// JavaScript Document

//-----------------------------------------------

// Check for valid (ie containg "@", ".", 

// and more than 6 characters) email-address in Field

function jsFn_IsValidEmail(emailStr){

	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) {

		return false;

	}//if

	var user=matchArray[1];

	var domain=matchArray[2];

	if (user.match(userPat)==null) {

		return false;

	}//if

	var IPArray=domain.match(ipDomainPat);

	if (IPArray!=null) {

		  for (var i=1;i<=4;i++) {

			if (IPArray[i]>255) {

				return false;

			}//if

		}//for

		return true;

	}//if

	var domainArray=domain.match(domainPat);

	if (domainArray==null) {

		return false;

	}//if

	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) {

	   return false;

	}//if

	if (len<2) {

	   return false;

	}//if

	return true;

}//fn



// Check for null value

function CheckValidValue()

{

	if(createForm.Name.value=="")

	{

		alert("Please complete your name");

	}

	else if(createForm.Email.value=="")

	{

		alert("Please complete your email");			

	}

	else

	{

		if(jsFn_IsValidEmail(createForm.Email.value)==true)

		{

			createForm.submit();

		}

		else

		{

			alert ("your email must valid format");

		}

	}



}//jsfn