window.onload = function(){
    initDateTime();
    rolloverInit();
}

function initDateTime(){
	var mydate=new Date()
	var year=mydate.getYear()
	if ((year<2000)&&(year>=100))
		year=1900+year
	var day=mydate.getDay()
	var month=mydate.getMonth()
	var daym=mydate.getDate()
	if (daym<10)
		daym="0"+daym
	var dayarray=new Array("星期天","星期一","星期二","星期三","星期四","星期五","星期六");
	var montharray=new Array("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月");
	document.getElementById("dateTimeString").innerHTML = year + "年" + montharray[month]+ daym+"日 "+ dayarray[day];
}

function rolloverInit() {
	for (var i=0; i<document.images.length; i++) {
		if (document.images[i].parentNode.tagName == "A") {
			setupRollover(document.images[i]);
		}
	}
}

function setupRollover(thisImage) {
	thisImage.outImage = new Image();
	thisImage.outImage.src = thisImage.src;
	thisImage.onmouseout = rollOut;

	thisImage.overImage = new Image();
	thisImage.overImage.src = "images/menu/" + thisImage.id + "_return.gif";
	thisImage.onmouseover = rollOver;	
}

function rollOver() {
	if (this.id != "normalPic")
	{
		this.src = this.overImage.src;
	}
}

function rollOut() {
	this.src = this.outImage.src;
}