this in JavaScript

<script language="JavaScript">
    <!--
    function displayInfo(form){
      var myWin = open("", "","width=450,height=200");
      myWin.document.write("The defaultValue of the text box is: ");

      myWin.document.write(form.myText.defaultValue);

      myWin.document.write("<br>The name of the text area is: ");

      myWin.document.write(form.myTextArea.name);

      myWin.document.write("<br>The value of the button is: ");

      myWin.document.write(form.myButton.value);

      myWin.document.close();
    }
    -->
    </script>