var winH = 0;

if (parseInt(navigator.appVersion)>3) {
 if (navigator.appName=="Netscape") {
  winH = window.innerHeight-16;
 }
 if (navigator.appName.indexOf("Microsoft")!=-1) {
  winH = document.body.offsetHeight || document.documentElement.clientHeight;
 }
}

if (winH >= 534)  {
  document.write('<link rel="stylesheet" type="text/css" href="ow_v3_bottom_2009.css">');
}
if (winH < 534)  {
  document.write('<link rel="stylesheet" type="text/css" href="ow_v3_top_2009.css">');
}

function makeVis(SubNavID) {
		if (winH >= 534)  {
			document.getElementById(SubNavID + "b").style.visibility = "visible";
		}
		if (winH < 534)  {
			document.getElementById(SubNavID + "t").style.visibility = "visible";
		}
	}
	function makeInvis(SubNavID) {
		if (winH >= 534)  {
			document.getElementById(SubNavID + "b").style.visibility = "hidden";
			}
		if (winH < 534)  {
			document.getElementById(SubNavID + "t").style.visibility = "hidden";
			}
		}