function bbcode_format($str){
    // Parse BB code
        $simple_search = array(
                                '/\[b\](.*?)\[\/b\]/is',
                                '/\[i\](.*?)\[\/i\]/is',
                                '/\[u\](.*?)\[\/u\]/is',
                                '/\[s\](.*?)\[\/s\]/is',
                                '/\[quote\](.*?)\[\/quote\]/is',
                                '/\[link\=(.*?)\](.*?)\[\/link\]/is',
                                '/\[url\=(.*?)\](.*?)\[\/url\]/is',
                                '/\[color\=(.*?)\](.*?)\[\/color\]/is',
                                '/\[size=small\](.*?)\[\/size\]/is',
                                '/\[size=large\](.*?)\[\/size\]/is',
                                '/\[code\](.*?)\[\/code\]/is',
                                '/\[habbo\=(.*?)\](.*?)\[\/habbo\]/is',
                                '/\[room\=(.*?)\](.*?)\[\/room\]/is',
                                '/\[group\=(.*?)\](.*?)\[\/group\]/is',
                                '/\[img\](.*?)\[\/img\]/is',
                                '/\[spoil\](.*?)\[\/spoil\]/is',
                                '/\[yt\](.*?)\[\/yt\]/is'
                                );
        $simple_replace = array(
                                '<strong>$1</strong>',
                                '<em>$1</em>',
                                '<u>$1</u>',
                                '<s>$1</s>',
                                "<div class='bbcode-quote'>$1</div>",
                                "<a href='$1' target='_blank'>$2</a>",
                                "<a href='$1' target='_blank'>$2</a>",
                                "<font color='$1'>$2</font>",
                                "<font size='1'>$1</font>",
                                "<font size='3'>$1</font>",
                                '<pre>$1</pre>',
                                "<a href='./user_profile.php?id=$1'>$2</a>",
                                "<a onclick=\"roomForward(this, '$1', 'private'); return false;\" target=\"client\" href=\"./client.php?forwardId=2&roomId=$1\">$2</a>",
                                "<a href='./group_profile.php?id=$1'>$2</a>",
                                '<a href="$1" data-lightbox="$1"><img src="$1"/></a>',
                                "<span style=\"background: none repeat scroll 0% 0% rgb(189, 202, 210); color: rgb(189, 202, 210);\" onmouseover=\"this.style.background='#5b7289'\" onmouseout=\"this.style.background='#bdcad2'\">$1</span>",
                                '<center><object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="520" height="315" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"><param name="allowFullScreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="src" value="http://www.youtube.com/v/$1&amp;hl=fr_FR&amp;fs=1" /><param name="allowfullscreen" value="true" /><embed type="application/x-shockwave-flash" width="520" height="315" src="http://www.youtube.com/v/$1&amp;hl=fr_FR&amp;fs=1" allowscriptaccess="always" allowfullscreen="true"></embed></object></center>');
        $str = preg_replace ($simple_search, $simple_replace, $str);
        return $str;
}

function bbcode_restore($str){
    // Parse BB code
        $simple_search = array(
                                '/\[b\](.*?)\[\/b\]/is',
                                '/\[i\](.*?)\[\/i\]/is',
                                '/\[u\](.*?)\[\/u\]/is',
                                '/\[s\](.*?)\[\/s\]/is',
                                '/\[quote\](.*?)\[\/quote\]/is',
                                '/\[link\=(.*?)\](.*?)\[\/link\]/is',
                                '/\[url\=(.*?)\](.*?)\[\/url\]/is',
                                '/\[color\=(.*?)\](.*?)\[\/color\]/is',
                                '/\[size=small\](.*?)\[\/size\]/is',
                                '/\[size=large\](.*?)\[\/size\]/is',
                                '/\[code\](.*?)\[\/code\]/is',
                                '/\[habbo\=(.*?)\](.*?)\[\/habbo\]/is',
                                '/\[room\=(.*?)\](.*?)\[\/room\]/is',
                                '/\[group\=(.*?)\](.*?)\[\/group\]/is',
                '/\[img\](.*?)\[\/img\]/is',
                '/\[yt\](.*?)\[\/yt\]/is'
                                );
        $simple_replace = array(
                                '<strong>$1</strong>',
                                '<em>$1</em>',
                                '<u>$1</u>',
                                '<s>$1</s>',
                                "<div class='bbcode-quote'>$1</div>",
                                "<a href='$1'>$2</a>",
                                "<a href='$1'>$2</a>",
                                "<font color='$1'>$2</font>",
                                "<font size='1'>$1</font>",
                                "<font size='3'>$1</font>",
                                '<pre>$1</pre>',
                                "<a href='./user_profile.php?id=$1'>$2</a>",
                                "<a onclick=\"roomForward(this, '$1', 'private'); return false;\" target=\"client\" href=\"./client.php?forwardId=2&roomId=$1\">$2</a>",
                                "<a href='./group_profile.php?id=$1'>$2</a>",
                '<a href="$1" data-lightbox="$1"><img src="$1"/></a>',
                '<center><object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="520" height="315" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"><param name="allowFullScreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="src" value="http://www.youtube.com/v/$1&amp;hl=fr_FR&amp;fs=1" /><param name="allowfullscreen" value="true" /><embed type="application/x-shockwave-flash" width="520" height="315" src="http://www.youtube.com/v/$1&amp;hl=fr_FR&amp;fs=1" allowscriptaccess="always" allowfullscreen="true"></embed></object></center>');
        $str = preg_replace ($simple_replace, $simple_search, $str);
        return $str;
}