with (navigator) { var uA  = userAgent, aN = appName, aV = parseInt(appVersion); }
var ie  = (aN.indexOf('Micr') != -1);
var ns  = (aN.indexOf('Nets') != -1);
var mac = (uA.indexOf('Mac') != -1 || uA.indexOf('mac') != -1);
var win	= (uA.indexOf('Win') != -1 || uA.indexOf('win') != -1);
// Adjust Version Number for MSIE
if( ie )
	{
	aV =  parseInt( navigator.userAgent.substr( navigator.userAgent.indexOf( "MSIE" )+4,4 ) );
	};

var NS  = (aN.indexOf('Nets') != -1) ? true : false;
var IE  = (aN.indexOf('Micr') != -1) ? true : false;
var ver4 = 0;
var ver5 = 0;
if( aV >= 4 && aV < 5 ) ver4 = 1;
if( aV >= 5 ) ver5 = 1;

function nullFn()
{
	return;
}

function ieBreak()
{
if( IE )
	{
	document.write("<br>");
	};
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages()
{
	var loadList = new Array;
	var listLen = preLoadList.length;
	
	for( counter = 0 ; counter < listLen ; counter++ )
		{	
		if (document.images)
			{
			loadList[counter] = newImage( preLoadList[counter] );
	
			preloadFlag = true;
			};
		};
}

function nsReload() 
{
if (NS && ver4) 
	{
	window.location.reload();
	}
}