Features for Web 2.0 Websites

Web 2.0 websites typically include some of these features:

• Rich Internet application techniques, often Ajax-based
• Semantically valid XHTML and HTML markup
• Microformats enriching pages with additional semantics
• Folksonomies (in the form of tags or tagclouds, for example)
• Cascading Style Sheets to separate presentation from content
• REST and/or XML- and/or JSON-based APIs
• Syndication, aggregation and notification of data in RSS or Atom feeds
• Mashups, merging content from different sources, client- and server-side
• Weblog publishing tools
• Wiki or forum software, etc., to support user generated content
• OpenID for transferrable user identity
• Use of Open source software, such as the LAMP stack

Using Parent object in Javascript

Using "window.parent" we can access the parent windows elements from iframe window of the same page.

eg: window.parent.document.getElementById('txtname').value