WIN = (navigator.appVersion.indexOf("Windows")!=-1);
MAC = (navigator.appVersion.indexOf("Machintosh")!=-1);
OTH = !WIN && !MAC;

OPERA = (navigator.userAgent.indexOf("Opera") != -1)
IE4 = (navigator.appName=='Microsoft Internet Explorer') && (parseFloat(navigator.appVersion)>=4) && !OPERA;
IE6 = IE4 && (navigator.appVersion.indexOf("MSIE 6") != -1) && WIN;
IE5 = (IE4 && (navigator.appVersion.indexOf("MSIE 5") != -1) && WIN) || IE6;
NS6 = (navigator.appName=='Netscape') && (parseFloat(navigator.appVersion)>=5);
NS4 = !NS6 && (navigator.appName=='Netscape') && (parseFloat(navigator.appVersion)>=4);
IE4 = IE4 && !IE5 && !IE6;

function AddFavoris() {
	var title = "Astuce beauté : site d'entraide de Conseils Beauté";
	var page = "http://www.astucebeaute.com/";

	if (IE5 || IE6) {
		window.external.AddFavorite(page, title);
	} else if (NS6 && window.sidebar) {
		window.sidebar.addPanel(title, page, ""); 
	} else if (!OPERA) {
		alert("Pour ajouter le Club AstuceBeaute site d'entraide de Conseils Beauté, pressez <CTRL>+D.");
	}
	
	return true;
}

function PopupCentrer(page,largeur,hauteur,options) {
  var top=(screen.height-hauteur)/2;
  var left=(screen.width-largeur)/2;
  window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}