// JavaScript Document
function tick() {
var hours, minutes, seconds, xfile;
var intHours, intMinutes, intSeconds;
var today;
today = new Date();
intHours = today.getHours();
intMinutes = today.getMinutes();
intSeconds = today.getSeconds();
if (intHours == 0) {
hours = "12:";
xfile = "午夜";
} else if (intHours < 12) { 
hours = intHours+":";
xfile = "上午";
} else if (intHours == 12) {
hours = "12:";
xfile = "正午";
} else {
intHours = intHours - 12
hours = intHours + ":";
xfile = "下午";
}
if (intMinutes < 10) {
minutes = "0"+intMinutes+":";
} else {
minutes = intMinutes+":";
}
if (intSeconds < 10) {
seconds = "0"+intSeconds+" ";
} else {
seconds = intSeconds+" ";
} 
timeString = "现在时间:"+today+" "+xfile+" "+hours+minutes+seconds;
Clock.innerHTML = timeString;
window.setTimeout("tick();", 100);
}
window.onload = tick;


function mychk()
{
	if (document.mycomm.yname.value=="")
	{
		alert("请输入昵称");
		document.mycomm.yname.focus();
		return false;
	}
		if (document.mycomm.ycomment.value.length<=5)
	{
		alert("评论内容不能小于5个字");
		document.mycomm.ycomment.focus();
		return false;
	}

}