function validateAndSubmit(theform) 
{
	   if (theform.username.value == "") 
   {
      alert("Please enter your username!");
	  theform.username.focus();
      return false;
    }
 if (theform.password.value == "") 
   {
      alert("Please enter your password!");
	  theform.password.focus();
      return false;
    }
 	
	
return true;
}