function deleteFolderM(){
 $.post('deleteFolder.php',{fileName : fname},function(data){
                        $.iaoAlert({
                            msg: "folder deleted successfully",
                            type: "notification",
                            mode: "dark",
                            autoHide: true,
                            fadeTime: "500",
                            closeButton: true,
                            closeOnClick: false,
                            position: 'bottom-right',
                            fadeOnHover: true,
                            zIndex: '999',
                            alertClass: ''
                        })
                        refreshfileTree();
                    });
                }