var fadeimages=new Array()
// url van foto, link, target
fadeimages[0]=["img/sponsor_grolsch.png", "http://www.grolsch.nl", "_blank"]; 
fadeimages[1]=["img/sponsor_leiden.png", "http://www.leiden.nl", "_blank"];
fadeimages[2]=["img/sponsor_velvet.png", "http://www.velvetmusic.nl", "_blank"];
fadeimages[3]=["img/sponsor_nfvp.png", "http://www.nfpk.nl", "_blank"];
fadeimages[4]=["img/sponsor_huurmaat.png", "http://www.huurmaat.nl", "_blank"];
fadeimages[5]=["img/sponsor_mediadesign.png", "http://www.mediadesign.nl", "_blank"];
fadeimages[6]=["img/sponsor_deltarent.png", "http://www.deltarent.nl", "_blank"];
fadeimages[7]=["img/sponsor_rioolnl.png", "http://www.riool.nl", "_blank"];
fadeimages[8]=["img/sponsor_portaal.png", "http://www.portaal.nl", "_blank"];
fadeimages[9]=["img/sponsor_audioleiden.png", "http://www.audioleiden.nl", "_blank"];

var fadebgcolor="white";

var fadearray=new Array(); //array to cache fadeshow instances
var fadeclear=new Array(); //array to cache corresponding clearinterval pointers

var dom=(document.getElementById) //modern dom browsers
var iebrowser=document.all

function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder){
this.pausecheck=pause
this.mouseovercheck=0
this.delay=delay
this.degree=10 //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"
if (typeof displayorder!="undefined")
theimages.sort(function() {return 0.5 - Math.random();}) //thanks to Mike (aka Mwinter) :)
this.theimages=theimages
this.imageborder=parseInt(borderwidth)
this.postimages=new Array() //preload images

for (p=0;p<theimages.length;p++)
{
	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) //if IE5+ or modern browsers (ie: Firefox)
	document.write('<div id="master'+this.slideshowid+'" style="z-index:1;position:relative;width:'+fadewidth+'px;height:'+fadeheight+'px;overflow:hidden;margin:0;padding:0;border:none"><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);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;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);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div></div>')
else
	document.write('<div><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'"></div>')
		
	if (iebrowser&&dom||dom) //if IE5+ or modern browsers such as Firefox
		this.startit()
	else
	{
		this.curimageindex++
		setInterval("fadearray["+this.slideshowid+"].rotateimage()", this.delay)
	}
}
					 
					 function fadepic(obj){
					 if (obj.degree<100){
							     obj.degree+=10
							     if (obj.tempobj.filters&&obj.tempobj.filters[0]){
							     if (typeof obj.tempobj.filters[0].opacity=="number") //if IE6+
							     obj.tempobj.filters[0].opacity=obj.degree
							     else //else if IE5.5-
							     obj.tempobj.style.filter="alpha(opacity="+obj.degree+")"
							     }
							     else if (obj.tempobj.style.MozOpacity)
							     obj.tempobj.style.MozOpacity=obj.degree/101
							     else if (obj.tempobj.style.KhtmlOpacity)
							     obj.tempobj.style.KhtmlOpacity=obj.degree/100
							     else if (obj.tempobj.style.opacity&&!obj.tempobj.filters)
							     obj.tempobj.style.opacity=obj.degree/101
							     }
							     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=""
										if (this.theimages[picindex][1]!="") //if associated link exists for image
										slideHTML='<a href="'+this.theimages[picindex][1]+'" target="'+this.theimages[picindex][2]+'">'
										slideHTML+='<img src="'+this.postimages[picindex].src+'" border="'+this.imageborder+'px">'
										if (this.theimages[picindex][1]!="") //if associated link exists for image
										slideHTML+='</a>'
									picobj.innerHTML=slideHTML
									}
									
									
									fadeshow.prototype.rotateimage=function(){
									if (this.pausecheck==1) //if pause onMouseover enabled, cache object
									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=10
										var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
										if (crossobj.filters&&crossobj.filters[0]){
										if (typeof crossobj.filters[0].opacity=="number") //if IE6+
										crossobj.filters(0).opacity=this.degree
										else //else if IE5.5-
										crossobj.style.filter="alpha(opacity="+this.degree+")"
										}
										else if (crossobj.style.MozOpacity)
										crossobj.style.MozOpacity=this.degree/101
										else if (crossobj.style.KhtmlOpacity)
										crossobj.style.KhtmlOpacity=this.degree/100
										else if (crossobj.style.opacity&&!crossobj.filters)
										crossobj.style.opacity=this.degree/101
										}
										
										
										fadeshow.prototype.startit=function(){
										var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
										this.populateslide(crossobj, this.curimageindex)
										if (this.pausecheck==1){ //IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER
										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()
										}