// Détourne les éventuelles erreurs
self.onError = null;

// Amortie
var smoothNess = 0.3;

// Détection navigateur
DOM = (document.getElementById) ? true : false;
NS = (document.layers) ? true : false;
IE = (document.all) ? true : false;
NS6 = DOM && !NS && !IE;

// Dernière position Y du layer
lastScrollY = 0;

valSUP = false;
valINF = true;

// La gestion du layer
function heartBeat() {
        if(IE) { diffY = document.body.scrollTop; }
        if(NS || NS6) { diffY = self.pageYOffset; }

	//if(valSUP && diffY<90) { valINF = true; valSUP = false; }
	//if(valINF && diffY>116) { valSUP = true; valINF = false; }
	//if(valSUP) { diffY = diffY-116}
	//if(diffY>lastScrollY) {versbas=true;vershaut=false;}
	//if(diffY<lastScrollY) {vershaut=true; versbas=false;}

        if(diffY>200 && diffY != lastScrollY) {
                percent = smoothNess * (diffY - lastScrollY);
                if(percent > 0) percent = Math.ceil(percent);
                else percent = Math.floor(percent);
                if(IE) document.all.floatmenu.style.pixelTop += percent;
                if(NS) document.floatmenu.top += percent;
				if(NS6) document.getElementById("floatmenu").style.top = parseInt(document.getElementById("floatmenu").style.top) + percent;
                lastScrollY += percent;
        }
		else
		{
				if (diffY != lastScrollY) {
				percent=0;
                if(IE) document.all.floatmenu.style.pixelTop = percent;
               if(NS) document.floatmenu.top = percent;
				if(NS6) document.getElementById("floatmenu").style.top = percent;
               lastScrollY = diffY;
			}
		}
		
}

// Exécute la fonction toute les millisecondes
if(NS || NS6 || IE) {timeoutID = window.setInterval("heartBeat()",20)}