var $defiler = 1;

function defile() {
 	var largeur = 600; //width=largeur
 	var hauteur = 120; //height=hauteur

 	var b1 = document.getElementById('bloc1');
 	var b2 = document.getElementById('bloc2');
 	var width = b1.offsetWidth;

 	if($defiler >0){
 		b1.style.left = parseInt(b1.style.left)-1 + 'px';
 	}

 	document.getElementById('banniere').style.width = largeur + "px";
 	document.getElementById('banniere').style.defile = 'rect(auto,'+ largeur +'px,' + hauteur +'px,auto)';
 	b2.style.display = '';
 	if(parseFloat(b1.style.left) <= -(width)) {
  		b1.style.left = '0px';
 	}
 	b2.style.left = parseInt(b1.style.left) + width -1 + 'px';
	
 	setTimeout(defile,10)
}

function arreter() {
	$defiler = 0;
}

function repartir() {
	$defiler = 1;
}

function addLoadEvent(func) {
	window.onload = func;
}

addLoadEvent(function() {
  defile();
});