1 <script>

     2 function showModal() {

     3     document.form.fromModal.value =

     4         showModalDialog("modal-dialog.html",

     5             document.form.toModal.value,

     6             "dialogHeight:280px,dialogWidth:400px");

     7 }

     8 </script>

     9 <form name="form">

    10 <p>Type text here to be sent to the modal window and press the button:

    11 <input name="toModal" value="from main window">

    12 <input type="button" value="Show Modal" onClick="showModal()"></p>

    13 <hy>

    14 <p>Text will appear here from the modal window: <input name="fromModal">

    15 </form>