用js封装的时间设置器

<style type="text/css">
body {
background-color: #D4D0C8;
}
.m_frameborder {
border-left: 2px inset #D4D0C8;
border-top: 2px inset #D4D0C8;
border-right: 2px inset #FFFFFF;
border-bottom: 2px inset #FFFFFF;
width: 100px;
height: 19px;
background-color: #FFFFFF;
overflow: hidden;
text-align: right;
font-family: "Tahoma";
font-size: 10px;
}
.m_arrow {
width: 16px;
height: 8px;
font-family: "Webdings";
font-size: 7px;
line-height: 2px;
padding-left: 2px;
cursor: default;
}
.m_input {
width: 18px;
height: 14px;
border: 0px solid black;
font-family: "Tahoma";
font-size: 9px;
text-align: right;
}
</style>

<script language="javascript">
// Written by cloudchen, 2004/03/15
function minute(name,fName) {
this.name = name;
this.fName = fName || "m_input";
this.timer = null;
this.fObj = null;

this.toString = function() {
var objDate = new Date();
var sMinute_Common = "class=/"m_input/" maxlength=/"2/" name=/"" this.fName "/" onfocus=/"" this.name ".setFocusObj(this)/" onblur=/"" this.name ".setTime(this)/" onkeyup=/"" this.name ".prevent(this)/" onkeypress=/"if (!/[0-9]/.test(String.fromCharCode(event.keyCode)))event.keyCode=0/" onpaste=/"return false/" ondragenter=/"return false/" style=/"ime-mode:disabled/"";
var sButton_Common = "class=/"m_arrow/" onfocus=/"this.blur()/" onmouseup=/"" this.name ".controlTime()/" disabled"
var str = "";
str = "<table border=/"0/" cellspacing=/"0/" cellpadding=/"0/">"
str = "<tr>"
str = "<td>"
str = "<div class=/"m_frameborder/">"
str = "<input radix=/"24/" value=/"" this.formatTime(objDate.getHours()) "/" " sMinute_Common ">:"
str = "<input radix=/"60/" value=/"" this.formatTime(objDate.getMinutes()) "/" " sMinute_Common ">:"
str = "<input radix=/"60/" value=/"" this.formatTime(objDate.getSeconds()) "/" " sMinute_Common ">"
str = "</div>"
str = "</td>"
str = "<td>"
str = "<table border=/"0/" cellspacing=/"2/" cellpadding=/"0/">"
str = "<tr><td><button id=/"" this.fName "_up/" " sButton_Common ">5</button></td></tr>"
str = "<tr><td><button id=/"" this.fName "_down/" " sButton_Common ">6</button></td></tr>"
str = "</table>"
str = "</td>"
str = "</tr>"
str = "</table>"