function clearMe(txtName){
  if (txtName.defaultValue==txtName.value)
   txtName.value = ""
 }
  function clearMe(txtEmail){
  if (txtEmail.defaultValue==txtEmail.value)
   txtEmail.value = ""
 }
  
 function clearMe(txtPhone){
  if (txtPhone.defaultValue==txtPhone.value)
   txtPhone.value = ""
 }

   function clearMe(txtMessage){
  if (txtMessage.defaultValue==txtMessage.value)
   txtMessage.value = ""
 }