/******************************************************************************/
/****************            scrollers javascript              ****************/
/****************              YLC - 13/11/2007                ****************/
/******************************************************************************/
var fctTimeOut;
var margeBas = 20;

function scrollUp(idScroll) {
    var divConteneur = document.getElementById(idScroll);
    var divScroll = document.getElementById("contenu_"+idScroll);
    var posActuelle = parseInt(divScroll.style.top);
    
    if(posActuelle<0) {
        posActuelle += 6;
        divScroll.style.top = posActuelle+"px";
    }   
    //else divScroll.style.top = 0;
}
function scrollDown(idScroll) {
    var divConteneur = document.getElementById(idScroll);
    var divScroll = document.getElementById("contenu_"+idScroll);
    var posActuelle = parseInt(divScroll.style.top);
    
    if(divScroll.offsetHeight+posActuelle+margeBas>divConteneur.offsetHeight) {
        posActuelle -= 6;
        divScroll.style.top = posActuelle+"px";
    }
    //else divScroll.style.top = -(divScroll.offsetHeight-divConteneur.offsetHeight)+"px";
}
function startIntervalUp(idScroll) {
    fctTimeOut = setInterval("scrollUp('"+idScroll+"');", 40);
}
function startIntervalDown(idScroll) {
    fctTimeOut = setInterval("scrollDown('"+idScroll+"');", 40);
}
function stopInterval() {
    clearInterval(fctTimeOut);
}