function TbsInitArchive() {

		$TBS =& $this->TBS;

		$TBS->OtbsCurrFile = false;

		$this->TbsStoreLst = array();
		$this->TbsCurrIdx = false;
		$this->TbsNoField = array(); // idx of sub-file having no TBS fields
		$this->IdxToCheck = array(); // index of files to check
		$this->PrevVals = array(); // Previous values for 'mergecell' operator

		$this->ExtEquiv = false;
		$this->ExtType = false;
		
		$this->OtbsSheetSlidesDelete = array();
		$this->OtbsSheetSlidesVisible = array();

		$this->OpenDocCharts = false;
		$this->OpenDocManif = false;
		$this->OpenDoc_SheetSlides = false;
		$this->OpenDoc_Styles = false;

		$this->OpenXmlRid = false;
		$this->OpenXmlCTypes = false;
		$this->OpenXmlCharts = false;
		$this->OpenXmlSharedStr = false;
		$this->OpenXmlSlideLst = false;
		$this->OpenXmlSlideMasterLst = false;
		$this->MsExcel_Sheets = false;
		$this->MsWord_HeaderFooter = false;

		$this->Ext_PrepareInfo(); // Set extension information

	}