﻿/*
///  Will display and rotate a few images with fade       
///   usage:
///  <td valign="top">
///    <center>
///      <script type="text/javascript">
///         new fadeshow(IMAGES_ARRAY_NAME, slideshow_width, slideshow_height, borderwidth, delay, pause (0=no, 1=yes), optionalRandomOrder)
///        new fadeshow(fadeimages2, 140, 80, 0, 3000, 0)
///      </script>
///    </center>
///  </td>
///   add an array like this with the images to swap
///      var fadeimages2=new Array() 
///                      <image>            <link> <target>
///      fadeimages2[0]=["images/amex.jpg", "",    ""] 
///      ...
///      fadeimages2[9]=["images/uky.jpg", "", ""] 
///      ----------
///      also generated with < scripts/javascript.aspx?fade=fade?width=xx&height=yy&loc=xx />
*/
    var fadebgcolor="transparent"
    var fadearray=new Array() 
    var fadeclear=new Array() 
     
    var dom=(document.getElementById) 
    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 
        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
        this.imageborder=parseInt(borderwidth)
        this.postimages=new Array() 
        
        for (p=0;p<theimages.length;p++){
            this.postimages[p]=new Image()
            this.postimages[p].src=theimages[p][0]  // the first element on the parameter matrix/array
            }         
        fadewidth=fadewidth+this.imageborder*2
        fadeheight=fadeheight+this.imageborder*2
         
        if (iebrowser&&dom||dom) 
            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) 
            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") 
                obj.tempobj.filters[0].opacity=obj.degree
            else 
                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]!="") 
            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]!="") 
            slideHTML+='</a>'
        picobj.innerHTML=slideHTML
        }
     
    fadeshow.prototype.rotateimage=function(){
        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=10
        var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
        if (crossobj.filters&&crossobj.filters[0]){
            if (typeof crossobj.filters[0].opacity=="number") 
                crossobj.filters(0).opacity=this.degree
            else 
                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){ 
            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()
        }

