Open the SDK click file then new then Symbian Web app:
(http://www.dumpyourphoto.com/files5/136699/NvZRPsHct.png)
Then select basic web app project
(http://www.dumpyourphoto.com/files5/136700/d9uGvl25Jmg0.png)
Fill in the project name and the display name and identifier fill themselves in, also add a version number and tick the enable homescreen if you want a homescreen widget.
(http://www.dumpyourphoto.com/files5/136701/6IHAVvJo5Cx.png)
Now the project is created with some pretty useless code
(http://www.dumpyourphoto.com/files5/136702/amqhVn5f.png)
Once you have played around or added code press the run button to test on the simulator, you can choose different resolutions and WRT types on the device settings on simulator
(http://www.dumpyourphoto.com/files5/136703/NUJxQG3plRS8.png)
Download Web Tools ( this one that supports Symbian) from Here (http://www.developer.nokia.com/info/sw.nokia.com/id/054b94d5-4cdf-4b17-b268-bedcfc421ba6/Nokia_Web_Tools_1_2_for_Symbian.html)