var mrMac = (navigator.userAgent.indexOf('Mac') != -1);

var currentPhoto = 0;
var secondPhoto = 1;

var currentOpacity = new Array();
var imageArray = new Array("images/common/sailing school sydney 39.gif",
             
						  "images/common/sailing school sydney 24.jpg",
							"images/common/sailing school sydney 25.jpg",
							"images/common/sailing school sydney 26.jpg",
							"images/common/sailing school sydney 27.jpg",
							"images/common/sailing school sydney 28.jpg",
              "images/common/sailing school sydney 29.jpg",
							"images/common/sailing school sydney 30.gif",
					
							"images/common/sailing school sydney 32.gif",
							"images/common/sailing school sydney 33.gif",
							"images/common/sailing school sydney 34.gif",
							"images/common/sailing school sydney 35.gif",
							
						
							"images/common/sailing school sydney 37.gif",
							"images/common/sailing school sydney 38.gif"
							
						
							
							
                                                        
                                                       
                                                       
                                                     											
							);

var FADE_STEP = 8;
var FADE_INTERVAL = 1;

var pause = false;

/*
var ran_unrounded=Math.random()*(imageArray.length-2);
var ran_number=Math.round(ran_unrounded); 

currentPhoto = ran_number;

if((currentPhoto+1) >= imageArray.length)
{
	secondPhoto = 0;
}
else
{
	secondPhoto = currentPhoto + 1;
}
*/

function init() {

	currentOpacity[0]=99;
	for(i=1;i<imageArray.length;i++)currentOpacity[i]=0;
	mHTML="";
	for(i=0;i<imageArray.length;i++)
	{
		if (mrMac)
			mHTML+="<div id=\"photo\" name=\"photo\" class=\"mPhoto\" style=\"display:none;\"><img src=\"" + imageArray[i]  +"\"></div>";
		else
			mHTML+="<div id=\"photo\" name=\"photo\" class=\"mPhoto\" style=\"-moz-opacity:0.0;Filter:Alpha(Opacity=0);-khtml-opacity:0.00;\"><img src=\"" + imageArray[i]  +"\"></div>";
	}

	document.getElementById("mContainer").innerHTML = mHTML;

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

function crossFade() {
	if(pause)return;
	
	currentOpacity[currentPhoto]-=FADE_STEP;
	currentOpacity[secondPhoto] += FADE_STEP;

	if (!mrMac)
	{
		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.MozOpacity = currentOpacity[currentPhoto]/100;
			document.getElementsByName("photo")[secondPhoto].style.MozOpacity = currentOpacity[secondPhoto]/100;
		}
	}
	else
	{
		document.getElementsByName("photo")[currentPhoto].style.display = "none";
		document.getElementsByName("photo")[currentPhoto].style.KhtmlOpacity = currentOpacity[currentPhoto]/100;
				
		document.getElementsByName("photo")[secondPhoto].style.display  = "block";
		document.getElementsByName("photo")[secondPhoto].style.KhtmlOpacity  = currentOpacity[secondPhoto]/100;
	}
	
	if(currentOpacity[secondPhoto]/100>=.98) {
		currentPhoto = secondPhoto;
		secondPhoto++;
		if(secondPhoto == imageArray.length)secondPhoto=0;
		pause = true;
		xInterval = setTimeout("pause=false",4000);
	}
}

function doPause()  {
	if(pause) {
		pause = false;
		document.getElementById("pauseBtn").value = "pause";
	} else {
		pause = true;
		document.getElementById("pauseBtn").value = "play";
	}
}