BrAg = window.navigator.userAgent;
BrAN = window.navigator.appName;
BrAV = window.navigator.appVersion;

function IsIE()
{
	return BrAg.indexOf("MSIE") > 0;
}

function menu(x)
{
    if (IsIE()) document.all[x].style.visibility="visible";
    else return false;
}

function hide(x)
{
    if (IsIE()) document.all[x].style.visibility="hidden";
    else return false;
}