Dreamweaver - Como insertar un formulario de busqueda

<!-- Inicia el Buscador ---- Blaizer-->

<SCRIPT language=JavaScript>

var NS4 = (document.layers);

var IE4 = (document.all);

var win = window;

var n   = 0;

function findInPage(str) {

  var txt, i, found;

  if (str == "")

    return false;

  if (NS4) {

    if (!win.find(str))

      while(win.find(str, false, true))

        n++;

    else

      n++;

    if (n == 0)

      alert("Not found.");

  }

  if (IE4) {

    txt = win.document.body.createTextRange();

    for (i = 0; i <= n && (found = txt.findText(str)) != false; i++) {

      txt.moveStart("character", 1);

      txt.moveEnd("textedit");

    }

    if (found) {

      txt.moveStart("character", -1);

      txt.findText(str);

      txt.select();

      txt.scrollIntoView();

      n++;

    }

    else {

      if (n > 0) {

        n = 0;

        findInPage(str);

      }

      else

        alert("Su busqueda no produjo, ningun resultado. Intente con otro");

   }

  }

  return false;

}

</SCRIPT>

<FORM name=search onsubmit="return findInPage(this.string.value);">

<P align=center><FONT size=3>

<INPUT

style="BORDER-RIGHT: #666666 1px solid; BORDER-TOP: #666666 1px solid; FONT-SIZE: 8pt; BORDER-LEFT: #666666 1px solid; BORDER-BOTTOM: #666666 1px solid"

onchange="n = 0;" size=16 name=string></FONT><BR><INPUT style="BORDER-RIGHT: #ffffff 1px solid; BORDER-TOP: #ffffff 1px solid; FONT-SIZE: 8pt; BORDER-LEFT: #ffffff 1px solid; BORDER-BOTTOM: #ffffff 1px solid; FONT-FAMILY: Tahoma; BACKGROUND-COLOR: #aaaaaa" type=submit value=Search in page ><center><font size=2pt;><font family=Times New Roman;><b>

<BR>

</P></FORM></DIV><BR><!-- Final Buscador-->