function validRequired(formField,fieldLabel)
{
	var result = true;
	if (formField.value == "")
	{
		alert('Please enter ' + fieldLabel +'');
		formField.focus();
		result = false;
	}
	
	return result;
}
function validEmail(formField,fieldLabel,required)
{
	var result = true;

	var isValuePresent = checkValuePresent(formField);
	
	if ( required && !validRequired(formField,fieldLabel))
		result = false;
	
	if ( result && isValuePresent && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
	{
		alert("Please enter a valid emailID e.g - yourname@yourdomain.com");
		formField.focus();
		result = false;
	}
   
  return result;

}
function isEmailAddr(email)
{
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function checkValuePresent(formField)
{
	if (formField.value.length>=1)
	{
		return true;
	}
	else
	{
		return false;
	}
}