test.css
.addForm_titleName{
padding-left:8px;
background-image:url(images/addform_bg.gif);
padding-left:2px;
word-break:break-all;
background-color:#eeeeee;
border-top-width: 1px;
border-bottom-width: 1px;
border-top-style: dotted;
border-bottom-style: dotted;
border-top-color: #C1C1C1;
border-bottom-color:#C1C1C1;*/
}
.addForm_titleName2{
padding-left:8px;
background-image:url(images/down.gif);
padding-left:2px;
word-break:break-all;
background-color:#eeeeee;
border-top-width: 1px;
border-bottom-width: 1px;
border-top-style: dotted;
border-bottom-style: dotted;
border-top-color: #C1C1C1;
border-bottom-color:#C1C1C1;*/
}
test.htm
<link href="./test.css" rel="stylesheet" type="text/css">
<table width="560" border="0" cellspacing="0" cellpadding="0">
<td valign="top" style="padding-left:8px;padding-top:2px;">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr><td height="3"></td></tr>
<tr>
<td class="addForm_titleName" height="22" style="left:5px;position:absolute;width:500px">
<table width="100%" border="0" cellspacing="0" cellpadding="0" style="top:0px; position:absolute; ">
<tr>
<td style="padding-left:5px;;cursor:hand;font-size:12px;top:0px;position:absolute;" onClick="down1.style.visibility='visible';down2.style.visibility='hidden';">项目基本信息1</td>
</tr>
</table>
</td>
<td class="addForm_titleName" height="22" style="left:190px;position:absolute;width:500px">
<table width="100%" border="0" cellspacing="0" cellpadding="0" style="top:0px; position:absolute;">
<tr>
<td style="padding-left:5px;;cursor:hand;font-size:12px" onClick="down1.style.visibility='hidden';down2.style.visibility='visible';">项目基本信息2</td>
</tr>
</table>
</td>
<td class="addForm_titleName" height="22" style="left:380px;position:absolute;width:500px">
<table width="100%" border="0" cellspacing="0" cellpadding="0" style="top:0px; position:absolute;">
<tr>
<td style="padding-left:5px;;cursor:hand;font-size:12px" onClick="down1.style.visibility='hidden';down2.style.visibility='hidden';">项目基本信息3</td>
</tr>
</table>
</td>
<td class="addForm_titleName2" id="down1" height="20" style="height:8px;top:31px;left:180px;position:absolute;width:600px;visibility:hidden" ></td>
<td class="addForm_titleName2" id="down2" height="20" style="height:8px;top:31px;left:360px;position:absolute;width:420px;visibility:hidden"></td>
</tr>
<tr><td height="3"></td></tr>
</table>
</td>
</tr>
</table>