// include/inc_front/content/cnt23.article.inc.php
// around line 489
// check the marked line!!! - only this should be changed 

			case 'checkbox'	:	/*
								 * Checkbox
								 */
								if($POST_DO && ($cnt_form["fields"][$key]['required'] || isset($_POST[$POST_name]) ) ) {
									if(isset($_POST[$POST_name]) && is_array($_POST[$POST_name])) {
										$POST_val[$POST_name] = array_map('combined_POST_cleaning', $_POST[$POST_name]);
										$POST_val[$POST_name] = array_diff($POST_val[$POST_name], array(''));
										if(!count($POST_val[$POST_name])) {
											$POST_val[$POST_name] = false;
										}
									} else {
										$POST_val[$POST_name] = isset($_POST[$POST_name]) ? remove_unsecure_rptags(clean_slweg($_POST[$POST_name])) : false;
									}
									if($cnt_form["fields"][$key]['required'] && !$POST_val[$POST_name]) {
										$POST_ERR[$key] = $cnt_form["fields"][$key]['error'];
									} else {
										$cnt_form["fields"][$key]['value'] = str_replace(' checked', '', $cnt_form["fields"][$key]['value']);
									}
								}
								//
								$form_value = explode("\n", $cnt_form["fields"][$key]['value']);
								$form_value = array_map('trim', $form_value);
								$form_value = array_diff($form_value, array(''));
								
								
								///////////////////////////////////////////////////////////////////
								if($cnt_form["fields"][$key]['class']) {
									$form_field 	.= '<div class="'.$cnt_form["fields"][$key]['class'].'">';
									$checkbox_class  = '</div>';
								} else {
									$checkbox_class  = '';
								}
								///////////////////////////////////////////////////////////////////
								
								
								if($cnt_form["fields"][$key]['style']) {
									$checkbox_style = ' style="'.$cnt_form["fields"][$key]['style'].'"';
								} else {
									$checkbox_style = '';
								}
								if(count($form_value) == 1 || count($form_value) == 0 || !$form_value) {
									// only 1 checkbox
									$checkbox_value = is_array($form_value) ? implode('', $form_value) : $form_value;
									$checkbox_value = trim($checkbox_value);
									if(isset($POST_val[$POST_name]) && $POST_val[$POST_name] == ($checkbox_value ? $checkbox_value : $form_name)) {
										$checkbox_value .= ' checked';
									}
									$checkbox_value = $checkbox_value ? html_specialchars($checkbox_value) : $form_name;
									$form_field .= '<input type="checkbox" name="'.$form_name.'" id="'.$form_name.'" ';
									if(substr($checkbox_value, -8) != ' checked') {
										$form_field .= 'value="' . $checkbox_value . '" />';
									} else {
										$checkbox_value = str_replace(' checked', '', $checkbox_value);
										$form_field .= 'value="' . $checkbox_value . '" checked="checked" />';
									}
									$form_field .= '<label for="'.$form_name.'"';
									$form_field .= $checkbox_style;
									$form_field .= '>'.$checkbox_value .'</label>';
									
								} else {
									// list of checkboxes
									$checkbox_counter = 0;
									$checkbox_spacer  = $cnt_form["fields"][$key]['size'] ? '<br />' : ' ';
									foreach($form_value as $checkbox_value) {
									
										if(isset($POST_val[$POST_name]) && is_array($POST_val[$POST_name])) {
											foreach($POST_val[$POST_name] as $postvar_value) {
												if($postvar_value == $checkbox_value) {
													$checkbox_value .= ' checked';
												}
											}
										}
									
										$checkbox_value =  html_specialchars(trim($checkbox_value));
										if($checkbox_counter) {
											$form_field .= $checkbox_spacer;
										}
										$form_field .= '<input type="checkbox" name="'.$form_name.'[]" id="'.$form_name.$checkbox_counter.'" ';
										if(substr($checkbox_value, -8) != ' checked') {
											$form_field .= 'value="' . $checkbox_value . '" />';
										} else {
											$checkbox_value = str_replace(' checked', '', $checkbox_value);
											$form_field .= 'value="' . $checkbox_value . '" checked="checked" />';
										}
										$form_field .= '<label for="'.$form_name.$checkbox_counter.'"';
										$form_field .= $checkbox_style;
										$form_field .= '>'.$checkbox_value .'</label>';
										$checkbox_counter++;
									}
								}
								
