conBrowser=1;
  switch1on  = new Image();  switch1on.src  = '../images/nav_home2.gif';
  switch1off = new Image();  switch1off.src = '../images/nav_home.gif';
  switch2on  = new Image();  switch2on.src  = '../images/nav_surveillance2.gif';
  switch2off = new Image();  switch2off.src = '../images/nav_surveillance.gif';
  switch3on  = new Image();  switch3on.src  = '../images/nav_predictive2.gif';
  switch3off = new Image();  switch3off.src = '../images/nav_predictive.gif';
  switch4on  = new Image();  switch4on.src  = '../images/nav_intelligence2.gif';
  switch4off = new Image();  switch4off.src = '../images/nav_intelligence.gif';
  switch5on  = new Image();  switch5on.src  = '../images/nav_electronic2.gif';
  switch5off = new Image();  switch5off.src = '../images/nav_electronic.gif';
  switch6on  = new Image();  switch6on.src  = '../images/nav_security2.gif';
  switch6off = new Image();  switch6off.src = '../images/nav_security.gif';
  switch7on  = new Image();  switch7on.src  = '../images/nav_request2.gif';
  switch7off = new Image();  switch7off.src = '../images/nav_request.gif';
  switch8on  = new Image();  switch8on.src  = '../images/nav_links2.gif';
  switch8off = new Image();  switch8off.src = '../images/nav_links.gif';


function HighLight(musswitch) {
	if (conBrowser) {
		switchnavn = eval(musswitch + "on");
      		document [musswitch].src = switchnavn.src;
    		}
  	}

function UndoHighLight(musswitch) {
	if (conBrowser) {
		switchnavn = eval(musswitch + "off");
		document [musswitch].src = switchnavn.src;
		}
	}