Improvement: automatic insertion of Forum UBB Code

At present, when the ubb of the iecn forum is automatically inserted, the inserted content is always added to the end of the article, which is inconvenient to use. I just improved it.
Improved code referenceRiverPreviously pasted JS.RiverThank you very much ^

After improvement:
1. You canCurrent cursorInsert the corresponding UBB Code
2. You canCurrently selected contentInsert the corresponding UBB code at the beginning and end.
3. Browser: IE 5.0 +, FireFox 1.06 +, Opera8.5 +

Related JS Code:
Http://cnlei.iecn.net/mycode/ubb4iecn/ubb4iecn.js

Related HTML code:
Http://cnlei.iecn.net/mycode/ubb4iecn/write_ubb.html

Complete page:
Http://cnlei.iecn.net/mycode/ubb4iecn/write.html

Reference::
Http://www.iecn.net/bbs/view/101436.html

For the code, please directly read the file of the above demo link. You cannot paste-_-in the Forum -_-