<!-- Hide from old browsers
if (navigator.appVersion.indexOf("2.") != -1){
	check = false;
	}
if ((navigator.appVersion.indexOf("3.") != -1) && (navigator.appName.indexOf("Explorer") != -1)){
	check = false;
	}
else {
	check = true;
	}
image1= new Image();
image1.src = "/images/mastheadMidTop.gif";
image1on = new Image();
image1on.src = "/images/mastheadMidTopOn.gif";
image2= new Image();
image2.src = "/images/mastheadMidBot.gif";
image2on = new Image();
image2on.src = "/images/mastheadMidBotOn.gif";
function imageon(name)   {
        document[name].src = eval(name + "on.src");
}
function imageoff(name)  {
        document[name].src = eval(name + ".src");
}
function on(name)  {
        if (check == true){
	imageon(name);
	}
}
function off(name)  {
        if (check == true){
	imageoff(name);
	}
}
// -->