This interface is a manager that can get information about Java
 installations.
[scriptable, uuid(ca29fff1-a677-493c-9d80-3dc60432212b)]
interface nsIJVMConfigManager : nsISupports

Methods

 This function returns a list of existing Java installations.
nsIArray getJVMConfigList() 
 This function tells the browser to use a specific Java installation.
void setCurrentJVMConfig(in nsIJVMConfig jvmConfig)