var link="";
var numPics=4;
var img=Array();
var img_bg=Array();
var images = new Array(4*numPics);
var o=Array(4);
var imgcount=Array(numPics);
imgcount[1]=0;
imgcount[2]=0;
imgcount[3]=0;
imgcount[4]=0;
var pause=Array(numPics);
pause[1]=0;
pause[2]=0;
pause[3]=0;
pause[4]=0;
function Init(){
	for(i = 1; i <= (numPics*4); i++)
	{
     		images[i] = new Image();
     		//images[i].src = "images/header/swimmer" + i + ".jpg";
     		images[i].src = "images/Rotating/"+picfiles[i-1];
	}
	for(i=1;i<=numPics;i++){
		img_bg[i]=document.getElementById("img_bg"+i);
		img[i]=document.getElementById("img"+i);
		changePic(i);
	}
	setInterval("changePic("+1+")",4000);
	setInterval("changePic("+2+")",4500);
	setInterval("changePic("+3+")",3800);
	setInterval("changePic("+4+")",4300);
}
function changePic(i){
if(pause[i]==1)return;
	imgcount[i]=(imgcount[i]<4)?imgcount[i]+=1:1;
	o[i]=0;
	img_bg[i].style.backgroundImage="url("+img[i].src+")";
	img[i].style.opacity=0;
	img[i].src=images[((i-1)*4)+imgcount[i]].src;
	fadeIt(i)
}
function fadeIt(i){
o[i]+=20;
o[i] = (o[i] == 100)?99.999:o[i];
	img[i].style.opacity=o[i]/100;
	img[i].style.filter="alpha(opacity="+o[i]+")";
	if(o[i]<99){
		setTimeout("fadeIt("+i+")",50);	
	}else{
		img_bg[i].style.backgroundImage="";
	}
}
function picHover(o,idx){
pause[idx]=1;
	var img=document.getElementById("img"+idx);
	if(img.src.indexOf("dephoto")>0){
		tip="Photo used with kind permission of DePhoto.Click to visit their site.";
		link="http://www.dephoto.co.uk";	
	}
	if(img.src.indexOf("london")>0){
		tip="Photo used with kind permission of London Regions.Click to visit their site.";
		link="http://www.londonswimming.org";
	}
	o.title=tip;
}
function picHoverOut(o,idx){
pause[idx]=0;
}
function openLink(){
	window.open(link);
}