I know this is an old question, but I needed the answer and couldn't find an acceptable solution, so I figured it out.
1) Backup question.php
2) Find the lines (322 & 323 in 1.71+ (5599))that have the javascript call and the one just below that reads:
| Code: |
.$clang->gT("Close this Window")."</a></font><br /><br />n";
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3) Comment out those lines and add a semicolon on a new line to close the statements.
4) Save, upload
This basically comments out the call to print the Close This Window tag and javascript. If you want to comment them out yourself, REMEMBER TO CLOSE THE STATEMENT WITH A SEMICOLON on a non-commented line.
Ondersteuning 
