表格怎样自适应宽度
<html>
<head>
<title>音频属性</title>
</head>
<body onload=check(); bgcolor="#336699" text="FFFFFF">
data error1<center>
<h3>音频属性</h3>
当前是第1路</center>
</script>
<TABLE BORDER=1 Bordercolor=#FFFFFF ALIGN="CENTER">
<form action="/cgi-bin/audio3.cgi" method="Post" name="audio" onSubmit="return CheckData();">
<TR><TD height=10 Bgcolor=blue>音频输出模式:</TD>
<TD><select name="Audio_Output_Model">
<option value="Stereo" selected>Stereo
<option value="Joint">Joint
<option value="Dual">Dual
<option value="Mono">Mono
</select></td>
<td Bgcolor=blue>选项范例：stereo;joint;dual;Mono</td></tr>
<TR><TD height=10 Bgcolor=blue>音频输出位速率:</TD>
<TD>
<select name="Audio_Bit">
<option value="32Kbps">32Kbps
<option value="40Kbps">40Kbps
<option value="48Kbps">48Kbps
<option value="56Kbps">56Kbps
<option value="64Kbps">64Kbps
<option value="80Kbps">80Kbps
<option value="96Kbps">96Kbps
<option value="112Kbps">112Kbps
<option value="128Kbps">128Kbps
<option value="160Kbps">160Kbps
<option value="192Kbps">192Kbps
<option value="224Kbps">224Kbps
<option value="256Kbps">256Kbps
<option value="288Kbps">288Kbps
<option value="320Kbps">320Kbps
<option value="352Kbps">352Kbps
<option value="384Kbps">384Kbps
<option value="416Kbps">416Kbps
<option value="448Kbps">448Kbps
</select></td>
<td Bgcolor=blue>选项范例：192kbps, 224kbps</td></tr>
<TR><TD height=10 Bgcolor=blue>全球安防网音频流类型:</TD><TD><select name="Audio_Type">
<option value="Mepg1">mpeg1
<option value="mpeg2">mpeg2
<option value="ac3">ac3
<option value="aac">aac
<option value="g.711">g.711
<option value="g.723"> g.723
</select></td>
<td Bgcolor=blue>选项范例：mpeg mpeg2 ac3 aac g.711 g.723</td>
</tr>
<TR><TD height=10 Bgcolor=blue>全球安防网音频层数:</TD>
<TD><select name="Audio_Layer">
<option value="layer1">layer1
<option value="layer2">layer2
<option value="layer3">layer3
</select></td>
<td Bgcolor=blue>选项范例：layer1 layer2</td></tr>
<TR><TD height=10 Bgcolor=blue>音频采样率:</TD>
<TD><input type="text" name="Audio_sampling_rate" value="0"></TD>
<td Bgcolor=blue>全球安防网音频采样速率范围(1 代表 44.1k , 2 代表48k , 3代表 32k)</td></TR>
</table>
<center>
</center><br>
<center>
<div style="position: absolute; z-index: 1; left: 342px; visibility:hidden; " id="layer3">
<input type=submit name=w2 value="设置第二路"></div>
<div style="position: absolute; z-index: 1; left: 342px; visibility:hidden; " id="layer4">
<input type=submit name=w3 value="设置第三路"></div>
<div style="position: absolute; z-index: 1; left: 342px; visibility:hidden; " id="layer5">
<input type=submit name=w4 value="设置第四路"></div>
<div style="position: absolute; z-index: 1; left: 342px; visibility:hidden; " id="layer2">
<input type=submit name=w1 value="设置第一路"></div>
</center>
</form><br>
</body>
</html>
