提供一个简单的例子：
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<SCRIPT language=javascript src='jshash-2.2/md5.js'
type=text/javascript></SCRIPT>
</HEAD>
<form onsubmit="pwd.value =hex_md5(pwd.value)" >
<input type='password' name='pwd'></input>
<input type='submit'></input>
</form>
<BODY>
</BODY>
</HTML>
调用hex_md5(pwd.value)来加密提交
jshash-2.2包到http://pajhome.org.uk/crypt/md5/scripts.html下载
<!doctype html public "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title> JavaScript: xm ......
a href="#"> 点击链接后，页面会向上滚到页首，# 默认锚点为 #TOP
<a href="javascript:void(0)" onClick="window.open()"> 点击链接后，页面不动，只打开链接
<a href="#" onclick="javascript:return false;"> 作用同上，不同浏览器会有差异。
点击链接后，不想使页面滚到页首，就用href="javascript:v ......
