function check_comm(form){
	try {
		if (form.comment.value.length < 20) {
			alert('Your comment must be at least 20 characters long!');
			form.comment.focus();
			return false;
		}
	} catch(err) {
		txt  = 'There was an error in the script! \n';
		txt += 'We are sorry, but the page will not be able to function normally';
		alert(txt);
		return false;
	}
}