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function xugj_jquery_is_already($document)
{
	$ret = false;
	if (preg_match('/(www\.google\.com\/jsapi|jquery([0-9\.-]+?)\.min\.js)/isx',$document) || preg_match('/[^(ckeditor\/adapters\/)](jquery\.js)/isx',$document)) {
		$ret = true;
	}
	return $ret;
}