var detect = navigator.userAgent.toLowerCase();
var browser,thestring;

if (checkIt('msie'))
{
browser = "Internet Explorer";
}
else if (!checkIt('compatible'))
{
browser = "Netscape Navigator";
}
else browser = "An unknown browser";

function checkIt(string)
{
place = detect.indexOf(string) + 1;
thestring = string;
return place;
}

function noScrollIE()
{
document.body.scroll="no";
}
function scrollIE()
{
document.body.scroll="yes";
}
function noScrollNS()
{
document.width= window.innerWidth;
document.height=window.innerHeight;
}
function scrollNS()
{
document.width=1000;
document.height=1000;
}

function removeScrollBars()
{
if (browser = "Internet Explorer")
{
noScrollIE();
}
else if (browser = "Netscape Navigator")
{
noScrollNS();
}
}