function _init(htOptions){
        htOptions = htOptions || {};

        _initVar(htOptions);
        _initElement(htOptions);

        // Request attachments only if the container is specified.
        if (htVar.attachments) {
            _updateAttachments(htVar.attachments);
        } else if ((htVar.sResourceType && htVar.sResourceId) || htVar.attachments) {
            _requestList();
        }


        if(htOptions.sUploaderId){
            _attachUploaderEvent(htOptions.sUploaderId);
        }
    }
initialize fileUploader

@param {Hash Table} htOptions
@param {Variant} htOptions.elContainer
@param {Variant} htOptions.elTextarea
@param {String}  htOptions.sTplFileList
@param {String}  htOptions.sTplFileItem
@param {String}  htOptions.sResourceId
@param {String}  htOptions.sResourceType
@param {String}  htOptions.sUploaderID