hardcode date archive block start date

gistfile1.txt

<?php defined('C5_EXECUTE') or die("Access Denied.");
	
class DateArchiveBlockController extends Concrete5_Controller_Block_DateArchive {

	public function view() {
		if($this->targetCID > 0) {
			$target = Page::getByID($this->targetCID);
			$this->set('target',$target);
		}
		
		$firstPost = new DateTime('2012-01-01T00:00:00+09:00');
		$this->set('firstPost',$firstPost);
	}
	
}