ББ-коды для uCoz [ 1 2 ]

 <script type="text/javascript" src="http://csplug-ins.ru/templates/csplug-ins/js/table_bb_code.js"></script>

.blue {border:1px solid #9DBDFF;background-color:#E1EBFF;padding:8px 11px;font-size:10pt;margin:0px;color:#000;}
.red {border:1px solid #E89B88;background-color:#FFEFE8;padding:8px 11px;font-size:10pt;margin:0px;color:#000;}
.green {border:1px solid #00CC00;background-color:#E1FFD7;padding:8px 11px;font-size:10pt;margin:0px;color:#000;}
.gray {border:1px solid #B5B5B5;background-color:#F4F4F4;padding:8px 11px;font-size:10pt;margin:0px;color:#000;}

<input value="RED" onclick="simpletag('red','','','message','')" class="codeButtons" id="red" type="button">
<input value="GRAY" onclick="simpletag('gray','','','message','')" class="codeButtons" id="gray" type="button">
<input value="GREEN" onclick="simpletag('green','','','message','')" class="codeButtons" id="green" type="button">
<input value="BLUE" onclick="simpletag('blue','','','message','')" class="codeButtons" id="blue" type="button">
где, message - имя вашего поля textarea.