이메일 selectbox | +JavaScript

<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="15"></td>
<td width="80"><img src="../images/member_txt_icon06.gif" width="44" height="16"></td>
<td><input name="email" type="text" class="INPUT_LINE" size="15" maxlength="30" onChange="fChgInputField(this.name);" value="<%=v_email1%>">@<INPUT TYPE="text" NAME="email2" class="INPUT_LINE" size="15" maxlength="30" onChange="fChgInputField(this.name);" readonly value="<%=v_email2%>">
<select name="sltEmail2" onChange="fChgInputField(this.name)" readonly>
<option value='' selected>선택하세요</option>
<option value='01' >chol.com</option>
<option value='02' >dreamwiz.com</option>
<option value='03' >empal.com</option>
<option value='04' >freechal.com</option>
<option value='05' >gmail.com</option>
<option value='06' >hanmail.net</option>
<option value='07' >hanmir.com</option>
<option value='08' >hitel.net</option>
<option value='09' >hotmail.com</option>
<option value='10' >korea.com</option>
<option value='11' >nate.com</option>
<option value='12' >naver.com</option>
<option value='13' >orgio.com</option>
<option value='14' >paran.com</option>
<option value='15' >sayclub.com</option>
<option value='16' >shinbiro.com</option>
<option value='17' >yahoo.co.kr</option>
<option value='18' >yahoo.com</option>
<option value='99' >기타(직접입력)</option>
</select>
<BR><INPUT NAME="mailing" TYPE="CHECKBOX" CLASS="INPUT_LINE" VALUE="Y" checked> <span class="no_t3">e-mail 수신동의</span>
</td>
</tr>
</table>



---------------------------------------------------------------------------------------

function Chk_Email(obj_email) {
var ln = obj_email.value.length;
var chSpecial = false;
var noMail = false;
var chDotCnt = 0;
var chAltCnt = 0;
var preCh = "";

for (var i=0; i<ln; ++i) {
var ch = obj_email.value.charAt(i);
if (ch == '-' ||ch == '_') continue;
if (ch == '@') noMail = true;
if (ch == '.') noMail = true;
if (ch > 'z' || ch < '0' || ch == '^' || ch == ';' || ch == ':') chSpecial = true;
if (ch == '\\' || ch == '`' || ch == '<' || ch == '>' || ch == '=' ) chSpecial = true;
preCh = ch;
}

if(chSpecial) {
alert("한글, 공란, 특수문자는 EMail 아이디로 입력할 수 없습니다.");
obj_email.focus();
return false;
}

if(obj_email.value == "" || noMail) {
alert("EMail 아이디를 정확히 입력하십시오.");
obj_email.focus();
return false;
}
return true;
}

function Chk_Email_b(obj_email2) {
var ln = obj_email2.value.length;
var chSpecial = false;
var noMail = false;
var chDotCnt = 0;
var chAltCnt = 0;
var preCh = "";

for (var i=0; i<ln; ++i) {
var ch = obj_email2.value.charAt(i);
if (ch == '-' ||ch == '_') continue;
if (ch == '.') chDotCnt ++;
if (ch == '.' && chAltCnt == 0) noMail = true;
if (ch == '.' && preCh == '.') noMail = true;
if (ch > 'z' || ch < '0' || ch == '^' || ch == ';' || ch == ':') chSpecial = true;
if (ch == '\\' || ch == '`' || ch == '<' || ch == '>' || ch == '=' ) chSpecial = true;
}
if(document.memberform.sltEmail2.value == '99'){
if(chSpecial) {
alert("한글, 공란, 특수문자는 EMail 주소로 입력할 수 없습니다.");
obj_email2.focus();
return false;
}

if(chDotCnt<1 || chDotCnt>3) {
alert("EMail 주소를 정확히 입력하십시오.");
obj_email2.focus();
return false;
}
}
return true;
}


//===================================
// Email Check Function
//===================================

function fChgInputField(vObjNM) {

with (memberform) {
switch (vObjNM) {
case 'sltEmail2' :
var selecdIdx = sltEmail2.options.selectedIndex;

if(sltEmail2.options[selecdIdx].value == "99") {
email2.readOnly = false;
email2.value = "";
email2.focus();
} else {
email2.readOnly = true;
email2.value = sltEmail2.options[selecdIdx].text;
}
break;
}
}
}<div class='small'>[이 게시물은 관리자님에 의해 2011-10-31 17:16:08 PHP & HTML에서 이동 됨]</div>