Download or subscribe to hCalendar (What is hCalendar?) events
Drag this link: Get hCalendar to your browser's links toolbar (sometimes called a "Bookmarks Toolbar") and download hCalendar events from webpages you're viewing by clicking it in your toolbar.
And drag this link: Subscribe to hCalendar to your links toolbar and one-click subscribe to hCalendar events from webpages to your calendar program.