Download Hot-fix from Microsoft, In particular, if you are using Windows Vista with UAC enabled, make sure to extract the patch to a directory other than “c:\” (otherwise you’ll see an access denied error).
To verify that this hot-fix patch successfully installed, launch VS 2008 and select the Help->About menu item. Make sure that there is an entry that says ‘Hotfix for Microsoft Visual Studio Team System 2008 Team Suite – ENU (KB946581)’.
If you ever want to remove the patch, go to Control Panel -> Add/Remove Programs and select “Hotfix for Microsoft Visual Studio 2008 – KB946581” under Microsoft Visual Studio 2008 (or Visual Web Developer Express 2008) and click “Remove”.
Now download jquwey-1.2.6-intellisense.js.
Just reference in your web page , you are ready to go.