/*  Autor, Entwicklung 8/2002 Kristof Lipfert Duesseldorf    */
/*  Version 2005-12-09                                  */

/*

05.11.10 - v1.0.0 - jt - ie6() eingefügt
06.12.10 - v1.0.0 - jt - is ie() added
*/

function _getBrowser(){
	if(document.ids)x='nc4';
	else if( document.all && !document.getElementById )x='ie4';
	else if( window.opera && !document.createElement )x='op5';
	else if( window.opera && window.getComputedStyle )  {
	          if(document.createRange)x='op8';
	            else if(window.navigate)x='op7.5';
	                             else x='op7.2';                   }
	else if( window.opera && document.compatMode )x='op7';
	else if( window.opera && document.releaseEvents )x='op6';
	else if( document.contains && !window.opera )x='kq3';
	else if(window.pkcs11&&window.XML)x='f15';
	else if( window.getSelection && window.atob )x='nn7/safari';
	else if( window.getSelection && !document.compatMode )x='nn6';
	else if( window.clipboardData && document.compatMode )
	  x=window.XMLHttpRequest? 'IE7' : 'IE6';
		else if( window.clipboardData ){x='ie5';
     if( !document.createDocumentFragment ) x+='.5';
   	 if( document.doctype && !window.print ) x+='m';}
	else if( document.getElementById && !document.all ) x='op4';
	else if( document.images && !document.all ) x='nn3';
	else if(document.clientWidth&&!window.RegExp)x='kq2';
	else x='none';

	return x;
}

function ie6() {
	return getBrowser()=="IE6";
}

function is_ie(){
	return (window.clipboardData && document.compatMode);
}


/*
17.12.2010, cn: neuer Versuch, Quelle: http://www.quirksmode.org/js/detect.html
*/
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();

function getBrowser(){
	var ret = BrowserDetect.browser;
	if(BrowserDetect.browser.match(/Explorer/)){ ret = "IE"; }
	var version = BrowserDetect.version.toString();
	var subversions = version.split(/\./);
	
	return ret + subversions[0];
}