/*
 * jReject (jQuery Browser Rejection Plugin)
 * Version 1.0.0
 * URL: http://jreject.turnwheel.com/
 * Description: jReject is a easy method of rejecting specific browsers on your site
 * Author: Steven Bower (TurnWheel Designs) http://turnwheel.com/
 * Copyright: Copyright (c) 2009-2011 Steven Bower under dual MIT/GPL license.
 */

(function($) {
$.reject = function(opts) {
	var opts = $.extend(true,{
		reject : { // Rejection flags for specific browsers
			all: false, // Covers Everything (Nothing blocked)
			msie5: true,msie6: true, msie7: true, // Covers MSIE 5-6 (Blocked by default)
			opera7:true, opera8:true, opera9:true, 
			firefox1: true,firefox2: true,firefox3: true,firefox4: true,firefox5: true,firefox6: true,
			safari2: true,safari3: true,safari4: true,
			konqueror:true,
			unknown: true
			
			/*
				Possibilities are endless...

				msie: false,msie5: true,msie6: true,msie7: false,msie8: false, // MSIE Flags (Global, 5-8)
				firefox: false,firefox1: false,firefox2: false,firefox3: false, // Firefox Flags (Global, 1-3)
				konqueror: false,konqueror1: false,konqueror2: false,konqueror3: false, // Konqueror Flags (Global, 1-3)
				chrome: false,chrome1: false,chrome2: false,chrome3: false,chrome4: false, // Chrome Flags (Global, 1-4)
				safari: false,safari2: false,safari3: false,safari4: false, // Safari Flags (Global, 1-4)
				opera: false,opera7: false,opera8: false,opera9: false,opera10: false, // Opera Flags (Global, 7-10)
				gecko: false,webkit: false,trident: false,khtml: false,presto: false, // Rendering Engines (Gecko, Webkit, Trident, KHTML, Presto)
				win: false,mac: false,linux : false,solaris : false,iphone: false, // Operating Systems (Win, Mac, Linux, Solaris, iPhone)
				unknown: false // Unknown covers everything else
			*/
		},
		display: [], // What browsers to display and their order (default set below)
		browserInfo: { // Settings for which browsers to display
			firefox: {
				text: 'Firefox', // Text below the icon
				url: 'http://www.mozilla.com/firefox/' // URL For icon/text link
			},
			safari: {
				text: 'Safari',
				url: 'http://www.apple.com/safari/download/'
			},
			chrome: {
				text: 'Chrome',
				url: 'http://www.google.com/chrome/'
			},
			gcf: {
				text: 'Google Chrome Frame',
				url: 'http://code.google.com/chrome/chromeframe/',
				allow: { all: false, msie: false } // This browser option will only be displayed for MSIE
			},
			opera: {
				text: 'Opera',
				url: 'http://www.opera.com/download/',
				allow: { all: false}
			},
			msie: {
				text: 'Internet Explorer',
				url: 'http://www.microsoft.com/windows/Internet-explorer/'
			}
		},
		header: 'Ihr Browser wird nicht unterstützt!', // Header of pop-up window
		paragraph1: 'Ihr Browser ist entweder nicht auf dem neuesten Stand oder wird von uns nicht unterstützt!', // Paragraph 1
		paragraph2: 'Bitte nutzen Sie einen der folgenden Browser:', // Paragraph 2
		close: true, // Allow closing of window
		closeMessage: 'Mit dem Schließen des Fensters kann es zu unerwünschten Effekten kommen', // Message displayed below closing link
		closeLink: 'Fenster schließen', // Text for closing link
		closeURL: '#', // Close URL
		closeESC: true, // Allow closing of window with esc key
		closeCookie: true, // If cookies should be used to remmember if the window was closed (see cookieSettings for more options)
		// Cookie settings are only used if closeCookie is true
		cookieSettings: {
			path: '/', // Path for the cookie to be saved on (should be root domain in most cases)
			expires: 0 // Expiration Date (in seconds), 0 (default) means it ends with the current session
		},
		imagePath: '/images/browsers/', // Path where images are located
		overlayBgColor: '#000', // Background color for overlay
		overlayOpacity: 0.8, // Background transparency (0-1)
		fadeInTime: 'fast', // Fade in time on open ('slow','medium','fast' or integer in ms)
		fadeOutTime: 'fast' // Fade out time on close ('slow','medium','fast' or integer in ms)
	},opts);

	// Set default browsers to display if not already defined
	if (opts.display.length < 1)
		opts.display = ['firefox','chrome','msie','safari','opera','gcf'];

