var scrollSpeed = cache = 2;
var divActu  = "prompteur_actu";

//Délai initial avant que le défilement ne démarre (en milisecondes):
var initialDelay = 100;

function initScroller() {
    object = document.getElementById(divActu);
    if ( object) {
        
	object.style.left = "477px";
        setTimeout("getObjectWidth()", initialDelay);
    }
}

function getObjectWidth() {
    width = object.offsetWidth;
    if (width == 0) {
        setTimeout("getObjectWidth()", 10);
    }
    else {
        scrollDiv();
    }
}

function scrollDiv() {
    object.style.left = parseInt(object.style.left) - scrollSpeed + "px";
    
    if (parseInt(object.style.left) < width *(-1)) {
        object.style.left = "477px";
    }
    
    setTimeout("scrollDiv()", 80);
}

if (window.addEventListener) {
    window.addEventListener("load", initScroller, false);
}
else if (window.attachEvent) {
    window.attachEvent("onload", initScroller);
}
else {
    window.onload = initScroller;
}