    <head><title>onreturn.html</title>
    <script src=../window.js></script>
    <script src=../examples.js></script>
    </head>
    <body>

    <script>

    w = new win(70,190,400,400,"Hello World")

    w.setServerURL(MSURL)
    w.setVar("map",MSMAP)

    function submitWin() {
        w.setVar("mapsize",w.contentWidth + " " + w.contentHeight)
        w.submit()
    }

    function getVars() {
        var mapextBox = document.getElementById("ms_mapext")
        var scaleBox = document.getElementById("ms_scale")
        var mapsizeBox = document.getElementById("ms_mapsize")

        var mapext = w.getReturnedVar("mapext")
        var scale = w.getReturnedVar("scale")
        var mapsize = w.getReturnedVar("mapsize")

        mapextBox.value = mapext
        scaleBox.value = scale
        mapsizeBox.value = mapsize
    }

    w.setExecOnResize(submitWin)
    w.setExecOnReturn(getVars)

    </script>

    <input type=button value="Submit Map" onclick="submitWin()">

    <!-- text fields for returned variables -->
    <br><br>
    <table>
      <tr><td colspan=2 align=center>Returned Variables
      <tr><th>name<th>value
      <tr>
         <td>mapext
         <td><input type=text id=ms_mapext style="width:400">
      <tr>
         <td>scale
         <td><input type=text id=ms_scale style="width:400">
      <tr>
         <td>mapsize
         <td><input type=text id=ms_mapsize style="width:400">
    </table>
    </body>