// JScript File
//********************Prepared By Rakhi Khare Date : 20/07/2007**************************//

//********************Email Validation*************************//
 function EmailValidation(id) {
    if (! isValidEmail(document.getElementById(getId(id,"input","text")).value)) {
        alert("Please enter a valid email address");
        document.getElementById(getId(id,"input","text")).value="";
        return false;
    }
//    alert("Email address OK!");
    return true;
  }
  
  function isValidEmail(email, required) {
    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        }
        return true;
    }
    if (email.length==0) {  
        if (required) {
            return false;
        }
        return true;
    }
    if (! allValidChars(email)) {  // check to make sure all characters are valid
        return false;
    }
    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
        return false;
    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
        return false;
    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
        return false;
    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
	return false;
    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
	return false;
    }
    return true;
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}
       
/***********Numeric Validation*****************/  

   function NumericValidation(id)
          {
            var ControlClientId= getId(id,'input','text');
            if (isNaN(document.getElementById(ControlClientId).value))
            {
                alert("Please Fill the Numeric Value !!!!");
                document.getElementById(ControlClientId).value="";
            }
          }