function PopupCentrer(page,largeur,hauteur,options) {
	var x = window.screenX;
	if (isFinite(x)==false){ x=0;}
	var y = window.screenY;
	if (isFinite(y)==false){ y=0;}
	var H = window.outerHeight;
	if (isFinite(H)==false){ H=screen.height;}
	var L = window.outerWidth;
	if (isFinite(L)==false){ L=screen.width;}
	var left = Math.round(x+((L-largeur)/2));
	var top = Math.round(y+((H-hauteur)/2));
 	win =  window.open(page,"popup","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}