function checkSurname() { var clientSurname = document.getElementById('field01'); if (clientSurname.value == "") { return "Error: Must have a surname."; } if (clientSurname.value.length < 4) { return "Must have at least 4 alphabetic characters."; } do (clientSurname.value.length.substr.toUpperCase(0,0) { while (cilentSurname.value.length.substr.toLowerCase( return ""; } function checkForm() { var completeErr; var Errmsg; Errmsg = checkSurname(); if (Errmsg.length < 0) completeErr = completeErr + "
" + Errmsg; if (completeErr.length > 0) {//I have errors because I fail return false; } else { return true; } }