ti sistemo il codice e ti metto un esempio
codice:
<script language="JavaScript">
function FormatTextShort(command, option){
document.execCommand(command, true, option);
NomeForm.messaggio.focus();
}
</script>
<form name="NomeForm">
<select name="selectShortText" onChange="FormatTextShort('FontName', this.options[this.selectedIndex].value);this.options[0].selected = true;" >
<option value="0" selected>-- Font Type --</option>
<option value="Arial, Helvetica, sans-serif">Arial</option>
<option value="Times New Roman, Times, serif">Times</option>
<option value="Courier New, Courier, mono">Courier New</option>
<option value="Verdana, Arial, Helvetica, sans-serif">Verdana</option>
</select>
<select name="selectShortFontSize" onChange="FormatTextShort('FontSize', this.options[this.selectedIndex].value);this.options[0].selected = true;" >
<option value="0" selected>-- Font Size --</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
</select>
<select name="selectShortFontColour" onChange="FormatTextShort('ForeColor', this.options[this.selectedIndex].value);this.options[0].selected = true;" >
<option value="0" selected>-- Font Colour --</option>
<option value="black">Black</option>
<option value="white">White</option>
<option value="blue">Blue</option>
<option value="red">Red</option>
<option value="green">Green</option>
<option value="yellow">Yellow</option>
<option value="orange">Orange</option>
<option value="brown">Brown</option>
<option value="magenta">Magenta</option>
<option value="cyan">Cyan</option>
<option value="limegreen">Lime Green</option>
</select>
<font color="#FFFFFF">
<input type="hidden" name="id_risposta" value="<%=id%>">
<textarea name="messaggio" rows="10" style="width: 500"></textarea>
</font>
<input name="submit" type="submit" value="Rispondi" style="height: 17px; color: #000000; background-color: #99CC00; border-top : 1px solid; border-bottom : 1px solid; border-left : 1px solid; border-right : 1px solid; border-color: #ffffff; font-family : Verdana,tahoma,Arial; font-size : 10px; font-weight: bold;">
</form>
questo testo puoi formattarlo
<div contenteditable=true>questo testo puoi editarlo e formattarlo</div>
quota il messaggio e copia dalla textarea quello che sta tra [code] e [/code]