/* detection du navigateur

------------------------------------------------------------------------------*/

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.vendor,

			subString: "Apple",

			identity: "Safari"

		},

		{

			prop: window.opera,

			identity: "Opera"

		},

		{

			string: navigator.userAgent,

			subString: "Firefox",

			identity: "Firefox"

		},

		{

			string: navigator.userAgent,

			subString: "MSIE",

			identity: "Explorer",

			versionSearch: "MSIE"

		}

	],

	dataOS : [

		{

			string: navigator.platform,

			subString: "Win",

			identity: "Windows"

		},

		{

			string: navigator.platform,

			subString: "Mac",

			identity: "Mac"

		},

		{

			string: navigator.platform,

			subString: "Linux",

			identity: "Linux"

		}

	]

};

BrowserDetect.init();

/* variables

------------------------------------------------------------------------------*/

var browser = "js";

var addclass = "class";

/* detection du systeme d'exploitation

------------------------------------------------------------------------------*/

if(BrowserDetect.OS == "Mac")				browser += " mac";

if(BrowserDetect.OS == "Linux")			browser += " linux";

if(BrowserDetect.OS == "Windows")		browser += " win";

/* attribution des classes

------------------------------------------------------------------------------*/

if(BrowserDetect.browser == "Firefox")	browser += " firefox";

if(BrowserDetect.browser == "Opera" )	browser += " opera";

if(BrowserDetect.browser == "Safari")	browser += " safari";

if(BrowserDetect.browser == "Explorer")addclass = "className";

/* ecriture des classes

------------------------------------------------------------------------------*/

//document.getElementsByTagName("HTML")[0].setAttribute(addclass, browser);
document.getElementsByTagName("HTML")[0].className = browser;

/* EOF

------------------------------------------------------------------------------*/