function OpenCenterPopUp(url,nom,largeur,haut){
	var Height=screen.height;
	var Left=(screen.width - largeur)/2;
	var Configuration="'width=435, height="+Height+", top="+haut+", left=10, toolbar=no, menubar=no, location=no, resizable=no, scrollbars=yes, status=no'";
	window.open(url,nom,Configuration);
}
function ouvrirPopup(pFichier, nom, pLargeur){
	var posX = (screen.width / 2) - (pLargeur / 2);
	var posY = screen.height;
	window.open(pFichier,nom,"width = " + pLargeur + ", height = " + posY + ", left = " + posX + ", top = 0, toolbar=no, menubar=no, location=no, resizable=no, scrollbars=yes, status=no");
}