function checkRequired(form) {
	requiredFields = form.select('.required');
	error = false;
	errMsg = "Following items are required: ";
	
	for(i = 0; i<requiredFields.length; i++) {
		if(requiredFields[i].value=="" || requiredFields[i].value=="#") {
			error=true;
			errMsg += requiredFields[i].title + ", ";
			}
		}
	
	if(error) {
		alert(errMsg.slice(0, -2)+".");
		return false;
		} else 	return true;
}