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 validRequired(formField,fieldLabel)
{
  var result = true;
  
  if (formField.value == "")
  {
    alert('Please enter a value for the "' + fieldLabel +'" field.');
    formField.focus();
    result = false;
  }
  
  return result;
}

function validEmail(formField,fieldLabel,required)
{
  var result = true;
  
  if (required && !validRequired(formField,fieldLabel))
    result = false;

  if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
  {
    alert("Please enter a complete email address in the form: yourname@yourdomain.com");
    formField.focus();
    result = false;
  }
   
  return result;

}
function validate(checkformname)
{
	// Customize these calls for your form
  	// Start ------->
  	if (!validRequired(checkformname.name,"Name"))
    	return false;
 	if (!validRequired(checkformname.email,"Email"))
	    return false;
	// <--------- Customer Email check
	if (!validEmail(checkformname.email,"Email Address",true))   
		return false;
 	if (!validRequired(checkformname.msg,"Message"))
	    return false;
  // <--------- End
  return true;
}