/***********************************************
* Ultimate Fade-In Slideshow (v1.5): ? 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.
* 	Modified by Wilson Chen, http://Yofun.cn, 2007-7-11
***********************************************/
 
var fadebgcolor="white"
 
////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
 
function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder, istext)
{
	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" && displayorder != null)
		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
	this.rotatetimer = null
	this.istext = istext;
	for(p=0;p<theimages.length;p++)
	{
		if(istext)
		{
			var obj = document.getElementById(theimages[p][0]);
			this.postimages[p] = obj.innerHTML;
		}
		else
		{
			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);-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;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+=2
		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
	{
		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
		obj.rotatetimer = 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]+'">'
	if(this.istext)
		slideHTML += this.postimages[picindex] 
	else
		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()
{
	this.rotatetimer = null
	if(this.pausecheck==1) //if pause onMouseover enabled, cache object
		var cacheobj=this
	if(this.mouseovercheck==1)
		this.rotatetimer = setTimeout(function(){cacheobj.rotateimage()}, 100)
	else if (iebrowser&&dom||dom)
	{
		this.fadelock = true;
		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.showimage=function(idx)
{
	if(idx > this.postimages.length-1)
	{
		alert("index out of range");
		return;
	}
	this.nextimageindex=idx;
	this.curimageindex=idx;
	if(this.rotatetimer != null)
	{
		clearTimeout(this.rotatetimer);
		this.nextcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_0" : this.canvasbase+"_1"
		this.tempobj=iebrowser? iebrowser[this.nextcanvas] : document.getElementById(this.nextcanvas)
		this.populateslide(this.tempobj, this.nextimageindex)
		this.rotateimage();
	}
	else
	{
	}
}

fadeshow.prototype.shownext=function(bNext)
{
	if(this.rotatetimer == null)
		return;
	var idx = 0;
	if(bNext)
	{
		idx = this.curimageindex;
	}
	else 
	{
		idx = (this.curimageindex - 2 + this.postimages.length) % this.postimages.length;
	}
	this.showimage(idx);
}

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=obj.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)//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()
}