function verify() {
 if (document.comments.txtFirst.value.length == "") {
 alert("Please enter a first name. Thank you.")
 return false
 }
 else
 if (document.comments.txtEmail.value.length == "") {
 alert("Please enter an email address. Thank you.")
 return false
 }
 else
 if (document.comments.txtComments.value.length == "") {
 alert("Please enter your comments or questions. Thank you.")
 return false
 }
 return true
}