var opacity;
var srcImg1, srcImg2, srcImg3;

function chargementAnim()
{
	srcImg1 = Math.floor(Math.random() * 100) % 5+1;
	srcImg2 = Math.floor(Math.random() * 100) % 5+1;
	srcImg3 = Math.floor(Math.random() * 100) % 5+1;
	
	srcImg2 = (srcImg1 == srcImg2) ? ((srcImg2 == 1) ? srcImg2 + 1 : srcImg2 - 1) : srcImg2;
	srcImg3 = (srcImg1 == srcImg3) ? ((srcImg3 == 1) ? srcImg3 + 1 : srcImg3 - 1) : srcImg3;
	srcImg3 = (srcImg2 == srcImg3) ? ((srcImg3 == 1) ? srcImg3 + 1 : srcImg3 - 1) : srcImg3;
	
	document.getElementById("img1").src = "images/img" + srcImg1 + ".gif";
	document.getElementById("img2").src = "images/img" + srcImg2 + ".gif";
	document.getElementById("img3").src = "images/img" + srcImg3 + ".gif";
	
	setTimeout("animation('img1','" + srcImg1 + "')",1000);
	setTimeout("animation('img2','" + srcImg2 + "')",3000);
	setTimeout("animation('img3','" + srcImg3 + "')",5000);
}

function animation (img,src) 
{	
	var oImg = document.getElementById(img);
	oImg.style.filter = "Alpha(opacity=\"100\")";
	src = Math.floor(Math.random() * 100) % 5+1;
	augtransparence(img,src);
}


function augtransparence (img,src)
{
	var oImg = document.getElementById(img);
	
	if (oImg.style.filter.split('"')[1] > 0)
	{
		oImg.style.filter = "Alpha(opacity=\"" + (oImg.style.filter.split('"')[1] - 2) + "\")";
		setTimeout("augtransparence('" + img + "','" + src + "')",20);
	}
	else
	{
		oImg.src = "images/img" + src + ".gif";
		redtransparence(img,src);
	}
	
}

function redtransparence (img,src)
{
	var oImg = document.getElementById(img);
	if (oImg.style.filter.split('"')[1] < 100)
	{
		oImg.style.filter = "Alpha(opacity=\"" + (oImg.style.filter.split('"')[1] + 2) + "\")";
		setTimeout("redtransparence('" + img + "','" + src + "')",20);
	}
	else
	{
		setTimeout("animation('" + img +"','" + src + "')", Math.floor(Math.random() * 12000));
	}
}