var BrowserDetect =
{
	init: function ( )
	{
		this.browser = this.searchString( this.dataBrowser ) || "An unknown browser";
		this.version = this.searchVersion( navigator.userAgent )
			|| this.searchVersion( navigator.appVersion )
			|| "an unknown version";
		this.OS = this.searchString( this.dataOS ) || "an unknown OS";
	},
	searchString: function ( data )
	{
		for ( var i = 0; i < data.length; i++ )
		{
			var dataString = data[ i ].string;
			var dataProp = data[ i ].prop;
			this.versionSearchString = data[ i ].versionSearch || data[ i ].identity;
			if ( dataString )
			{
				if ( dataString.indexOf( data[ i ].subString ) != -1)
					return data[ i ].identity;
			}
			else if ( dataProp )
				return data[ i ].identity;
		}
	},
	searchVersion: function ( dataString )
	{
		var index = dataString.indexOf( this.versionSearchString );
		if ( index == -1 ) return;
		return parseFloat( dataString.substring( index + this.versionSearchString.length + 1 ) );
	},
	dataBrowser:
	[
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{	// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 	// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS :
	[
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			   string: navigator.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init( );