bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
if (bName == "Netscape" && bVer >= 3) br = "n3";
else if   (bName == "Microsoft Internet Explorer" && bVer >= 4) br ="m4";
else br = "n2";

if ((br == "n3")||(br=="m4")) {
	pediatricon  = new Image();  pediatricon.src  = 'assets/images/nav_pediatricOn.gif';
	pediatricoff  = new Image();   pediatricoff.src  = 'assets/images/nav_pediatricOff.gif';
	senioron  = new Image();   senioron.src  = 'assets/images/nav_seniorOn.gif';
	senioroff  = new Image();   senioroff.src  = 'assets/images/nav_seniorOff.gif';
	truston  = new Image();   truston.src  = 'assets/images/nav_trustAdminOn.gif';
	trustoff  = new Image();   trustoff.src  = 'assets/images/nav_trustAdminOff.gif';
	caseon  = new Image();   caseon.src  = 'assets/images/nav_caseManagersOn.gif';
	caseoff  = new Image();   caseoff.src  = 'assets/images/nav_caseManagersOff.gif';
}		
	
function act(imageName) {
	if ((br == "n3")||(br =="m4")) {
		document[imageName].src = eval(imageName + "on.src");
	}
}


function inact(imageName) {
	if ((br == "n3")||(br =="m4")) {
		document[imageName].src = eval(imageName + "off.src");
	}
}