// JavaScript Document
function fnEmailCheck (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) 
 {
 alert("Email address seems incorrect (check @ and .'s)")
 return false
 }
var user=matchArray[1]
var domain=matchArray[2]

// See if "user" is valid
if (user.match(userPat)==null) {
    // user is not valid
    alert("The username doesn't seem to be valid.")
    return false
}

/* if the e-mail address is at an IP address (as opposed to a symbolic
   host name) make sure the IP address is valid. */
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
    // this is an IP address
   for (var i=1;i<=4;i++) {
     if (IPArray[i]>255) {
         alert("Destination IP address is invalid!")
  return false
     }
    }
    return true
}

// Domain is symbolic name
var domainArray=domain.match(domainPat)
if (domainArray==null) {
 alert("The domain name doesn't seem to be valid.")
    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>4) {
   // the address must end in a two letter or three letter word.
   alert("The address must end in a three-letter domain, or two letter country.")
   return false
}

// Make sure there's a host name preceding the domain.
if (len<2) {
   var errStr="This address is missing a hostname!"
   alert(errStr)
   return false
}



// If we've got this far, everything's valid!
return true;
}

function fnValidateString(alphane)
{
	var numaric = alphane;
	for(var j=0; j<numaric.length; j++)
		{
		  var alphaa = numaric.charAt(j);
		  var hh = alphaa.charCodeAt(0);
		  //if((hh > 47 && hh<58) || (hh > 64 && hh<91) || (hh > 96 && hh<123))
		  if((hh > 64 && hh<91) || (hh > 96 && hh<123) || (alphaa==' '))
		  {
		  }
		else
		  {
			 return false;
		  }
		}
 return true;
}

function fnValidateString(string)
{
	var strLen = string.length
	var iChars = "*|,\":<>[]{}`\';()@&$#%";
	var strError = "";
	for (var i = 0; i < strLen; i++) 
	{
		if (iChars.indexOf(string.charAt(i)) != -1)
		{
			strError = "Enter valide string.";
		}
	}
	return strError;
}

function fnValidateCityName(string)
{
	var strLen = string.length
	var iChars = "*,\":<>[]{}`\';()@&$#%";
	var strError = "";
	for (var i = 0; i < strLen; i++) 
	{
		if (iChars.indexOf(string.charAt(i)) != -1)
		{
			strError = "Enter valide string.";
		}
	}
	return strError;
}

function fnIsNumber(intNumber)
{
	if(isNaN(intNumber) == true)	
	{
		alert("Please enter only digits!");
		return false;
	}
	else
	{
		return true;
	}
}
//  End -->