You must install the J2SE Plugin version 1.6.0_25. To install this plugin, (error)

While opening oracle r12 application forms, we get stuck with below error,

In order to access this application, you must install the J2SE Plugin version 1.6.0_25. To install this plugin, click here to download the oaj2se.exe executable. Once the download is complete, double-click the oaj2se.exe file to install the plugin. You will be prompted to restart your browser when the installation is complete.

Eventhough we installed java 6 if we got this error ,

Please add the application domain link to the compatability settings,

Internet explorer > open oracle r12 application url page > select settting/tools > drop down list choose the view compatability settings > add the application domain link > close.

Now it will open oracle forms.