function setVariables() {
if (navigator.appName == "Netscape") {
v = ".top=";
dS = "document.";
sD = "";
y = "window.pageYOffset";
iH = "window.innerHeight";
}

else {
v = ".pixelTop=";
dS = "";
sD = ".style";
y = "document.body.scrollTop";
iH = "document.body.clientHeight";
}
xyz = 500;
innerY = eval(y) + 15 ;
object = "logo";
checkLocationA();
}
movey = 0;
ydiff = 0;
ystart = 0;


function checkLocation() {
yy = eval(y);
ydiff = ystart - yy;
if ((ydiff < (-1)) || (ydiff > (1))) movey = Math.round(ydiff / 10), ystart -= movey;
eval(dS + object + sD + v + (ystart + innerY));
setTimeout("checkLocation()", 10);
}

function checkLocationA() {
ystart = eval(y);
}

function switchLogo(abc) {
if (abc == "menu") {
eval(dS + object + sD + v + 0);
object = abc;
}
else xyz = setTimeout("delayLogo()", 2000)
}

function delayLogo() {
eval(dS + object + sD + v + 0);
object = 'logo';
}