(function()
{		
        // NAVIGATOR USER AGENT
        var agt 		= navigator.userAgent.toLowerCase();
        var appVer		= navigator.appVersion.toLowerCase();

        var is_minor            = parseFloat(appVer);
        var is_major            = parseInt(is_minor);

        var iePos		= appVer.indexOf('msie');

        if ( iePos != -1 )
        {
            is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)));
            is_major = parseInt(is_minor);
        }
        
        //Konqueror
       
        var is_konq = false;
        var kqPos   = agt.indexOf('konqueror');
        
        if ( kqPos !=-1 )
        {
            is_konq  = true;
            is_minor = parseFloat(agt.substring(kqPos+10,agt.indexOf(';',kqPos)));
            is_major = parseInt(is_minor);
        }

        //Is_Khtml
        var is_khtml 	= (((agt.indexOf('safari')!=-1) && (agt.indexOf('mac')!=-1)) && ( is_konq ));

        //Is_Opera
        var is_opera	= (agt.indexOf("opera") != -1 );

        //Is_IE
        var is_ie		= ((iePos!=-1) && (!is_opera) && (!is_khtml));

        // Gecko
        var is_gecko = ((!is_khtml)&&(navigator.product)&&(navigator.product.toLowerCase()=="gecko"))?true:false;
        var is_gver  = 0;
        
        if (is_gecko)
            is_gver = navigator.productSub;

        // Moz
        var is_moz   = ((agt.indexOf('mozilla/5')!=-1) && (agt.indexOf('spoofer')==-1) &&
                        (agt.indexOf('compatible')==-1) && (agt.indexOf('opera')==-1)  &&
                        (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)     &&
                        (is_gecko) && ((navigator.vendor=="")||(navigator.vendor=="Mozilla")));

        var _browser = [

            // Chrome	
            ['chrome8', ( agt.indexOf('chrome/8') != -1 ) ],
            ['chrome11', ( agt.indexOf('chrome/11') != -1 ) ],

            // EPIPHANY	
            ['epiphany2', ( agt.indexOf('epiphany/2') != -1 ) ],

            // FIREFOX
            ['firefox1', ( agt.indexOf('firefox/1') != -1 ) ],
            ['firefox2', ( agt.indexOf('firefox/2') != -1 ) ],
            ['firefox3', ( agt.indexOf('firefox/3') != -1 ) ],
            ['firefox4', ( agt.indexOf('firefox/4') != -1 ) ],
            ['firefox5', ( agt.indexOf('firefox/5') != -1 ) ],
            

            // ICEWEASEL
            ['iceweasel3', (agt.indexOf('iceweasel/3') != -1 ) ],

            // IE
            ['ie3',	(((iePos!=-1) && (!is_opera) && (!is_khtml)) && (is_major < 4 )) ],
            ['ie4', (((iePos!=-1) && (!is_opera) && (!is_khtml)) && (is_major == 4 )) ],
            ['ie5', (((iePos!=-1) && (!is_opera) && (!is_khtml)) && (is_major == 5 )) ],
            ['ie55', (((iePos!=-1) && (!is_opera) && (!is_khtml)) && (agt.indexOf("msie 5.5") !=-1 )) ], 
            ['ie6', (((iePos!=-1) && (!is_opera) && (!is_khtml)) && (is_major == 6 )) ],
            ['ie7', (((iePos!=-1) && (!is_opera) && (!is_khtml)) && (is_major == 7 )) ],
            ['ie8', (((iePos!=-1) && (!is_opera) && (!is_khtml)) && (is_major == 8 )) ],

            //IS?
            ['is_ie', ((iePos!=-1) && (!is_opera) && (!is_khtml)) ],
            ['is_gecko', is_gecko ],
            ['is_opera', is_opera ],
            ['is_khtml', is_khtml ],
            ['is_moz', is_moz ],

            // OPERA
            ['is_opera', is_opera],
            ['opera2', ( agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1) ],
            ['opera3', ( agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1) ],
            ['opera4', ( agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1) ],
            ['opera5', ( agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1) ],
            ['opera6', ( agt.indexOf("opera 6") != -1 || agt.indexOf("opera/6") != -1) ],
            ['opera7', ( agt.indexOf("opera 7") != -1 || agt.indexOf("opera/7") != -1) ],
            ['opera8', ( agt.indexOf("opera 8") != -1 || agt.indexOf("opera/8") != -1) ],
            ['opera9', ( agt.indexOf("opera 9") != -1 || agt.indexOf("opera/9") != -1) ],

            // IS SAFARI/KHTML
            ['safari', ( agt.indexOf('safari') != -1 ) ],
            ['khtml', is_khtml ]
        ];

        function isCompatible()
        {
            if( arguments.length > 0 )
            {
                var _args = arguments;

                for( i = 0; i < _args.length; i++ )
                {
                    for( j = 0; j < _browser.length; j++ )
                    {
                        if( _args[i].toLowerCase() === _browser[j][0] )
                        {
                            if( _browser[j][1] )
                                return true;
                        }
                    }	
                }

                return false;
            }
        }

        function SnifferBrowser()
        {
        }

        SnifferBrowser.prototype.isCompatible = isCompatible;

        window.SnifferBrowser = new SnifferBrowser;
	
})();

/*  Script utilizado para detectar o browser

	Variaveis Globais no Expresso:

	OS 		-> retorna o Sistema Operacional
	browser -> retorna o nome do Browser
	version -> retorna a versão do Browser
	isExplorer -> retorna true se Browser for Internet Explorer
*/
	var detect = navigator.userAgent.toLowerCase();
	var OS,browser,version,total,thestring;
	var isExplorer = false;

	if (checkIt('konqueror'))
	{
		browser = "Konqueror";
		OS = "Linux";
	}
	else if (checkIt('safari')) browser = "Safari"
	else if (checkIt('omniweb')) browser = "OmniWeb"
	else if (checkIt('opera')) browser = "Opera"
	else if (checkIt('webtv')) browser = "WebTV";
	else if (checkIt('icab')) browser = "iCab";
	else if (checkIt('msie')) {browser = "Internet Explorer";isExplorer=true;}
	else if (!checkIt('compatible'))
	{
		browser = "Netscape Navigator"
		version = detect.charAt(8);
	}
	else browser = "An unknown browser";
	
	if (!version) version = detect.charAt(place + thestring.length);
	
	if (!OS)
	{
		if (checkIt('linux')) OS = "Linux";
		else if (checkIt('x11')) OS = "Unix";
		else if (checkIt('mac')) OS = "Mac"
		else if (checkIt('win')) OS = "Windows"
		else OS = "an unknown operating system";
	}
	
	function checkIt(string)
	{
		place = detect.indexOf(string) + 1;
		thestring = string;
		return place;
	}