function go()
		{			
			if ( goodAgent() )
				document.location.href = 'hr/index.html';
			else				
				document.location.href = 'std/index.html';
		}
		
		function goodAgent()
		{
			var an = navigator.appName.toLowerCase();
			var acn = navigator.appCodeName.toLowerCase();
			var ver = navigator.appVersion;
			
			ver = ver.substring( 0, ver.indexOf( '.' ) );
			
			if ( acn != 'mozilla' )
				return false;
				
			if ( navigator.product && navigator.product.toLowerCase() == 'gecko' && parseInt( ver ) >= 5 )
				return true;
				
			if ( an == 'netscape' && parseInt( ver ) >= 5 )
				return true;
				
			if ( an == 'microsoft internet explorer' && parseInt( ver ) >= 4 )
				return true;
				
			if ( an == 'opera' && parseInt( ver ) >= 9 )
				return true;
				
			return false;		
		}