//function form_onsubmit(f) {
//-----------------------------------------------------------------------------------------
// set the properties used by the verify function
// include on form tag: onSubmit="return form_onsubmit(this);"
//-----------------------------------------------------------------------------------------
//	if (f.method.value == "Cancel")  return true;
//	f.agencyaddr2.optional = true;
//	f.workfax.optional = true;
//	f.workemail.optional = true;
//	f.agencypostalcode.min = 1;
//	f.agencypostalcode.max = 99999;
//	return verify(f);
//}
function isBlank(s) {
//-----------------------------------------------------------------------------------------
// a utility function that returns true if a string contains only whitespace characters.
//-----------------------------------------------------------------------------------------
	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) {
//-----------------------------------------------------------------------------------------
// This function performs form verification.  Invoke it from the onSubmit() event handler.
// The handler should return whatever value this function returns.
// Taken from David Flanagan's JavaScript: the Definitive Guide, pp 311-314.
//-----------------------------------------------------------------------------------------
//	who			when		what
//-----------------------------------------------------------------------------------------
//	djohnson	2000-02-09	add password to the types checked.
//-----------------------------------------------------------------------------------------
	var msg;
	var empty_fields = "";
	var errors = "";
	// loop thru all the elements in the form
	for (var i = 0; i < f.length; i++) {
		var e = f.elements[i];
		// is it text or textarea or password and not optional?
		if (((e.type == "text") || (e.type == "textarea") || (e.type == "password")) && !e.optional) {
			// is the field empty?
			if ((e.value == null) || (e.value == "") || isBlank(e.value)) {
				empty_fields += "\n          " + e.name;
				continue;
			}
			// is numeric field really numeric, and in the desired range?
			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";
				}
			}
		}
	}
	// display any error messages
	if (!empty_fields && !errors) return true;
	msg  = "______________________________________________\n\n";
	msg += "The form was not submitted because some fields are required. \n";
//	msg += "Please add missing data and re-submit. \n";
	msg += "______________________________________________\n\n";
	if (empty_fields) {
		msg += " - The following required fields are empty: " + empty_fields + "\n";
		if (errors) msg += "\n";
	}
	msg += errors;
	alert(msg);
	return false;
}