function bookmarkPage( ) {
	var user_agent = navigator.userAgent.toLowerCase();
	var url = document.location;
	
	if (user_agent.indexOf('opera') != -1) {
		if(user_agent.indexOf('9.') != -1) {
			alert('Click OK, then press Ctrl-D on your keyboard');
		} else {
			alert('Click OK, then press Ctrl-T on your keyboard');
		}
	} else if (user_agent.indexOf('safari') != -1) {
		alert('Click OK, then press Command-D on your keyboard');
	} else if (user_agent.indexOf('mac_powerpc') != -1) {
		alert('Click OK, then press Command-D on your keyboard');
	} else if( window.external.AddFavorite ) {
		// IE Favorite
		window.external.AddFavorite( document.location, document.title); 
	} else if (window.sidebar) {
		window.sidebar.addPanel(document.title, url, "");
	} else {
		alert('Click OK, then press Ctrl-D on your keyboard');
	}
}