function header() {
	var CurrentLocation = "";
	// select server and default to www.tek.com
	if (window.location.hostname == "wwwdev.tek.com") {
		CurrentLocation += "http://" + window.location.hostname + ":81";
	}
	else { // default for external sites
		CurrentLocation += "http://component-solutions.tek.com";
	}
	var HeaderContent = "";
	HeaderContent += '<ul id="topnav" class="MenuBarHorizontal">';
	HeaderContent += '<li><a class="MenuBarItemSubmenu" href="' + CurrentLocation + '/">HOME</a></li>';
	HeaderContent += '<li><a class="MenuBarItemSubmenu" href="' + CurrentLocation + '/services/">SERVICES &amp; PRODUCTS</a>';
	HeaderContent += '<ul>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/services/asic-design/" class="">ASIC Design</a></li>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/services/component-test/" class="">Component Test &amp; Screening</a></li>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/services/data-converter/" class="">Data Converter Modules</a></li>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/services/ic-packaging/" class="">IC Packaging</a></li>';
		HeaderContent += '<li><a href="' + CurrentLocation + '/services/product-support/" class="">Product Support</a></li>'	
	HeaderContent += '<li><a href="' + CurrentLocation + '/services/rf-microwave/" class="">RF & Microwave</a></li>';

	HeaderContent += '</ul>';
	HeaderContent += '</li>';
	HeaderContent += '<li><a class="MenuBarItemSubmenu" href="' + CurrentLocation + '/applications/">APPLICATIONS &amp; MARKETS</a>';
	HeaderContent += '<ul>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/applications/communications/" class="">Communications </a></li>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/applications/medical-imaging/" class="">Medical Imaging </a></li>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/applications/military-aerospace/" class="">Military &amp; Aerospace</a></li>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/applications/test-measurement/" class="">Test &amp; Measurement</a></li>';
	HeaderContent += '</ul>';
	HeaderContent += '</li>';
	HeaderContent += '<li><a class="MenuBarItemSubmenu" href="' + CurrentLocation + '/publications-events/">PUBLICATIONS &amp; EVENTS</a>';
	HeaderContent += '<ul>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/publications-events/events" class="">Events</a></li>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/publications-events/news" class="">News</a></li>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/publications-events/publications" class="">Publications & Literature</a></li>';
	HeaderContent += '</ul>';
	HeaderContent += '</li>';
	
	HeaderContent += '<li><a href="' + CurrentLocation + '/about/" class="MenuBarItemSubmenu">ABOUT US</a>';
	HeaderContent += '<ul>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/about/contact/" class="">Contact Us</a></li>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/about/careers/" class="">Careers</a></li>';
	HeaderContent += '<li><a href="' + CurrentLocation + '/about/certifications/" class="">Certifications &amp; Associations</a></li>';
	HeaderContent += '</ul>';
	HeaderContent += '</li>';
	HeaderContent += '</ul>';

	document.getElementById('topnavtemp').style.display='none';
	document.write(HeaderContent);
	
	var MenuBar1 = new Spry.Widget.MenuBar("topnav", {imgDown:"/_js/08/SpryMenuBarDownHover.gif", imgRight:"/_js/08/SpryMenuBarRightHover.gif"});
	
	return ;
}