JavaScript Background change using select

<SCRIPT LANGUAGE="JavaScript">
<!--
document.write("<CENTER>");
document.write("<FORM NAME=\"Colors\">");
document.write("<select name=\"select\" onChange=\"document.bgColor = this.options[selectedIndex].value\">");
document.write("<option value=\"White\" selected>White");
document.write("<option value=\"Navy\">Navy");
document.write("<option value=\"Gray\">Gray");
document.write("<option value=\"Yellow\">Yellow");
document.write("<option value=\"Purple\">Purple");
document.write("<option value=\"C70000\">Maroon");
document.write("<option value=\"FFFFA0\">Brown");
document.write("<option value=\"Silver\">Silver");
document.write("<option value=\"Magenta\">Fuchsia");
document.write("<option value=\"Blue\">Blue");
document.write("</select>");
document.write("</FORM>");
document.write("</CENTER>");
//-->
</SCRIPT>