// JavaScript Document

var slideshow_width = '433px'
var slideshow_height = '324px'
var pause = 5000

var fadeimages=new Array()
fadeimages[0] = "imagens/foto0.jpg"
fadeimages[1] = "imagens/foto1.jpg"
fadeimages[2] = "imagens/foto2.jpg"
fadeimages[3] = "imagens/foto3.jpg"
fadeimages[4] = "imagens/foto4.jpg"
fadeimages[5] = "imagens/foto5.jpg"
fadeimages[6] = "imagens/foto6.jpg"

var preloadedimages = new Array()
for (p=0; p < fadeimages.length; p++){
	preloadedimages[p] = new Image()
	preloadedimages[p].src = fadeimages[p]
}

var ie4 = document.all
var dom = document.getElementById

var curpos = 10
var degree = 10
var curcanvas = "canvas0"
var curimageindex = 0
var nextimageindex = 1


function fadepic(){
	if (curpos<100){
		curpos+=10
		if (tempobj.filters)
			tempobj.filters.alpha.opacity=curpos
		else if (tempobj.style.MozOpacity)
			tempobj.style.MozOpacity=curpos/101
	} else {
		clearInterval(dropslide)
		nextcanvas = (curcanvas == "canvas0")? "canvas0" : "canvas1"
		tempobj = ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas)
		tempobj.innerHTML = '<img src="'+fadeimages[nextimageindex]+'">'
		nextimageindex = (nextimageindex<fadeimages.length-1)? nextimageindex+1 : 0
		var tempobj2 = ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas)
		tempobj2.style.visibility = "hidden"
		setTimeout("rotateimage()",pause)
	}
}

function rotateimage(){
	if (ie4||dom){
		resetit(curcanvas)
		var crossobj=tempobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)
		crossobj.style.zIndex++
		tempobj.style.visibility="visible"
		var temp='setInterval("fadepic()",50)'
		dropslide=eval(temp)
		curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0"
	}
	else
	document.images.defaultslide.src=fadeimages[curimageindex]
	curimageindex=(curimageindex<fadeimages.length-1)? curimageindex+1 : 0
}

function resetit(what){
	curpos=10
	var crossobj=ie4? eval("document.all."+what) : document.getElementById(what)
	if (crossobj.filters)
		crossobj.filters.alpha.opacity=curpos
	else if (crossobj.style.MozOpacity)
		crossobj.style.MozOpacity=curpos/101
}

function startit(){
	var crossobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)
	crossobj.innerHTML='<img src="'+fadeimages[curimageindex]+'">'
	rotateimage()
}

if (ie4||dom)
window.onload=startit
else
setInterval("rotateimage()",pause)