function getHeaderCss(Vtiger_Request $request) { $headerCssInstances = parent::getHeaderCss($request); $moduleName = $request->getModule(); $cssFileNames = array('~libraries/jquery/jquery.datepick.package-4.1.0/jquery.datepick.css'); $cssInstances = $this->checkAndConvertCssStyles($cssFileNames); $headerCssInstances = array_merge($cssInstances, $headerCssInstances); return $headerCssInstances; }