x = 0;
	y = 0;
	nx = 1;
	ny = 1;
	vitesse = 50;
	function trajet() {
		document.getElementById("move").style.left = x+"px";
		document.getElementById("move").style.top = y+"px";
		max_x = 720;
		max_y = 30;
		if (y >= max_y) ny = -1;
		if (x >= max_x) {nx = -1; document.getElementById("abeille").src = "./images/site/abeiller.gif";}
		if (y <= 0) ny = 1;
		if (x <= 150) {nx = 1; document.getElementById("abeille").src = "./images/site/abeille.gif";}
		x += nx;
		y += ny;
		setTimeout('trajet()',vitesse);
	}