	// beforeRject: Customized Function
	if ($.isFunction(opts.beforeReject)) opts.beforeReject(opts);

	// Disable 'closeESC' if closing is disabled (mutually exclusive)
	if (!opts.close) opts.closeESC = false;

	// This function parses the advanced browser options
	var browserCheck = function(settings) {
		// Check 1: Look for 'all' forced setting
		// Check 2: Operating System (eg. 'win','mac','linux','solaris','iphone')
		// Check 3: Rendering engine (eg. 'webkit', 'gecko', 'trident')
		// Check 4: Browser name (eg. 'firefox','msie','chrome')
		// Check 5: Browser+major version (eg. 'firefox3','msie7','chrome4')
		return (settings['all'] ? true : false) ||
			(settings[$.os.name] ? true : false) ||
			(settings[$.layout.name] ? true : false) ||
			(settings[$.browser.name] ? true : false) ||
			(settings[$.browser.className] ? true : false);
	};

	// Determine if we need to display rejection for this browser, or exit
	if (!browserCheck(opts.reject)) {
		// onFail: Customized Function
		if ($.isFunction(opts.onFail)) opts.onFail(opts);
		return false;
	}

	// If user can close and set to remmember close, initiate cookie functions
	if (opts.close && opts.closeCookie) {
		// Local global setting for the name of the cookie used
		var COOKIE_NAME = 'jreject-close';

		// Cookies Function: Handles creating/retrieving/deleting cookies
		// Cookies are only used for opts.closeCookie parameter functionality
		var _cookie = function(name, value) {
			if (typeof value != 'undefined') {
				var expires = '';

				// Check if we need to set an expiration date
				if (opts.cookieSettings.expires != 0) {
					var date = new Date();
					date.setTime(date.getTime()+(opts.cookieSettings.expires));
					var expires = "; expires="+date.toGMTString();
				}

				// Get path from settings
				var path = opts.cookieSettings.path || '/';

				// Set Cookie with parameters
				document.cookie = name+'='+
					encodeURIComponent(value == null ? '' : value)+expires+
					'; path='+path;
			}
			else { // Get cookie value
				var cookie,val = null;

				if (document.cookie && document.cookie != '') {
					var cookies = document.cookie.split(';');

					// Loop through all cookie values
					var clen = cookies.length;
					for (var i = 0; i < clen; ++i) {
						cookie = $.trim(cookies[i]);

						// Does this cookie string begin with the name we want?
						if (cookie.substring(0,name.length+1) == (name+'=')) {
							var len = name.length;
							val = decodeURIComponent(cookie.substring(len+1));
							break;
						}
					}
				}

				return val; // Return cookie value
			}
		};

		// If cookie is set, return false and don't display rejection
		if (_cookie(COOKIE_NAME) != null) return false;
	}

	// Load background overlay (jr_overlay) + Main wrapper (jr_wrap) +
	// Inner Wrapper (jr_inner) w/ opts.header (jr_header) +
	// opts.paragraph1/opts.paragraph2 if set
	var html = '<div id="jr_overlay"></div><div id="jr_wrap"><div id="jr_inner">'+
		'<h1 id="jr_header">'+opts.header+'</h1>'+
		(opts.paragraph1 === '' ? '' : '<p>'+opts.paragraph1+'</p>')+
		(opts.paragraph2 === '' ? '' : '<p>'+opts.paragraph2+'</p>')+'<ul>';

	var displayNum = 0; // Tracks number of browsers being displayed
	// Generate the browsers to display
	for (var x in opts.display) {
		var browser = opts.display[x]; // Current Browser
		var info = opts.browserInfo[browser] || false; // Browser Information

		// If no info exists for this browser
		// or if this browser is not suppose to display to this user
		if (!info || (info['allow'] != undefined && !browserCheck(info['allow']))) {
			continue;
		}

		var url = info.url || '#'; // URL to link text/icon to
		// Generate HTML for this browser option
		html += '<li id="jr_'+browser+'"><div class="jr_icon"></div>'+
				'<div><a href="'+url+'">'+(info.text || 'Unknown')+'</a>'+
				'</div></li>';
		++displayNum; // Increment number of browser being displayed
	}

	// Close list and #jr_list
	html += '</ul><div id="jr_close">'+
	// Display close links/message if set
	(opts.close ? '<a href="'+opts.closeURL+'">'+opts.closeLink+'</a>'+
		'<p>'+opts.closeMessage+'</p>' : '')+'</div>'+
	// Close #jr_inner and #jr_wrap
	'</div></div>';

	var element = $('<div>'+html+'</div>'); // Create element
	var size = _pageSize(); // Get page size
	var scroll = _scrollSize(); // Get page scroll

