function validate_email(){ v = true; var rxp = /^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/i; st_n = getById("r_student_name"); st_e = getById("re_student_email"); pr_n = getById("r_prof_name"); pr_e = getById("re_prof_email"); var e_ = getById("mailformheader"); if (st_n.value == "") { v = false; } if (st_e.value == "") { v = false; } if (pr_n.value == "") { v = false; } if (pr_e.value == "") { v = false; } if (st_e.match(rxp)) { alert("valid"); } else { alert("invalid"); } if(!v) { e_.innerHTML = "Please fill out the form completely. All 4 fields below are required."; e_.style.color = "red"; } else { //documents.forms['mailform'].submit(); }}