var baseopacity=30

function slowhigh(which2)
{
	imgobj=which2
	browserdetect=which2.filters? "ie" : typeof which2.style.MozOpacity=="string"? "mozilla" : ""
	instantset(baseopacity)
	highlighting=setInterval("gradualfade(imgobj)",50)
}

function slowlow(which2)
{
	cleartimer()
	instantset(baseopacity)
}

function instantset(degree)
{
	if (browserdetect=="mozilla")
	imgobj.style.MozOpacity=degree/100
	else if (browserdetect=="ie")
	imgobj.filters.alpha.opacity=degree
}

function cleartimer()
{
	if (window.highlighting) clearInterval(highlighting)
}

function gradualfade(cur2)
{
	if (browserdetect=="mozilla" && cur2.style.MozOpacity<1)
	cur2.style.MozOpacity=Math.min(parseFloat(cur2.style.MozOpacity)+0.1, 0.99)
	else if (browserdetect=="ie" && cur2.filters.alpha.opacity<100)
	cur2.filters.alpha.opacity+=10
	else if (window.highlighting)
	clearInterval(highlighting)
}


<!-- DEBUT DU SCRIPT -->
/*
SCRIPT EDITE SUR L'EDITEUR JAVASCRIPT
http://www.editeurjavascript.com
*/
nav = navigator.appVersion.substring(0,3);
function CalculHeure()
	{
	Maintenant = new Date;
	TempMaintenant = Maintenant.getTime();
Future = new Date(2007, 11, 01);
TempFuture = Future.getTime();
	zero = "";	DinaHeure = Math.floor(((TempFuture-TempMaintenant)/1000)+64800);
	DinaHeure = "" + DinaHeure;
	if (DinaHeure <= 0)
		{
		DinaHeure = "0";
		}
	longe = DinaHeure.length;
	difflonge = 10-longe;
	i = 1;
while (i <= difflonge)
		{
		DinaHeure = "0"+DinaHeure;
		i++;
		}
		return;
	}
CalculHeure();
if (nav >= 4)
{
i0 = new Image;
i1 = new Image;
i2 = new Image;
i3 = new Image;
i4 = new Image;
i5 = new Image;
i6 = new Image;
i7 = new Image;
i8 = new Image;
i9 = new Image;
imgSrc = new Array;
imgSrc[0] = 'images/rebours/h0.gif';
imgSrc[1] = 'images/rebours/h1.gif';
imgSrc[2] = 'images/rebours/h2.gif';
imgSrc[3] = 'images/rebours/h3.gif';
imgSrc[4] = 'images/rebours/h4.gif';
imgSrc[5] = 'images/rebours/h5.gif';
imgSrc[6] = 'images/rebours/h6.gif';
imgSrc[7] = 'images/rebours/h7.gif';
imgSrc[8] = 'images/rebours/h8.gif';
imgSrc[9] = 'images/rebours/h9.gif';
i0.src = imgSrc[0];
i1.src = imgSrc[1];
i2.src = imgSrc[2];
i3.src = imgSrc[3];
i4.src = imgSrc[4];
i5.src = imgSrc[5];
i6.src = imgSrc[6];
i7.src = imgSrc[7];
i8.src = imgSrc[8];
i9.src = imgSrc[9];
}
function Rebour()
{
if (nav >= 4)
{
CalculHeure()
char1 = DinaHeure.charAt(0);
document.heure1.src = imgSrc[char1];
char2 = DinaHeure.charAt(1);
document.heure2.src = imgSrc[char2];
char3 = DinaHeure.charAt(2);
document.heure3.src = imgSrc[char3];
char4 = DinaHeure.charAt(3);
document.heure4.src = imgSrc[char4];
char5 = DinaHeure.charAt(4);
document.heure5.src = imgSrc[char5];
char6 = DinaHeure.charAt(5);
document.heure6.src = imgSrc[char6];
char7 = DinaHeure.charAt(6);
document.heure7.src = imgSrc[char7];
char8 = DinaHeure.charAt(7);
document.heure8.src = imgSrc[char8];
char9 = DinaHeure.charAt(8);
document.heure9.src = imgSrc[char9];
char10 = DinaHeure.charAt(9);
document.heure10.src = imgSrc[char10];
char11 = DinaHeure.charAt(10);
}
temporebour = setTimeout("Rebour()", 1000)
}
window.onload=Rebour;
<!-- FIN DU SCRIPT -->