/***********************************************
* Ultimate Fade-In Slideshow (v1.51): © Dynamic Drive (http://www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/
//var fadebgcolor="black"

////NO need to edit beyond here/////////////
 
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

// JB20090106 synchronised delays
var idmasterinterval = false;

function masterinterval()
{
    for (var c=0; c < fadearray.length; c++) {
        fadearray[c].delay -= 1000;
        if (fadearray[c].delay <= 0)
            fadearray[c].rotateimage()
        //console.log('fader '+fadearray[c].slideshowid+' delay '+fadearray[c].delay)
    }
}
setInterval("masterinterval()", 1000)

 
function fadeshow(theimages, fader_bgcolor, fadewidth, fadeheight, borderwidth, delay, pause, displayorder)
{
    this.pausecheck=pause
    this.mouseovercheck=0
    this.delay=theimages[0][3]
    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]
        this.postimages[p].leftval=theimages[p][4]
        this.postimages[p].topval=theimages[p][5]
    }
 
    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;background:'+fader_bgcolor+'"><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:'+fader_bgcolor+'"></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:'+fader_bgcolor+'"></div></div>')
    else
        document.write('<div style="background:'+fader_bgcolor+'"><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'" style="margin: '+this.postimages[p].topval+' '+this.postimages[p].leftval+';"></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)
        //console.log(obj.slideshowid+" rotate after "+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" style="margin: '+this.postimages[picindex].topval+' '+this.postimages[picindex].leftval+';">'
    if (this.theimages[picindex][1]!="") //if associated link exists for image
        slideHTML+='</a>'
    picobj.innerHTML=slideHTML
    this.delay = this.theimages[picindex][3]
}
 
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()
}

