var isValid = true; /* phpSetElements */ if (window.addEventListener) { /* phpAddEventListeners */ } else if (window.attachEvent) { /* phpAttachEvents */ } else { /* phpEvents */ } function validateForm () { /* phpValidateForm */ } function validateText (element) { var strText = element.value; // Operate on strText... } function validateDOB (element) { var dateDOB = element.value; // Operate on dateDOB... }