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

if (br == "n3") {
img1on = new Image( );
img1on.src  = "images/nav1_on2.gif";
img2on = new Image( );
img2on.src  = "images/nav2_on2.gif";	
img3on = new Image( );
img3on.src  = "images/nav3_on2.gif";	
img4on = new Image( );
img4on.src  = "images/nav4_on2.gif";			
img6on = new Image( );
img6on.src  = "images/nav6_on2.gif";
img7on = new Image( );
img7on.src  = "images/nav7_on2.gif";
img8on = new Image( );
img8on.src  = "images/nav8_on2.gif";		
img9on = new Image( );
img9on.src  = "images/nav_top_corp_on.gif";	
img10on = new Image( );
img10on.src  = "images/nav_top_apt_on.gif";	
img11on = new Image( );
img11on.src  = "images/nav_top_senior_on.gif";	


img1off = new Image( );
img1off.src  = "images/nav1_off2.gif";
img2off = new Image( );
img2off.src  = "images/nav2_off2.gif";	
img3off = new Image( );
img3off.src  = "images/nav3_off2.gif";	
img4off = new Image( );
img4off.src  = "images/nav4_off2.gif";			
img6off = new Image( );
img6off.src  = "images/nav6_off2.gif";
img7off = new Image( );
img7off.src  = "images/nav7_off2.gif";
img8off = new Image( );
img8off.src  = "images/nav8_off2.gif";		
img9off = new Image( );
img9off.src  = "images/nav_top_corp_off.gif";	
img10off = new Image( );
img10off.src  = "images/nav_top_apt_off.gif";	
img11off = new Image( );
img11off.src  = "images/nav_top_senior_off.gif";


}

function imgAct(imgName) {
if (br == "n3") {
document[imgName].src = eval(imgName + "on.src");
}
}

function imgInact(imgName) {
if (br == "n3") {
document[imgName].src = eval(imgName + "off.src");
}
}