function CheckForm(frm) {
	var a = new Array();
	var nerr=0;
	var errfields="";
	var req;
	var grp;
	var nc;

	if (!frm.required)
		return true;
	req = frm.required.value;
	a = req.split(",");
	for (var i=0; i<a.length; i++) {
		var reqfield = a[i];
		var type = frm.elements[reqfield].type;
		var name = frm.elements[reqfield].name;
		var value = frm.elements[reqfield].value;
		if ((type=="text" || type=="textarea" || type=="select-one") && value=="") {
			errfields += "\t" + frm.elements[reqfield].id + "\n";
			nerr++;
			continue;
		}
	}
	if (nerr > 0) {
		DisplayError(errfields, nerr);
		return false;
	}
	return true;
}

function DisplayError(errfields, nerr) {
	msg = "________________________________________________________________\n\n";
	msg += "This form has not been submitted because there is a problem with it.\n";
	msg += "Please correct the problem and resubmit the form.\n";
	msg += "_______________________________________________________________\n\n";

	if (nerr > 1)
		msg += "The following fields are required:\n\n";
	else
		msg += "The following field is required:\n\n";
	alert(msg+errfields);	
}