var fadebgcolor="transparent"
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
//var delay

function fadeshow(theimages, fadewidth, fadeheight){
    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();})
    
    this.theimages=theimages
    //delay=this.theimages[0][2]  //delay
    this.imageborder=0  //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="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);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()", 7000) //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])
        setTimeout("fadearray["+obj.slideshowid+"].rotateimage()", obj.theimages[(obj.curimageindex-1>=0)? obj.curimageindex-1 : obj.postimages.length-1][2]) //delay)
        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
    }
}
 
fadeshow.prototype.populateslide=function(picobj, picindex){
    var slideHTML = ""
    try {
        slideHTML = '<a href="showad.aspx?id=' + this.theimages[picindex][1] + '&di=0" target="_blank">'
        slideHTML += '<img src="' + this.postimages[picindex].src + '" border="0">'
        slideHTML += '</a>'
        picobj.innerHTML = slideHTML
    }
    catch(e) { }
}
 
fadeshow.prototype.rotateimage=function(){
    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
    }
    //delay=this.theimages[this.curimageindex][2]
    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)
    this.rotateimage()
}