	// This function handles closing this reject window
	// When clicked, fadeOut and remove all elements
	element.bind('closejr', function() {
		// Make sure the permission to close is granted
		if (!opts.close) return false;

		// Customized Function
		if ($.isFunction(opts.beforeClose)) opts.beforeClose(opts);

		// Remove binding function so it
		// doesn't get called more than once
		$(this).unbind('closejr');

		// Fade out background and modal wrapper
		$('#jr_overlay,#jr_wrap').fadeOut(opts.fadeOutTime,function() {
			$(this).remove(); // Remove element from DOM

			// afterClose: Customized Function
			if ($.isFunction(opts.afterClose)) opts.afterClose(opts);
		});

		// Show elements that were hidden for layering issues
		$('embed, object, select, applet').show();

		// Set close cookie for next run
		if (opts.closeCookie) _cookie(COOKIE_NAME,'true');
		return true;
	});

	// Tracks clicks in Google Analytics (category 'External Links')
	// only if opts.analytics is enabled
	var analytics = function (url) {
		if (!opts.analytics) return false;

		// Get just the hostname
		var host = url.split(/\/+/g)[1];

		// Send external link event to Google Analaytics
		// Attempts both versions of analytics code. (Newest first)
		try {
			// Newest analytics code
			_gaq.push(['_trackEvent','External Links',  host, url]);
		} catch (e) {
			try {
				// Older analytics code
				pageTracker._trackEvent('External Links', host, url);
			} catch (e) { };
		}
	};

	// Called onClick for browser links (and icons)
	// Opens link in new window
	var openBrowserLinks = function(url) {
		// Send link to analytics if enabled
		analytics(url);

		// Open window, generate random id value
		window.open(url, 'jr_'+ Math.round(Math.random()*11));

		return false;
	};

	/*
	 * Trverse through element DOM and apply JS variables
	 * All CSS elements that do not require JS will be in
	 * css/jquery.jreject.css
	 */

	// Creates 'background' (div)
	element.find('#jr_overlay').css({
		width: size[0],
		height: size[1],
		background: opts.overlayBgColor,
		opacity: opts.overlayOpacity
	});

	// Wrapper for our pop-up (div)
	element.find('#jr_wrap').css({
		top: scroll[1]+(size[3]/4),
		left: scroll[0]
	});

	// Wrapper for inner centered content (div)
	element.find('#jr_inner').css({
		minWidth: displayNum*100,
		maxWidth: displayNum*140,
		// min/maxWidth not supported by IE
		width: $.layout.name == 'trident' ? displayNum*155 : 'auto'
	});

	element.find('#jr_inner li').css({ // Browser list items (li)
		background: 'transparent url("'+opts.imagePath+'background_browser.gif")'+
					'no-repeat scroll left top'
	});

	element.find('#jr_inner li .jr_icon').each(function() {
		// Dynamically sets the icon background image
		var self = $(this);
		self.css('background','transparent url('+opts.imagePath+'browser_'+
				(self.parent('li').attr('id').replace(/jr_/,''))+'.gif)'+
					' no-repeat scroll left top');

		// Send link clicks to openBrowserLinks
		self.click(function () {
			var url = $(this).next('div').children('a').attr('href');
			openBrowserLinks(url);
		});
	});

	element.find('#jr_inner li a').click(function() {
		openBrowserLinks($(this).attr('href'));
		return false;
	});

	// Bind closing event to trigger closejr
	// to be consistant with ESC key close function
	element.find('#jr_close a').click(function() {
		$(this).trigger('closejr');

		// If plain anchor is set, return false so there is no page jump
		if (opts.closeURL === '#') return false;
	});

	// Set focus (fixes ESC key issues with forms and other focus bugs)
	$('#jr_overlay').focus();

	// Hide elements that won't display properly
	$('embed, object, select, applet').hide();

	// Append element to body of document to display
	$('body').append(element.hide().fadeIn(opts.fadeInTime));

	// Handle window resize/scroll events and update overlay dimensions
	$(window).bind('resize scroll',function() {
		var size = _pageSize(); // Get size

		// Update overlay dimensions based on page size
		$('#jr_overlay').css({
			width: size[0],
			height: size[1]
		});

		var scroll = _scrollSize(); // Get page scroll

		// Update modal position based on scroll
		$('#jr_wrap').css({
			top: scroll[1] + (size[3]/4),
			left: scroll[0]
		});
	});

