There’s a new trend in wireless telecommunications, Internet: Internet connectivity via handheld devices. More people are buying wireless handheld devices such as cellular phones, pagers, personal digital assistants (PDAs), and they demand access to onlineresources at any timefromany location. Over thepast few years a tremendous number of wireless devices different in their characteristics appeared on market. Developments of web application for these devices become challenging experience due to the following reasons [1]:

- ?Different markup languages arenecessary, including HTMLfor PDAs, wireless markup language (WML) for wireless application protocol (WAP) cell phones, and compact HTML (cHTML) for Japanese i-mode phones.
- ?Different display capabilities ? screen size (rows and columns) and color capability.
For example, a device with higher resolution can show more information and have better viewing quality. Some devices can display images and multiple colors, some can make phone calls, and others can receive notification messages.
- ?Devices have different network connectivity, ranging from 9.6-KB cellular connections to 11 MB Wireless LANs. The Mobile Internet Toolkit is thesolution that Microsoft has brought forward to help in mobile web development and overcome the difficulties with it

The mobile internet toolkit overview
The Mobile Internet Toolkit makes fast and easy to build and maintain sophisticated mobile Web applications. It prevents developers from writing lots of custom code to support manydevices intheir mobileWeb applications.Thetoolkit extends theMicrosoft Visual Studio.NET and the ASP.NET so that you can build a single mobile Web application that automatically adapts the display and interaction for a wide variety of mobile devices, including Web-enabled cell phones, pagers, and PDAs such as the Pocket PC [2]. The toolkit automatically generates the correct WML, HTML, and cHTML for the requesting device, providing the ability to support over 200 devices. Currently it supports WML 1.1, cHTML 1.0, and HTML 3.2.

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