var NS4 = ( document.layers ) ? 1 : 0;
var IE4 = ( document.all ) ? 1 : 0;
var DOM = ((document.getElementById) && (!IE4)) ? 1 : 0;
var MAC = ( ( navigator.appVersion.indexOf("PPC") > 0 ) || ( navigator.appVersion.indexOf( "Mac" ) > 0 ) ) ? 1 : 0;
var OPERA = ( navigator.appName.indexOf( "Opera" ) >= 0 ) ? 1 : 0;
function ShowLayer() { return; };
function OutLayer() { return; };
if (document.layers) {
	appVer = navigator.appVersion.substring(0,4);
	if (appVer < 4.06) NS4 = 0;
}
//if ( ( NS4 || IE4 || DOM ) && !OPERA ) globalPulldown = 1;
if ( ( IE4 || DOM ) && !OPERA ) globalPulldown = 1;
if (!globalPulldown) event = null;