browserName = navigator.appName;browserVer = parseInt(navigator.appVersion);
if ((browserName == "Netscape" && browserVer >= 3) | (browserVer >=4)) version ="yes";
else version = "no";
if (version == "yes") {
nav1on = new Image();nav1on.src = "/images/m/home_on.jpg";nav2on = new Image();nav2on.src = "/images/m/bookone_on.jpg";nav3on = new Image();nav3on.src = "/images/m/booktwo_on.jpg";nav4on = new Image();nav4on.src = "/images/m/bookthree_on.jpg";nav5on = new Image();nav5on.src = "/images/m/downloads_on.jpg";nav6on = new Image();nav6on.src = "/images/m/author_on.jpg";nav7on = new Image();nav7on.src = "/images/m/links_on.jpg";
nav1off = new Image();nav1off.src = "/images/m/home_off.jpg";nav2off = new Image();nav2off.src = "/images/m/bookone_off.jpg";nav3off = new Image();nav3off.src = "/images/m/booktwo_off.jpg";nav4off = new Image();nav4off.src = "/images/m/bookthree_off.jpg";nav5off = new Image();nav5off.src = "/images/m/downloads_off.jpg";nav6off = new Image();nav6off.src = "/images/m/author_off.jpg";nav7off = new Image();nav7off.src = "/images/m/links_off.jpg";
}
function img_act(imgName) { if (version == "yes") { imgOn = eval(imgName + "on.src"); document [imgName].src = imgOn; } }
function img_inact(imgName) { if (version == "yes") { imgOff = eval(imgName + "off.src"); document [imgName].src = imgOff; } }

function ClearIt(signup) {if (signup.value == signup.defaultValue) {signup.value = ""}}