IE已经兼容，但是在火狐上测试就错乱了，要求在火狐上也不会出错，并希望指出不能兼容火狐的原因
<!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>
<title>Software Download</title>
<style type="text/css">
body{ font-size:12px}
</style>
</head>
<body onload="modelLoading()">
<!-----big----->
<div >
<!------Top------>
<div >
top
</div>
<!----center--->
<div >
<!----center-left----->
<div >
<!------PHP代码块----->
<div id="cnt" >
<div id="cnt_sms">
<div >download</div>
<form name="gprs_down" method="post">
<table cellpadding="0" cellspacing="4">
<tr>
<td class="field_label">Mobile No.</td>
<td><input type="text" id="cnt_sms_no" name="PhoneNo"/></td>
<td rowspan="3"><img id="cnt_sms_img" src=" http://www.sms-grp.com/dl/device_pix/none.gif" /></td>
</tr>
<tr>
<td class="field_label">IMEI:</td>
<td class="field_label"><input type="text" id="imei" name="IEMI" /></td>
</tr>
<tr>
<td class="field_label">CardName:</td>
<td class="field_label"><select name="CardName">
<option>Gdcu</option>
</select>
</td>
</tr>
<tr>
<td class="field_label">Vendor</td>
<td><select id="vend" name="Vendor" onchange="changeVend(this.value)">
<option value="Nokia">Nokia</option>
<option value="LG">LG</option>
<option value="Samsung">Samsung</option>
<option value="Windows Mobile">Windows Mobile</option>
<option value="Blackberry">Blackberry</option>
</select></td>
</tr>
<tr>
<td class="field_label">Model</td>
<td><select id="model" name="Model" onchange="changeModel()">
</select></td>
</tr>
<tr>
<td class="field_label">Language</td>
<td><select id="language" name="Language" onchange="">
<option value="english">english</option>
<option value="chinese">chinese</option>
</select></td>
</tr>
<td class="field_label">Down</td>
<td><input type="radio" name="down" value="computer" checked />
Download to computer</td>
<td><input type="radio" name="down" value="sms" />
Send me SMS </td>
</tr>
<tr>
<td class="field_label">Code</td>
<td class="field_label"><input type="text" id="vali" name="valiCode" size="4" />
<img src=../validate.php border='0' align=absbottom onclick=this.src='validate.php' /></td>
</tr>
<tr>
<td colspan="3"><input name="button" type="button" onclick="doSubmit()" value="submit" />
<input name="reset" type="reset" value="reset" />
</td>
</tr>
</table>
</form>
</div>
</div>
用户也可以通过编辑短信到xxx下载到手机
</div>
<!-----center-left-----!>
<!-----center-right------->
<div >
<img src="img/4.jpg" />
</div>
</div> <!----center---->
<!------bottom------>
<div >
</div>
</div>
</body>
</html>