								
								///////////////////////////////////////////////////////////////////
								$form_field .= $checkbox_class;
								///////////////////////////////////////////////////////////////////
								
								break;

			case 'radio'	:	/*
								 * Radiobutton
								 */
								if($POST_DO && ( $cnt_form["fields"][$key]['required'] || isset($_POST[$POST_name]) ) ) {
									$POST_val[$POST_name] = isset($_POST[$POST_name]) ? remove_unsecure_rptags(clean_slweg($_POST[$POST_name])) : false;
									if($cnt_form["fields"][$key]['required'] && !$POST_val[$POST_name]) {
										$POST_ERR[$key] = $cnt_form["fields"][$key]['error'];
									} else {
										$cnt_form["fields"][$key]['value'] = str_replace(' checked', '', $cnt_form["fields"][$key]['value']);
									}
								}
								//
								$form_value = explode("\n", $cnt_form["fields"][$key]['value']);
								$form_value = array_map('trim', $form_value);
								$form_value = array_diff($form_value, array(''));
								
								
								///////////////////////////////////////////////////////////////////
								if($cnt_form["fields"][$key]['class']) {
									$form_field 	.= '<div class="'.$cnt_form["fields"][$key]['class'].'">';
									$checkbox_class  = '</div>';
								} else {
									$checkbox_class  = '';
								}
								///////////////////////////////////////////////////////////////////
								
								
								if($cnt_form["fields"][$key]['style']) {
									$checkbox_style = ' style="'.$cnt_form["fields"][$key]['style'].'"';
								} else {
									$checkbox_style = '';
								}
								if(count($form_value) == 1 || count($form_value) == 0 || !$form_value) {
									// only 1 checkbox
									$checkbox_value = is_array($form_value) ? implode('', $form_value) : $form_value;
									$checkbox_value = trim($checkbox_value);
									if(isset($POST_val[$POST_name]) && $POST_val[$POST_name] == ($checkbox_value ? $checkbox_value : $form_name)) {
										$checkbox_value .= ' checked';
									}
									$checkbox_value = $checkbox_value ? html_specialchars($checkbox_value) : $form_name;
									$form_field .= '<input type="radio" name="'.$form_name.'" id="'.$form_name.'" ';
									if(substr($checkbox_value, -8) != ' checked') {
										$form_field .= 'value="' . $checkbox_value . '" />';
									} else {
										$checkbox_value = str_replace(' checked', '', $checkbox_value);
										$form_field .= 'value="' . $checkbox_value . '" checked="checked" />';
									}
									$form_field .= '<label for="'.$form_name.'"';
									$form_field .= $checkbox_style;
									$form_field .= '>'.$checkbox_value .'</label>';
									
								} else {
									// list of checkboxes
									$checkbox_counter = 0;
									$checkbox_spacer  = $cnt_form["fields"][$key]['size'] ? '<br />' : ' ';
									foreach($form_value as $checkbox_value) {
										if(isset($POST_val[$POST_name]) && $POST_val[$POST_name] == $checkbox_value) {
											$checkbox_value .= ' checked';
										}
										$checkbox_value =  html_specialchars(trim($checkbox_value));
										if($checkbox_counter) {
											$form_field .= $checkbox_spacer;
										}
										$form_field .= '<input type="radio" name="'.$form_name.'" id="'.$form_name.$checkbox_counter.'" ';
										if(substr($checkbox_value, -8) != ' checked') {
											$form_field .= 'value="' . $checkbox_value . '" />';
										} else {
											$checkbox_value = str_replace(' checked', '', $checkbox_value);
											$form_field .= 'value="' . $checkbox_value . '" checked="checked" />';
										}
										$form_field .= '<label for="'.$form_name.$checkbox_counter.'"';
										$form_field .= $checkbox_style;
										$form_field .= '>'.$checkbox_value .'</label>';
										$checkbox_counter++;
									}
								}
								
								///////////////////////////////////////////////////////////////////
								$form_field .= $checkbox_class;
								///////////////////////////////////////////////////////////////////
								
								break;