var Browser = {
	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: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			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.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};


Browser.init();

var MOZ    = 0;
var IE5    = 1 ;
var IE6    = 2 ;
var IE7    = 3 ;
var OPERA  = 4 ;
var SAFARI = 5 ;
var OTHER  = 6 ;

var ConstValue = 6;

Browser.get_name = function() 
{
	switch ( Browser.ConstValue ) 
	{
		case 0:
			return "moz";
			break;
		case 1:
			return "ie5";
			break;
		case 2:
			return "ie6";
			break;
		case 3:
			return "ie7";
			break;			
		case 4:
			return "opera";
			break;
		case 5:
			return "safari";
			break;
		case 6:
			return "other";
			break;
		default: 
			return "moz";
	}
}

switch ( Browser.browser ) {
	
	case "MSIE":
	case "Explorer":
		switch (Math.floor( Browser.version ) ) {
			case 7:
				ConstValue = IE7;
				break;
			case 6:
				ConstValue = IE6;
				break;
			case 5:
				ConstValue = IE5;
				break;
			default:
				ConstValue = OTHER;
		}
		break;
		
	case "Netscape":
		if( Math.floor( Browser.version ) < 5 ) {
			ConstValue = OTHER;
		} else {
			ConstValue = MOZ;
		}
		break;
		
	case "Mozilla":
		ConstValue = MOZ;
		break;
		
	case "Firefox":
		switch (Math.floor( Browser.version ) ) {
			case 1:
				ConstValue = MOZ;
				break;
			case 2:
				ConstValue = MOZ;
				break;
			default:
				ConstValue = MOZ;
				break;
		}
		break;
		
	case "Safari":
	case "Konqueror":
		ConstValue = SAFARI;
		break;

	case "Opera":
		ConstValue = OTHER;
		break;

	default:
		ConstValue = OTHER;
}			

Browser.ConstValue = ConstValue;