function addbookmark(){
if ( navigator.appName != 'Microsoft Internet Explorer' ){
	window.sidebar.addPanel("Tropenmuseumshop.nl","http://www.tropenmuseumshop.nl/","");
	}else{
	window.external.AddFavorite("http://www.tropenmuseumshop.nl/","Tropenmuseumshop.nl");
	}
}