/*--- Pull-down Menu ---*/

function jump() {
	aaa=document.menu
			.submenu.selectedIndex;
	bbb=document.menu.submenu
			.options[aaa].value;
	window.location.href=bbb;
	}

function show4() {
	document.getElementById("pd_submenu4")
			.style.visibility="visible";
	}
function shut4() {
	document.getElementById("pd_submenu4")
			.style.visibility="hidden";
	}

 var brwCheck = false;
if ((document.all && document.selection) ||
    (navigator.product && navigator.product == "Gecko") ||
    (window.opera && document.createEvent)) {
  brwCheck = true;
  document.write("<style type='text/css'> .none { display:none;} <\/style>");
}