var netscape = 0;
var goodIE = 0;
var iLength;
var flag = 1;
var delay = 2400;
	browserName = navigator.appName.substring(0,8);
	browserVer = parseFloat(navigator.appVersion);

if (browserName == "Netscape" && browserVer >= 3)
	{
		
			netscape = 1; 
	
	}
if (browserName == "Microsof" && browserVer >= 4)
	{
		goodIE = 1; 
		delay=9000; 
	}
if (netscape || goodIE) 
	{ 
		mapButtons = new Array(9);
		
		for (m=0; m<=8; m++) 
		{
			mapButtons[m] = new Image(); 
		}
		mapButtons[0].src = "/images/na_u.gif"; 
		mapButtons[1].src = "/images/na_s.gif";
		mapButtons[2].src = "/images/sa_u.gif"; 
		mapButtons[3].src = "/images/sa_s.gif"; 
		mapButtons[4].src = "/images/europe_u.gif"; 
		mapButtons[5].src = "/images/europe_s.gif"; 
		mapButtons[6].src = "/images/asia_u.gif"; 
		mapButtons[7].src = "/images/asia_s.gif"; 
		
	} 
 
 
function nAmericaD() 
	{ 
	if ((netscape || goodIE) && flag) 
		{ 
			
			document.nAmerica.src = mapButtons[1].src;
			window.status='North America'; 
		}
	} 
function nAmericaU() 
	{ 
	if ((netscape || goodIE) && flag) 
		{ 
			document.nAmerica.src = mapButtons[0].src; 
		}
	} 
function sAmericaD() 
	{ 
	if ((netscape || goodIE) && flag) 
		{ 
			document.sAmerica.src = mapButtons[3].src; 
			window.status='South America';
		}
	} 
function sAmericaU() 
	{ 
	if ((netscape || goodIE) && flag) 
		{ 
			document.sAmerica.src = mapButtons[2].src; 
		}
	}
function europeD() 
	{ 
	if ((netscape || goodIE) && flag) 
		{ 
			document.europe.src = mapButtons[5].src;
			window.status='Europe'; 
		}
	}
function europeU() 
	{
	if ((netscape || goodIE) && flag) 
		{
			document.europe.src = mapButtons[4].src; 
		}
	}

function asiaD() 
	{
	if ((netscape || goodIE) && flag) 
		{
			document.asia.src = mapButtons[7].src; 
			window.status='Asia';
		}
	}
function asiaU() 
	{
	if ((netscape || goodIE) && flag) 
		{
			document.asia.src = mapButtons[6].src; 
		}
	}