function check_delete($that, $field, $label) {
	if(!$field) $field = 'delete';
	if(!$label) $label = 'record(s)';
	$num = 0;
	for($i = 0; $i < $that.elements.length; $i++) {
		if($that.elements[$i].name.indexOf($field+'[') == 0) {
			if($that.elements[$i].checked) {
				//alert($that.elements[$i].name+"\n\n"+$field);
				$num++;
			}
		}
	}
	if($num == 0) return true;
	else return confirm('Warning:  '+$num+' '+$label+" are marked for deletion.\n\nDo you wish to continue?");
}