// JavaScript Document
function validateForm(form1) 
{ 
  if (form1.username.value == "") 
   { 
	   alert("User Name field is empty."); 
	   form1.username.focus(); 	  
	   return false; 
   }
   if (form1.password.value == "") 
   { 
	   alert("Password field is empty"); 
	   form1.password.focus(); 
	   return false; 
   }   
   return true;
}