function popup(largeur,hauteur,id_recru,options) {
	var top = (screen.height-hauteur)/2;
	var left = (screen.width-largeur)/2;
	window.open("recru"+id_recru+".php","","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}
function popupcentre(url,largeur,hauteur,options) {
	var top = (screen.height-hauteur)/2;
	var left = (screen.width-largeur)/2;
	var self = window.open(url,"Popup","top="+top+",left="+left+",width="+largeur+",height="+hauteur+", scrollbars = yes,"+options);
	self.focus();
}