public function printHeaderExtensions(){
		$hook_extend_indi_header_left = new mw\Hook\Hook('hExtendIndiHeaderLeft');
		$hook_extend_indi_header_right = new mw\Hook\Hook('hExtendIndiHeaderRight');
		$hook_extend_indi_header_left = $hook_extend_indi_header_left->execute($this->ctrl_individual);
		$hook_extend_indi_header_right = $hook_extend_indi_header_right->execute($this->ctrl_individual);
		
		echo '<div id="indi_perso_header">',
			'<div id="indi_perso_header_left">';
		foreach ($hook_extend_indi_header_left as $div) {
			if(count($div)==2){
				echo '<div id="', $div[0], '" class="indi_perso_header_left_div">',
					$div[1], '</div>';
			}
		}
		echo '</div>',
			'<div id="indi_perso_header_right">';
		foreach ($hook_extend_indi_header_right as $div) {
			if(count($div)==2){
				echo '<div id="', $div[0], '" class="indi_perso_header_right_div">',
					$div[1], '</div>';
			}
		}
		echo '</div>',
		'</div>';
	}