(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 = [
	
	        // 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 ) ],
	
			// 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) && (agt.indexOf('mac')!=-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;
	
})();