//Calls password validation functions and resets the password fields on failure
function validatepass(f) {
   if ( comparepasswords(f) == false || validate(f) == false ) {
      f.password.value = "";
      f.password2.value = "";
      f.password.focus();
      return false;
   }
   return true;
}

//Compares passwords to make sure they match
function comparepasswords(myform){
   if (myform.password.value != myform.password2.value){
      alert("Error: Passwords do not match.");
      return false;
   }
   return true;
}