// slideshow script
var ssimages=new Array()
ssimages[0]="images/ss0.jpg"
ssimages[1]="images/ss1.jpg"
ssimages[2]="images/ss2.jpg"
ssimages[3]="images/ss3.jpg"
ssimages[4]="images/ss4.jpg"
ssimages[5]="images/ss5.jpg"
ssimages[6]="images/ss6.jpg"

var ssbgcolor="white"

var ssarray=new Array()
var ciarray=new Array()

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

function slideshow(theimages, sswidth, ssheight, delay)
{
	this.delay=delay
	this.degree=10 //initial opacity degree (10%)
	this.curimageindex=0
	this.nextimageindex=1
	ssarray[ssarray.length]=this
	this.slideshowid=ssarray.length-1
	this.canvasbase="canvas"+this.slideshowid
	this.curcanvas=this.canvasbase+"_0"
	this.theimages=theimages
	this.postimages=new Array() //preload images
	for (p=0;p<theimages.length;p++)
	{
		this.postimages[p]=new Image()
		this.postimages[p].src=theimages[p]
	}

	if (iebrowser&&dom||dom) //if IE5+ or modern browsers (ie: Firefox)
	{
		document.write('<div id="master'+this.slideshowid+'" style="position:relative;width:'+sswidth+'px;height:'+ssheight+'px;overflow:hidden;"><div id="'+this.canvasbase+'_0" style="position:absolute;width:'+sswidth+'px;height:'+ssheight+'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:'+ssbgcolor+'"></div><div id="'+this.canvasbase+'_1" style="position:absolute;width:'+sswidth+'px;height:'+ssheight+'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:'+ssbgcolor+'"></div></div>')
		this.startit()
	}
	else
	{
		document.write('<div><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'"></div>')
		this.curimageindex++
		setInterval("ssarray["+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(ciarray[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.tempobj.innerHTML='<img src="'+obj.postimages[obj.nextimageindex].src+'" border="0">'
		obj.nextimageindex=(obj.nextimageindex<obj.postimages.length-1)? obj.nextimageindex+1 : 0
		setTimeout("ssarray["+obj.slideshowid+"].rotateimage()", obj.delay)
	}
}

slideshow.prototype.rotateimage=function()
{
	if (iebrowser&&dom||dom)
	{
		this.resetit()
		var crossobj=this.tempobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
		crossobj.style.zIndex++
		ciarray[this.slideshowid]=setInterval("fadepic(ssarray["+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
}

slideshow.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
}


slideshow.prototype.startit=function()
{
	var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
	crossobj.innerHTML='<img src="'+this.postimages[this.curimageindex].src+'" border="0">'
	this.rotateimage()
}