The editor is a Java Applet compatible with JDK 1.4 or later. However, to use the actions open, paste, and insert_clipart the user needs Java 1.6 Update 10 or later on his/her computer.
Read more details about "open file" here.
If you specified the parameter "jnlp_href" and wonder whether plugin2 is actually available
call the applet's method getParameter("plugin2").
If the plugin2 is available the method returns "true" (string value),
otherwise it returns null.
IIS-7 returns the HTTP response "404 Not found" for all unknown file types.
In particular, IIS-7 doesn't know (by default) .jnlp files,
which results in errors while loading java applets.
To resolve the issue define the following MIME type for .jnlp files:
application/x-java-jnlp-file
If you don't know how to do it please ask your system Administrator.
The applet has been succesfully tested on the following platforms and browsers:
Regardless of the successful tests the Author is not responsible for correct operation of the applet on any particular platform including the listed above.