<script language="javascript">
function checkfrm()
{
var obj1=document.form;
var emailStr=document.form.email.value;
if(document.getElementById('email').value.length == 0)
{
alert('Please fill your E-mail/กรุณากรอกอีเมล์ของคุณ');
document.getElementById('email').focus();
return false;
}
//
var emailPat=/^(.+)@(.+)$/
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
var validChars="\[^\\s" + specialChars + "\]"
var quotedUser="(\"[^\"]*\")"
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
var atom=validChars + '+'
var word="(" + atom + "|" + quotedUser + ")"
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
var matchArray=emailStr.match(emailPat)
if (matchArray==null) {
alert("Your E-mail Not Correct/E - Mail ของคุณไม่ถูกต้อง กรุณากรอกข้อมูลใหม่")
obj1.email.focus()
return false
}
var user=matchArray[1]
var domain=matchArray[2]
if (user.match(userPat)==null) {
alert("E - Mail ของคุณไม่ถูกต้อง กรุณากรอกข้อมูลใหม่")
obj1.email.focus()
return false
}
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Destination IP address is invalid!")
obj1.email.focus()
return false
}
}
return true
}
var domainArray=domain.match(domainPat)
if (domainArray==null) {
alert("The domain name doesn't seem to be valid.")
obj1.email.focus()
return false
}
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 ||
domArr[domArr.length-1].length>3) {
alert("This email address is not correct.")
obj1.email.focus()
return false
}
if (len<2) {
var errStr="This address is missing a hostname!"
alert(errStr)
obj1.email.focus()
return false
}
Load balance : Server 04
