/*--------------------------------------------
Script (C) Steve Chipman
http://slayeroffice.com/code/imageCrossFade/
--------------------------------------------*/
var currentPhoto = 0;
var secondPhoto = 1;

var currentOpacity = new Array();
//var imageArray = new Array("style/rotate/1.jpg","style/rotate/2.jpg");

var FADE_STEP = 2;
var FADE_INTERVAL = 100;
var pause = false;

function init() {
	currentOpacity[0]=99;
	document.write('<a href="javascript:doPause();" id="pauseBtn" title="Stop animation">Stop</a>');
	for(i=1;i<imageArray.length;i++)currentOpacity[i]=0;
	mHTML="";
	for(i=0;i<imageArray.length;i++)mHTML+="<div id=\"photo\" name=\"photo\" class=\"mPhoto\"><img src=\"" + imageArray[i]  +"\"></div>";
	document.getElementById("mContainer").innerHTML = mHTML;

	if(document.all) {
		document.getElementsByName("photo")[currentPhoto].style.filter="alpha(opacity=100)";
	} else {
		document.getElementsByName("photo")[currentPhoto].style.MozOpacity = .99;
	}

	mInterval = setInterval("crossFade()",FADE_INTERVAL);
}

function crossFade() {
	if(pause)return;

	currentOpacity[currentPhoto]-=FADE_STEP;
	currentOpacity[secondPhoto] += FADE_STEP;

	if(document.all) {
		document.getElementsByName("photo")[currentPhoto].style.filter = "alpha(opacity=" + currentOpacity[currentPhoto] + ")";
		document.getElementsByName("photo")[secondPhoto].style.filter = "alpha(opacity=" + currentOpacity[secondPhoto] + ")";
	} else {
		document.getElementsByName("photo")[currentPhoto].style.opacity = currentOpacity[currentPhoto]/100;
		document.getElementsByName("photo")[secondPhoto].style.opacity =currentOpacity[secondPhoto]/100;
	}

	if(currentOpacity[secondPhoto]/100>=.98) {
		currentPhoto = secondPhoto;
		secondPhoto++;
		if(secondPhoto == imageArray.length)secondPhoto=0;
		pause = true;
		xInterval = setTimeout("pause=false",2000);
	}
}


function doPause()  {
	var cont = document.getElementById("mContainer");
	var pauseBtn = document.getElementById("pauseBtn");
	var im = cont.getElementsByTagName('img');
	var imC = im.length;
	if(pause) {
		pause = false;
		pauseBtn.firstChild.data = "Pause";
		pauseBtn.setAttribute('title', 'Pause animation');
	} else {
		pause = true;
		currentPhoto = 0;
		secondPhoto = 1;
		pauseBtn.firstChild.data = "Play";
		pauseBtn.setAttribute('title', 'Start animation');
	}
}