function validate(form1)
{
	if (form1.Email.value=="")
	{
		alert("Please enter your Email");
		form1.Email.focus();
		return(false);
	}

  var checkEmail = "@.";
  var checkStr = form1.Email.value;
  var EmailValid = false;
  var EmailAt = false;
  var EmailPeriod = false;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkEmail.length;  j++)
    {
      if (ch == checkEmail.charAt(j) && ch == "@")
        EmailAt = true;
      if (ch == checkEmail.charAt(j) && ch == ".")
        EmailPeriod = true;
          if (EmailAt && EmailPeriod)
                break;
          if (j == checkEmail.length)
                break;
        }
        //checking if both the @ and . were in the string
    if (EmailAt && EmailPeriod)
    {
        EmailValid = true
        break;
     }
  }
  if (!EmailValid)
  {
    alert("The  email you have entered is invalid. Please try in again.");
    form1.Email.focus();
    return (false);
	}
}