下面是我保存了网页后查到的源代码，直接用查看网页源码看不到。请高手来分析一下
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- saved from url=(0043)http://jspx1.fjtu.com.cn/tools/time/top.php -->
<HTML><HEAD><TITLE>课程计时</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<SCRIPT language=javascript>
function SaveTime(){
var flag = parent.location.search;
var StudyTime = document.form1.timespent.value;
window.showModalDialog('save_time.php'+flag+'&time='+StudyTime, '', 'dialogWidth:24em; Height:4em; status:0');
location.reload()
return false;
}
</SCRIPT>
<LINK href="top.files/form.css" type=text/css rel=stylesheet>
<META content="MSHTML 6.00.2900.3199" name=GENERATOR></HEAD>
<BODY bgColor=#ffffff leftMargin=0 topMargin=0
onload="window.setTimeout('stopwatch()',1);">
<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>
<TBODY>
<TR>
<FORM name=form1>
<TD style="FONT-SIZE: 12px; COLOR: #ffffff; FONT-FAMILY: '宋体'" width="40%"
bgColor=#336699> ● 本页为学习时长记录页，请勿关闭！</TD>
<TD style="FONT-SIZE: 12px; COLOR: #ffffff; FONT-FAMILY: '宋体'" align=right
bgColor=#336699>● 您本次学习时长为
<SCRIPT language=JavaScript>
<!-- Begin
var iMins = 0;
var iSecs = 0;
var gross = 0;
function stopwatch() {
gross++;
if ((gross % 60) == 0) {
iMins = gross / 60;
}
iSecs = gross - iMins * 60;
var sMins ="" + ((iMins > 9) ? iMins : "0" + iMins);
var sSecs ="" + ((iSecs > 9) ? iSecs : "0" + iSecs);
document.form1.timespent.value = sMins + ":" + sSecs;
//十五分钟暂停计时
if ((gross % 900) == 0) {
if (!confirm("是否继续？")) {
return false;
}
}
window.setTimeout("stopwatch()",1000);
}
// End -->
function click() {
if (event.button==2) {
alert("您学习的时长是"+document.form1.timespent.value);
}
}
document.onmousedown=click
</SCRIPT>
<INPUT
style="FONT-SIZE: 12px; FONT-FAMILY: '宋体'; HEIGHT: 18px; BACKGROUND-COLOR: #ffff99"
readOnly size=5 name=timespent> ，请点击=> <INPUT class=regButton02 onclick=SaveTime(); type=button value=计时 name=Button>
记录课程学习时长 ● </TD></FORM></TR></TBODY></TABLE></BODY></HTML>
