function isblank(s) { for (var i = 0; i < s.length; i++) { var c = s.charAt(i); if ((c != ' ') && (c != '\n') && (c != '\t')) return false; } return true; } function verify(f,r1, r2,r3,r4) { var msg; var empty_fields = ""; var drp_fields = ""; var rd_fields = ""; var errors = ""; var drperrors = ""; // Added to handle radio buttons1 since JavaScript can't handle type = radio if (r1 != null) { var count = 0; for (var i = 0; i < r1.length; i++) { if (r1[i].checked == true) { count = count + 1; } } if (count == 0) { rd_fields = "\n " + r1[0].name; } } // Added to handle radio buttons2 since JavaScript can't handle type = radio if (r2 != null) { var count = 0; for (var i = 0; i < r2.length; i++) { if (r2[i].checked == true) { count = count + 1; } } if (count == 0) { rd_fields += "\n " + r2[0].name; } } // Added to handle radio buttons3 since JavaScript can't handle type = radio if (r3 != null) { var count = 0; for (var i = 0; i < r3.length; i++) { if (r3[i].checked == true) { count = count + 1; } } if (count == 0) { rd_fields += "\n " + r3[0].name; } } // Added to handle radio buttons4 since JavaScript can't handle type = radio if (r4 != null) { var count = 0; for (var i = 0; i < r4.length; i++) { if (r4[i].checked == true) { count = count + 1; } } if (count == 0) { rd_fields += "\n " + r4[0].name; } } // Loop through elements on form. for (var i = 0; i < f.length; i++) { var e = f.elements[i]; // If drop-down box, test to see if something other than the first option is picked. Write error if not. if ((e.type == "select-one") && !e.optional) { if (e.selectedIndex == 0) { drp_fields += "\n " + e.name; } } // If text or textarea, test to see if blank. Write error if blank. if (((e.type == "text") || (e.type == "textarea")) && !e.optional) { if ((e.value == null) || (e.value == "") || isblank(e.value)) { empty_fields += "\n " + e.name; continue; } // Now check for fields that are supposed to be numeric. // Must set min and max value on form to test for these values. if (e.numeric || (e.min != null) || (e.max != null)) { var v = parseFloat(e.value); if (isNaN(v) || ((e.min != null) && (v < e.min)) || ((e.max != null) && (v > e.max))) { errors += "- The field " + e.name + " must be a number"; if (e.min != null) errors += " that is greater than " + e.min; if (e.max != null && e.min != null) errors += " and less than " + e.max; else if (e.max != null) errors += " that is less than " + e.max; errors += ".\n"; } } } // Now check for fields that are optional but required numeric. if ((e.numeric) && (e.optional) && !((e.value == null) || (e.value == "") || isblank(e.value))) { var v = parseFloat(e.value); if (isNaN(v)) { errors += "- The field " + e.name + " must be a number.\n"; } } } if (!empty_fields && !errors && !drp_fields && !rd_fields) return true; msg = "_______________________________________________________\n\n" msg += "The form was not submitted because of the following error(s).\n"; msg += "Please correct these error(s) and re-submit.\n"; msg += "_______________________________________________________\n\n" if (empty_fields) { msg += "- The following required field(s) are empty:" + empty_fields + "\n"; } if (drp_fields) { msg += "\n- The following required drop-down box(es) must have a selection:" + drp_fields + "\n"; // if (errors) msg += "\n"; } if (rd_fields) { msg += "\n- The following required radio-button(s) must have a selection:" + rd_fields + "\n"; if (errors) msg += "\n"; } msg += errors; alert(msg); return false; }