function seo($degistir){
			$tr = array('Ş','ş','İ','ı','Ğ','ğ','Ü','ü','Ö','ö','Ç','ç');
			$eng = array('s','s','i','i','g','g','u','u','o','o','c','c','s','s');
			$degistir = str_replace($tr,$eng,$degistir);
			$degistir = strtolower($degistir);
			$degistir = preg_replace('/&.+?;/', '', $degistir);
			$degistir = preg_replace('/\s+/', '-', $degistir);
			$degistir = preg_replace('|-+|', '-', $degistir);
		return $degistir;
}