메일선택

 function emailchange(){
 var email=document.form.emailList.value;
 if(email=='custom'){
  document.form.email2.value='';
  document.form.email2.readOnly=true;
  
 }else{
  document.form.email2.value=email;
  document.form.email2.readOnly=false;
 } 
}

 

 

                                         <tr>
                                            <td  height="25" bgcolor=E3E4EB style="padding-right:20px; text-align:right;"><strong>E-MAIL</strong></td>
                                            <td height="25"  bgcolor=#ffffff style='padding:0 0 0 10'>
                                           
                                            <input name="email" type="text" class="in_tt" style="width:80px; height:20px;" maxlength = "10"/>@
                                             <input name="email2" type="text" class="in_tt" style="width:90px; height:20px;" maxlength = "15" readOnly/>
                                              <select name="emailList" style="width:130px;height:20px;color:#999289;background-color:#ffffff;font-family:Dotum, 돋움;font-size:12px; border:1px solid" onchange="emailchange()">
                                                <option value="" selected="selected">선택하세요</option>
                                                <option value="naver.com">naver.com</option>
                                                <option value="nate.com">nate.com</option>
                                                <option value="cyworld.com">cyworld.com</option>
                                                <option value="lycos.co.kr">lycos.co.kr</option>
                                                <option value="netsgo.com">netsgo.com</option>
                                                <option value="hanmail.net">hanmail.net</option>
                                                <option value="yahoo.co.kr">yahoo.co.kr</option>
                                                <option value="paran.com">paran.com</option>
                                                <option value="hotmail.com">hotmail.com</option>
                                                <option value="dreamwiz.co.kr">dreamwiz.co.kr</option>
                                                <option value="empal.com">empal.com</option>
                                                <option value="custom">직접입력</option>
                                              </select> 

                                          </td>
                                          </tr>