public function beforeSave($insert)
	{
		if (parent::beforeSave($insert)) {
		$this->files 			= UploadedFile::getInstance($this, 'image');
		if ($this->validate()) {
		if ($this->files) {
		$name 			= $this->files->baseName . '.' . $this->files->extension;
		$path			= Yii::getAlias('@webroot' . '/uploads/') . $name;
		$this->files->saveAs($path);
		$this->image 	= $name;
		  
		if($this->removeImage) {
		  $fileRemove 	= Yii::getAlias('@webroot' . '/uploads/') . $image;
		  if(file_exists($fileRemove)) {
			unlink($fileRemove);
			$this->image 	= '';
		  }
		}
		}
	  
	  
		return true;
	} else {
		return false;
	}
}