function BrowserCheck()
{

var nav = navigator.appName;

	if (nav == "Netscape")
	{
		nav = "ns";
	}
	else if (nav == "Microsoft Internet Explorer")
	{
		nav = "ie";
	}
	else if (nav == "Opera")
	{
		nav = "oa";
	}
	else {
		nav =  nav;
	}
	
        return(nav);

}

function PlatformCheck()
{

var ua = navigator.userAgent.toLowerCase();

        if (ua.indexOf("win") > -1)
        {
        	ua = "win";
        }
        else if (ua.indexOf("mac") > -1)
        {
        	ua = "mac";
        }
        else {
        	ua = "win";
        }

        return(ua);
}