<link rel="stylesheet" type="text/css" href="../../codebase/dhtmlxwindows.css">
<link rel="stylesheet" type="text/css" href="../../codebase/skins/dhtmlxwindows_dhx_skyblue.css">
<script src="../../codebase/dhtmlxcommon.js"></script>
<script src="../../codebase/dhtmlxwindows.js"></script>
 
<script src="../../codebase/dhtmlxcontainer.js"></script>
 
<div>
<table>
    <tr>
        <td style="padding-right: 10px;">Select Window</td>
        <td>
            <select id="sel">
                <option value="w1">dhtmlxWindow #1</option>
                <option value="w2">dhtmlxWindow #2</option>
                <option value="w3">dhtmlxWindow #3</option>
            </select>
        </td>
    </tr>
    <tr>
        <td colspan="2" align="center" style="padding-top: 10px; padding-bottom: 10px;">
            <input type="button" value="Center On Viewport" onclick="center();">
            <input type="button" value="Center On Screen" onclick="centerOnScreen();">
        </td>
    </tr>
</table>
</div>
<div id="winVP" style="position: relative; height: 500px; border: #cecece 1px solid; margin: 10px;"></div>
<script>
var dhxWins,
w1,
w2,
w3;
function doOnLoad() {
    dhxWins = new dhtmlXWindows();
    dhxWins.enableAutoViewport(false);
    dhxWins.attachViewportTo("winVP");
    dhxWins.setImagePath("../../codebase/imgs/");
    w1 = dhxWins.createWindow("w1", 20, 30, 320, 240);
    w1.setText("dhtmlxWindow #1");
    w1.button("close").disable();
    w2 = dhxWins.createWindow("w2", 50, 70, 320, 240);
    w2.setText("dhtmlxWindow #2");
    w2.button("close").disable();
    w3 = dhxWins.createWindow("w3", 80, 110, 320, 240);
    w3.setText("dhtmlxWindow #3");
    w3.button("close").disable();
}
function getId() {
    var sel = document.getElementById("sel");
    return sel.options[sel.selectedIndex].value;
}
function center() {
    dhxWins.window(getId()).center();
}
function centerOnScreen() {
    dhxWins.window(getId()).centerOnScreen();
}</script>