function create_bookmark(title_override, url_override) {
	var title = document.title;
	if (title_override != null) {
		title = title_override;
	}
	
	var url = location;
	if (url_override != null) {
		url = url_override;
	}

	//alert("title: " + title + "\nurl: " + url);

	if (window.sidebar) {
		//alert("I work like firefox.");
		
		// Mozilla Firefox Bookmark
		window.sidebar.addPanel(title, url, "");
	} else if (window.external) {
		//alert("I work like IE.");
		
		// IE Favorite
		if (typeof window.external.AddFavorite != 'undefined') {
			window.external.AddFavorite(url, title);
		} else {
			// Google Chrome
			var str = "To bookmark this page, please press Ctrl+D (or Command+D on Mac).";
			alert(str);
		}
	} else {
		// Opera, Safari, etc.
		var str = "To bookmark this page, please press Ctrl+D (or Command+D on Mac).";
		alert(str);
	}
}