function validate(theForm) 
{ 
submitOK="True" 
for (i = 0; i < theForm.elements.length ; i++) { 
  if (theForm.elements[i].value == "default") { 
    submitOK="False" 
alert("Please " + theForm.elements[i].options[0].text ) 
  } 
} 
if (submitOK=="False") 
 { 
 return false 
 } 
}