<table width="500" border="0" align="center" cellpadding="4" cellspacing="1" bgcolor="#CCCCCC">
<form name="form" method="post" action="<%=indexfilename%>">
<tr bgcolor="#f9f9f9">
<td width="13%" height="20" > <div align="right">姓名:</div></td>
<td width="53%" height="20"> <input type="text" name="name" class="write" size="20" maxLength=8>
*8个字内</td>
<script>
function showimage(){document.images.showimages.src="<%=imdeximg%>"+document.form.sex.options[document.form.sex.selectedIndex].value+""+document.form.img.options[document.form.img.selectedIndex].value+".gif";}
</script>
</tr>
<tr bgcolor="#f9f9f9">
<td height="20" align="right"> 性别: </td>
<td height="20"> <select name="sex" size="1" onChange="showimage()">
<option value="1">男</option>
<option value="0">女</option>
</select> </td>
</tr>
<tr bgcolor="#f9f9f9">
<td height="20" align="right">QQ:</td>
<td height="20"> <input name="qq" type="text" id="qq" size="35" maxLength=15 class="write">
*</td>
</tr>
<tr bgcolor="#f9f9f9">
<td height="20" align="right">主页: </td>
<td height="20"> <input name="web" type="text" value="http://" size="35" maxLength=50 class="write">
</td>
</tr>
<tr bgcolor="#f9f9f9">
<td height="20" align="right">来自:</td>
<td height="20"> <input name="come" type="text" id="come" size="35" class="write"></td>
</tr>
<tr bgcolor="#f9f9f9">
<td height="20" align="right">电子邮箱:</td>
<td height="20"><input name="email" type="text" value="" size="35" maxlength=50 class="write">
*</td>
</tr>
<tr bgcolor="#f9f9f9">
<td height="20" align="right">主题:</td>
<td height="20">
<input name="title" type="text" class="write" id="title" size="35" maxLength=10>
*
</td>
</tr>
<tr bgcolor="#f9f9f9">
<td align="right" valign="top"> 留言内容: </td>
<td> <textarea name="words" cols="50" rows="8" class="input1" id="words"
onKeyDown=gbcount(this.form.words,this.form.total,this.form.used,this.form.remain);
onKeyUp=gbcount(this.form.words,this.form.total,this.form.used,this.form.remain);></textarea>
* </td>
</tr>
<tr bgcolor="#f9f9f9">
<td align="right" valign="top" height="30"> </td>
<td height="30">最多字数: <INPUT disabled maxLength=4 name=total size=3 value=<%=txt%>>
已用字数:
<INPUT disabled maxLength=4 name=used size=3 value=0>
剩余字数:
<INPUT disabled maxLength=4 name=remain size=3 value=<%=txt%>></td>
</tr>
<tr align="center" bgcolor="#EAEAEA">
<td height="20" colspan="2"> <input name='validatecode' type='text' size='5'> <img
src='/validatecode.asp' align='absmiddle' border='0'><br>
<br>
<input type="hidden" name="action_e" value="Add_New">
<input type="submit" name="Submit" value=" 提 交 " class="input1"> <input type="reset" name="Submit2" value=" 重 写 " class="input1">
</td></tr>
</form>
</table>
这是我公司网站留言板的表单,我想让带星号的为必填,并且如何防止站外提交,我的站每天有几百条垃圾留言,请高手帮忙,
希望高手说的详细些,如果能解决问题,我将再加50分