vB4 Weird error with "-->"
 

Hello,

I have an strange error in a style when people writes a post that contains "-->". Buttons position changes, signature is not shown and all the style gets messed up as seen in the following picture:

http://img443.imageshack.us/img443/8260/capturaws.png

This is how it should be:

http://img248.imageshack.us/img248/7438/capturay.png

Is there some way to fix it? Thanks in advance.