YAHOO.namespace("example.container");

function init() {

    if (!YAHOO.example.container.wait) {

        YAHOO.example.container.wait =
                new YAHOO.widget.Panel("wait",
                                                { width: "200px",
                                                  fixedcenter: true,
                                                  close: true,
                                                  draggable: false,
                                                  zindex:4,
                                                  modal: true,
                                                  visible: false
                                                }
                                            );

        YAHOO.example.container.wait.setHeader('Elminator Demo');
        YAHOO.example.container.wait.setBody('<img src="images/books/demo.gif" border="0" style="border-right:1px solid black;border-top: 1px solid black">');
        YAHOO.example.container.wait.render(document.body);

    }
    YAHOO.example.container.wait.show();
}

YAHOO.util.Event.on("panelbutton", "click", init);