How-to use links and launch the browser from a WRT widget
Best way to use links within S60 WRT widgets is
The issue with the link is that if a widget's content contains a link to open an URI from the Internet, the new HTML page will be loaded to replace the widget's main HTML page. After this, there is no way to get back to the widget main page. In other words, this means that open a new HTML page within a widget with a normal tag such as shown below will decrease the end user experience of widgets.