因为要做一个日历控件，遇到国家法定节假日，日历颜色会改变，因为除夕是每年农历的最后一天，日期又不确定，不像春节1月1号，端午5月5号，中秋8月15，这些都有明确的日期，而除夕没有，只是最后一天，我如何在JS中判断当天是否是除夕，从而改变日历的颜色。
求大牛，求大神
------解决方案--------------------
<body lang="zh" onload="initial()">
<!--内容 开始-->
<div class="CAL_wid">
<div class="CAL_LN"><div class="CAL_Az"></div><a href="javascript:void(0)" class="CAL_A1" onclick="pushBtm('YU')" title="上一年">上一年</a><a href="javascript:void(0)" class="CAL_A2" title="上一月" onclick="pushBtm('MU')">上一月</a><a href="javascript:void(0)" title="今日" class="CAL_A3" onclick="pushBtm('')"></a><a href="javascript:void(0)" class="CAL_A4" title="下一月" onclick="pushBtm('MD')">下一月</a><a href="javascript:void(0)" class="CAL_A5" title="下一年" onclick="pushBtm('YD')">下一年</a></div>
<!--日历内容区 开始-->
<div class="CAL_div">
<!--嵌入万年历代码 开始-->
<script language=javascript>
<!--
var lunarInfo = new Array(
0x04bd8,0x04ae0,0x0a570,0x054d5,0x0d260,0x0d950,0x16554,0x056a0,0x09ad0,0x055d2,
0x04ae0,0x0a5b6,0x0a4d0,0x0d250,0x1d255,0x0b540,0x0d6a0,0x0ada2,0x095b0,0x14977,
0x04970,0x0a4b0,0x0b4b5,0x06a50,0x06d40,0x1ab54,0x02b60,0x09570,0x052f2,0x04970,
0x06566,0x0d4a0,0x0ea50,0x06e95,0x05ad0,0x02b60,0x186e3,0x092e0,0x1c8d7,0x0c950,
0x0d4a0,0x1d8a6,0x0b550,0x056a0,0x1a5b4,0x025d0,0x092d0,0x0d2b2,0x0a950,0x0b557,
0x06ca0,0x0b550,0x15355,0x04da0,0x0a5d0,0x14573,0x052d0,0x0a9a8,0x0e950,0x06aa0,
0x0aea6,0x0ab50,0x04b60,0x0aae4,0x0a570,0x05260,0x0f263,0x0d950,0x05b57,0x056a0,
0x096d0,0x04dd5,0x04ad0,0x0a4d0,0x0d4d4,0x0d250,0x0d558,0x0b540,0x0b5a0,0x195a6,
0x095b0,0x049b0,0x0a974,0x0a4b0,0x0b27a,0x06a50,0x06d40,0x0af46,0x0ab60,0x09570,
0x04af5,0x04970,0x064b0,0x074a3,0x0ea50,0x06b58,0x055c0,0x0ab60,0x096d5,0x092e0,
0x0c960,0x0d954,0x0d4a0,0x0da50,0x07552,0x056a0,0x0abb7,0x025d0,0x092d0,0x0cab5,
0x0a950,0x0b4a0,0x0baa4,0x0ad50,0x055d9,0x04ba0,0x0a5b0,0x15176,0x052b0,0x0a930,
0x07954,0x06aa0,0x0ad50,0x05b52,0x04b60,0x0a6e6,0x0a4e0,0x0d260,0x0ea65,0x0d530,
0x05aa0,0x076a3,0x096d0,0x04bd7,0x04ad0,0x0a4d0,0x1d0b6,0x0d250,0x0d520,0x0dd45,
0x0b5a0,0x056d0,0x055b2,0x049b0,0x0a577,0x0a4b0,0x0aa50,0x1b255,0x06d20,0x0ada0);
var solarMonth = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
var Gan = new Array("甲","乙","丙","丁","戊","己","庚","辛","壬","癸");
var Zhi = new Array("子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥");
var Animals = new Array("鼠","牛","虎","兔","龙","蛇","马","羊","猴","鸡","狗","猪");
var solarTerm = new Array("小寒","大寒","立春","雨水","惊蛰","春分","清明","谷雨","立夏","小满","芒种","夏至","小暑","大暑","立秋","处暑","白露","秋分","寒露","霜降","立冬","小雪","大雪","冬至")
var sTermInfo = new Array(0,21208,42467,63836,85337,107014,128867,150921,173149,195551,218072,240693,263343,285989,308563,331033,353350,375494,397447,419210,440795,462224,483532,504758)
var nStr1 = new Array('日','一','二','三','四','五','六','七','八','九','十')
var nStr2 = new Array('初','十','廿','卅',' ')
var monthName = new Array("JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC");
//国历节日 *表示放假日
var sFtv = new Array(
"0101*元旦",
"0214 情人节",
"0308 妇女节",
"0312 植树节",
"0315 消费者权益日",
"0401 愚人节",
"0501*劳动节",
"0504 青年节",
"0512 护士节",
"0601 儿童节",
"0701 建党节 香港回归纪念",