// JavaScript Document

// Check email
function IsEmail (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;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	
	if (user.match(userPat)==null) 
	{
		return false;
	}
	
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null)
	{
		for (var i=1;i<=4;i++) 
		{
			if (IPArray[i]>255)
			{
				return false;
			}
		}
		return true;
	}
	
	var domainArray=domain.match(domainPat)
	if (domainArray==null)
	{
		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)
	{	
		return false;
	}
	
	if (len<2) {
	return false;
	}
	return true;
}

// Check Phone number
function IsPhoneNumber (sText)

{
   var ValidChars = "0123456789-+() ";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }