// JavaScript Document
function validateLogin (form)
{

  if (form.Username.value == "")
	{
    alert( "Please enter Username." );
    form.Username.focus();
    return false;
  }
	else if ((form.Username.value.length < 2) || (form.Username.value.length > 20))
	{
    alert( "Username is either too short or too long (at least 2 characters up to 20 ch. required)." );
    form.Username.focus();
    return false;
	}
	
  if (form.Password.value == "")
	{
    alert( "Please enter Password." );
    form.Password.focus();
    return false ;
  }

}