function SetNavClass(id, sMode) {
	var element;
	if(document.getElementById && (element = document.getElementById(id))) {
		if (sMode == 'set') {
				element.className = 'leftnav_on';
		} else {
			var bodyID = 'leftnav_' + document.getElementsByTagName('body')[0].id;
			if (bodyID != id) {
				element.className = 'leftnav';
			}
			else{
			   element.className = 'leftnav_on';
			}
		}
	}
}
function SetTopNavClass(id, sMode) {
	var element;
	if(document.getElementById && (element = document.getElementById(id))) {
		if (sMode == 'set') {
				element.className = 'active';
		} else {
			var bodyID = 'topnav_' + document.getElementsByTagName('body')[0].id;
			if (bodyID != id) {
				element.className = 'inactive';
			}
		}
	}
}

function SetSubClass(id, sMode) {
	var element;
	if(document.getElementById && (element = document.getElementById(id))) {
		if (sMode == 'set') {
				element.className = 'subnav_over';
		} else {
			var bodyID = 'subnav_' + document.getElementsByTagName('body')[0].id;
			if (bodyID != id) {
				element.className = 'subnav';
			}
		}
	}
}

function goSemCycle() {
  PopupWindow = window.open('http://store.semcycle.com/', '_blank','');
  if (navigator.appName == "Netscape") PopupWindow.focus();
}