshow.prototype.startit=function(){
	var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
	this.populateslide(crossobj, this.curimageindex)
	if (this.pausecheck==1){ //Wenn die Slideshow bei Mouse Over pausieren soll
		var cacheobj=this
		var crossobjcontainer=iebrowser? iebrowser["master"+this.slideshowid] : document.getElementById("master"+this.slideshowid)
		crossobjcontainer.onmouseover=function(){cacheobj.mouseovercheck=1}
		crossobjcontainer.onmouseout=function(){cacheobj.mouseovercheck=0}
	}
	this.rotateimage()
}