function validate_email(field,alerttxt)
{
    with (field)
  {
      apos=value.indexOf("@");
      dotpos=value.lastIndexOf(".");
      if (apos<1||dotpos-apos<2)
        {alert(alerttxt);return false;}
      else {return true;}
  }
}

function validate_password()
{
    var invalid = " "; // Invalid character is a space
    var minLength = 6; // Minimum length
    
    if (document.RegistrFrm.Passwd.value.length < minLength) {
    alert('Your password must be at least ' + minLength + ' characters long. Try again.');
    return false;
    }
    // check for spaces
    if (document.RegistrFrm.Passwd.value.indexOf(invalid) > -1) {
        alert("Sorry, spaces are not allowed.");
        return false;
    }
    else {
        return true;
    }
}
function validate_Signup()
{
    var invalid = " "; // Invalid character is a space
    var minLength = 6; // Minimum length
    var maxLength = 8;
    
    if (document.SignupFrm.Passwd.value.length < minLength) {
    alert('Your password must be at least ' + minLength + ' characters long. Try again.');
    return false;
    }
    if (document.SignupFrm.Passwd.value.length > maxLength) {
    alert('Your password must not be greater than ' + maxLength + ' characters long. Try again.');
    return false;
    }
    // check for spaces
    if (document.SignupFrm.Passwd.value.indexOf(invalid) > -1) {
    alert("Sorry, spaces are not allowed.");
    return false;
    }
    else {
        return true;
    }
}