一个让我头疼的问题

Question

http://www.downba.com/1.jpg
全部JPG

Answer 1

代码是这样的！帮我想想办法                <TD><INPUT maxLength=10 size=10 value=KB 
                        name=kbs>
                  &nbsp;&nbsp;&nbsp;软件类型&nbsp;&nbsp; 
                  <SELECT name=SmallClassCN >
                    <option value="ASP源码" selected>ASP源码</option>
                    <option value="PHP源码">PHP源码</option>
                    <option value="CGI源码">CGI源码</option>
                    <option value="JSP源码">JSP源码</option>
                    <option value="NET源码">NET源码</option>
                  </SELECT>
                  &nbsp;&nbsp;&nbsp;授权类型： 
                  <SELECT name=select2>
                    <OPTION value=文章>文章</OPTION>
                    <OPTION value=下载 selected>下载</OPTION>
                  </SELECT></TD>
              </TR>
              <TR> 
                <TD>运行环境</TD>
                <TD><INPUT 
                        name=SmallClassEN type=checkbox  value=ASP checked>
                  ASP <INPUT 
                        name=SmallClassEN type=checkbox  value=CGI>
                  CGI <INPUT 
                        name=SmallClassEN type=checkbox  value=PHP>
                  PHP <INPUT 
                        name=SmallClassEN type=checkbox  value=JSP>
                  JSP <INPUT 
                        name=SmallClassEN type=checkbox  value=NET>
                  NET </TD>
              </TR>

Answer 2

UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!UP!

Answer 3

<script language="javascript">
function autoChecked(value) {
for (var i=0;i<SmallClassEN.length;i++)SmallClassEN[i].checked=false;
SmallClassEN[value].checked=true;
}
</script>
   <TD><INPUT maxLength=10 size=10 value=KB 
                        name=kbs>
                  &nbsp;&nbsp;&nbsp;软件类型&nbsp;&nbsp; 
                  <SELECT name=SmallClassCN onchange="autoChecked(selectedIndex)">
                    <option value="ASP源码" selected>ASP源码</option>
                    <option value="PHP源码">PHP源码</option>
                    <option value="CGI源码">CGI源码</option>
                    <option value="JSP源码">JSP源码</option>
                    <option value="NET源码">NET源码</option>
                  </SELECT>
                  &nbsp;&nbsp;&nbsp;授权类型： 
                  <SELECT name=select2>
                    <OPTION value=文章>文章</OPTION>
                    <OPTION value=下载 selected>下载</OPTION>
                  </SELECT></TD>
              </TR>
              <TR> 
                <TD>运行环境</TD>
                <TD><INPUT 
                        name=SmallClassEN type=checkbox  value=ASP checked>
                  ASP <INPUT 
                        name=SmallClassEN type=checkbox  value=CGI>
                  PHP <INPUT 
                        name=SmallClassEN type=checkbox  value=JSP>
                   CGI <INPUT 
                        name=SmallClassEN type=checkbox  value=PHP>
                 JSP <INPUT 
                        name=SmallClassEN type=checkbox  value=NET>
                  NET </TD>
              </TR>