下拉菜单选择颜色，用按钮改变背景色和文字颜色

<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function color() {
document.bgColor=(""+ colc.cc.value +"");
document.body.text=(""+ colc.tc.value +"");
}
//  End -->
</script>
<div align="center">
<form name="colc">
<table border="1">
<td colspan="2">
<b><center>请选择颜色</td><tr><td>
<b>背景色:</td><td><select name="cc" size="1">
    <option value="black">Black
 <option value="blue">Blue
 <option value="green">Green
 <option value="skyblue">Light Blue
 <option value="orange">Orange
 <option value="purple">Purple
 <option value="red">Red
    <option value="silver">Silver
 <option value="Yellow">Yellow
 <option selected value="white">White
    </select></td><tr><td>
<b>文字色:</td><td>
    <select name="tc" size="1">
    <option selected value="black">Black
    <option value="blue">Blue
 <option value="green">Green
 <option value="skyblue">Light Blue
 <option value="orange">Orange
 <option value="purple">Purple
 <option value="red">Red
    <option value="silver">Silver
 <option value="Yellow">Yellow
 <option value="white">White
 </select>
</td><tr><td colspan="2">
<center><input type="button" name="button" value="改变颜色" onclick="color()">
</td>
</table>
</form>
</div>