Untitled

CODE FOR FILE a.htm
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<html>
<head>
<script type="text/javascript" src="window_manager.js"></script>
<script type="text/javascript">
function init(){
    // give this window a unique name
    window.name='A';

    // just outright opening them now for demo purposes.  How/when you open them is up to you
    // open window B
    openWindow('b.htm', 'B', '');
    // open window C
    openWindow('c.htm', 'C', '');
}
</script>
</head>
<body onload="init();">
This is window A
</body>
</html>

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CODE FOR FILE b.htm
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<html>
<head>
<script type="text/javascript" src="window_manager.js"></script>
<script type="text/javascript">
function init(){
    // give this window a unique name
    window.name='B';
    // just outright opening them now for demo purposes.  How/when you open them is up to you
    // open window D
    openWindow('d.htm', 'D', '');
}
</script>
</head>
<body onload="init();">
This is window B
</body>
</html>

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CODE FOR FILE c.htm
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<html>
<head>
<script type="text/javascript" src="window_manager.js"></script>
<script type="text/javascript">
function init(){
    // give this window a unique name
    window.name='C';
}
</script>
</head>
<body onload="init();">
This is window C
</body>
</html>

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CODE FOR FILE d.htm
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<html>
<head>
<script type="text/javascript" src="window_manager.js"></script>
<script type="text/javascript">
function init(){
    // give this window a unique name
    window.name='D';
    // is window C open?
    alert('Is Window C open? '+ is_window_open('C', true) );
}
</script>
</head>
<body onload="init();">
This is window D
</body>
</html>