function validate() 
{ 
var choice = true; 
var msg = ""; 

if(document.getElementById("formfield").value != "")  
{ 
   choice = false; 
msg = "Please check the form"; 
} 
else if(document.getElementById("formfield2").value != "")  
{ 
   choice = false; 
msg = "Please check the form"; 
} 
if (choice == false)

{
alert("Please check the form.");
return (false); 
} 
return (true);

}