原始檔如下..

<Script>
org_Color=document.bgColor.substring(1.10)
</script>
<form>
<input type="button" value="淡黃色背景" onClick="document.bgColor='#feffc6'">
<input type="button" value="淺藍色背景" onClick="document.bgColor='#c6fffe'">
<input type="button" value="粉紅色背景" onClick="document.bgColor='#ffc9c6'">
</form>