javascript select() function with named anchor

<HTML>
<HEAD>
    <script>
    function setFocus() {
        document.AForm.AText.select();
    }
    </script>

</HEAD>

<BODY onLoad="setFocus();">
    <br><br><br><br><br><br><br><br><br><br><br><br><br><br>
    <br><br><br><br><br><br><br><br><br><br><br><br><br><br>
    <br><br><br><br><br><br><br><br><br><br><br><br><br><br>
    <br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    <a name="ATag"></a>
    <form name="AForm" id="AForm" action="Test.html#ATag" method="get">
        <input type="text" name="AText" id="AText" value="Enter text here." >
        <input type="submit" value="OK">
    </form>

</BODY>
</HTML>

function setFocus() {
  setTimeout(tryFocus,100);
}

function tryFocus() {
  document.AForm.AText.select();
}

<form name="AForm" id="AForm" action="index.html#ATag" method="get" onsubmit="bustCache();">
  <input type="text" name="AText" id="AText" value="Enter text here." >
  <input type="hidden" name="AHidden" id="AHidden" value="">
  <input type="submit" value="OK">
</form>

function setFocus() {
  setTimeout(tryFocus,100);
}

function tryFocus() {
  document.AForm.AText.select();
}

function bustCache() {
  document.AForm.AHidden.value = (new Date()).getTime();
}