在JavaScript版经常看到有人关于在线可编辑表格的问题，于是整理了出来。
主要功能：
1.动态增加行
2.可以点击表格左边的按钮删除当前行，如果该行有数据会要求用户确认删除
3.表格可以实现动态编辑
4.通过点击某一行可以实现高亮度显示
源代码：
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<HTML>
<HEAD>
<META content="text/html; charset=gb2312" http-equiv=Content-Type>
<STYLE type=text/css>BODY {
BACKGROUND: white; COLOR: black; FONT-FAMILY: verdana,arial,helvetica; FONT-SIZE: 12px
}
.tableData {
BACKGROUND: white; BORDER-BOTTOM: white 1px dashed; BORDER-LEFT: white 1px dashed; BORDER-RIGHT: white 1px dashed; BORDER-TOP: white 1px dashed; COLOR: black; CURSOR: hand; FONT-FAMILY: verdana,arial,helvetica; FONT-SIZE: 12px
}
.tableDataSel {
BACKGROUND: #6090d0; BORDER-BOTTOM: #6090d0 1px dashed; BORDER-LEFT: #6090d0 1px dashed; BORDER-RIGHT: #6090d0 1px dashed; BORDER-TOP: #6090d0 1px dashed; COLOR: white; CURSOR: hand; FONT-FAMILY: verdana,arial,helvetica; FONT-SIZE: 12px
}
.tableDataHit {
BACKGROUND: #d0e0ff; BORDER-BOTTOM: #d0e0ff 1px dashed; BORDER-LEFT: #d0e0ff 1px dashed; BORDER-RIGHT: #d0e0ff 1px dashed; BORDER-TOP: #d0e0ff 1px dashed; COLOR: black; CURSOR: hand; FONT-FAMILY: verdana,arial,helvetica; FONT-SIZE: 12px
}
.tableDataOver {
BACKGROUND: #d0e0ff; BORDER-BOTTOM: #d0e0ff 1px dashed; BORDER-LEFT: #d0e0ff 1px dashed; BORDER-RIGHT: #d0e0ff 1px dashed; BORDER-TOP: #d0e0ff 1px dashed; COLOR: black; CURSOR: hand; FONT-FAMILY: verdana,arial,helvetica; FONT-SIZE: 12px
}
.controlPanel {
BACKGROUND: silver; COLOR: black; CURSOR: hand; FONT-FAMILY: verdana,arial,helvetica; FONT-SIZE: 14px
}
.controlPanelMouseOver {
BACKGROUND: #d0e0ff; COLOR: black; CURSOR: hand; FONT-FAMILY: verdana,arial,helvetica; FONT-SIZE: 14px
}
.delMouseOver {
BACKGROUND: #d0e0ff; COLOR: black; CURSOR: hand; FONT-FAMILY: verdana,arial,helvetica; FONT-SIZE: 14px
}
.scheduleButtonVisible {
BACKGROUND: silver; BORDER-BOTTOM: gray 1px dashed; BORDER-LEFT: white 1px dashed; BORDER-RIGHT: gray 1px dashed; BORDER-TOP: white 1px dashed; COLOR: black; CURSOR: hand; FONT-FAMILY: webdings; FONT-SIZE: 12px
}
</STYLE>
<SCRIPT language=javascript>
var modified=0
var currentLine=-1//该变量似乎保存"ln"属性；lightOn函数中line记录实际行数
var line=-1;
function lightOn(ln)
{
if (ln==null)
ln=parseInt(event.srcElement.ln,10)
for (i=1;i<PLList.rows.length;i++)
if (tdt[i].ln==ln)
line=i
cln=currentLine
oldLine=-1
for (i=1;i<PLList.rows.length;i++)
if (tdt[i].ln==cln)
oldLine=i
if (line==oldLine)
return
//if td <0 then only clear all title
if (line>0)
{
document.all.tdt[line].className="tableDataHit";
document.ecform("date")[line].className="tableDataHit";
document.ecform("diagnosis")[line].className="tableDataHit";
document.ecform("medication")[line].className="tableDataHit";
if (oldLine>0)
{
document.all.tdt[oldLine].className="tableData";
document.ecform("date")[oldLine].className="tableData";