	// Add optional ESC Key functionality
	if (opts.closeESC) {
		$(document).bind('keydown',function(event) {
			// ESC = Keycode 27
			if (event.keyCode == 27) element.trigger('closejr');
		});
	}

	// afterReject: Customized Function
	if ($.isFunction(opts.afterReject)) opts.afterReject(opts);

	return true;
};

// Based on compatibility data from quirksmode.com
var _pageSize = function() {
	var xScroll = window.innerWidth && window.scrollMaxX ?
				window.innerWidth + window.scrollMaxX :
				(document.body.scrollWidth > document.body.offsetWidth ?
				document.body.scrollWidth : document.body.offsetWidth);

	var yScroll = window.innerHeight && window.scrollMaxY ?
				window.innerHeight + window.scrollMaxY :
				(document.body.scrollHeight > document.body.offsetHeight ?
				document.body.scrollHeight : document.body.offsetHeight);

	var windowWidth = window.innerWidth ? window.innerWidth :
				(document.documentElement && document.documentElement.clientWidth ?
				document.documentElement.clientWidth : document.body.clientWidth);

	var windowHeight = window.innerHeight ? window.innerHeight :
				(document.documentElement && document.documentElement.clientHeight ?
				document.documentElement.clientHeight : document.body.clientHeight);

	return [
		xScroll < windowWidth ? xScroll : windowWidth, // Page Width
		yScroll < windowHeight ? windowHeight : yScroll, // Page Height
		windowWidth,windowHeight
	];
};


// Based on compatibility data from quirksmode.com
var _scrollSize = function() {
	return [
		// scrollSize X
		window.pageXOffset ? window.pageXOffset : (document.documentElement &&
				document.documentElement.scrollTop ?
				document.documentElement.scrollLeft : document.body.scrollLeft),

		// scrollSize Y
		window.pageYOffset ? window.pageYOffset : (document.documentElement &&
				document.documentElement.scrollTop ?
				document.documentElement.scrollTop : document.body.scrollTop)
	];
};
})(jQuery);

/*
 * jQuery Browser Plugin
 * Version 2.4 / jReject 1.0.0
 * URL: http://jquery.thewikies.com/browser
 * Description: jQuery Browser Plugin extends browser detection capabilities and
 * can assign browser selectors to CSS classes.
 * Author: Nate Cavanaugh, Minhchau Dang, Jonathan Neal, & Gregory Waxman
 * Updated By: Steven Bower for use with jReject plugin
 * Copyright: Copyright (c) 2008 Jonathan Neal under dual MIT/GPL license.
 */

(function ($) {
	$.browserTest = function (a, z) {
		var u = 'unknown',
			x = 'X',
			m = function (r, h) {
				for (var i = 0; i < h.length; i = i + 1) {
					r = r.replace(h[i][0], h[i][1]);
				}

				return r;
			}, c = function (i, a, b, c) {
				var r = {
					name: m((a.exec(i) || [u, u])[1], b)
				};

				r[r.name] = true;

				if (!r.opera) {
					r.version = (c.exec(i) || [x, x, x, x])[3];
				}
				else {
					r.version = window.opera.version();
				}

				if (/safari/.test(r.name) && r.version > 400) {
					r.version = '2.0';
				}
				else if (r.name === 'presto') {
					r.version = ($.browser.version > 9.27) ? 'futhark' : 'linear_b';
				}

				r.versionNumber = parseFloat(r.version, 10) || 0;
				var minorStart = 1;
				if (r.versionNumber < 100 && r.versionNumber > 9) {
					minorStart = 2;
				}
				r.versionX = (r.version !== x) ? r.version.substr(0, minorStart) : x;
				r.className = r.name + r.versionX;

				return r;
			};

		a = (/Opera|Navigator|Minefield|KHTML|Chrome/.test(a) ? m(a, [
			[/(Firefox|MSIE|KHTML,\slike\sGecko|Konqueror)/, ''],
			['Chrome Safari', 'Chrome'],
			['KHTML', 'Konqueror'],
			['Minefield', 'Firefox'],
			['Navigator', 'Netscape']
		]) : a).toLowerCase();

		$.browser = $.extend((!z) ? $.browser : {}, c(a,
			/(camino|chrome|firefox|netscape|konqueror|lynx|msie|opera|safari)/, [],
			/(camino|chrome|firefox|netscape|netscape6|opera|version|konqueror|lynx|msie|safari)(\/|\s)([a-z0-9\.\+]*?)(\;|dev|rel|\s|$)/
			)
		);

		$.layout = c(a, /(gecko|konqueror|msie|opera|webkit)/, [
			['konqueror', 'khtml'],
			['msie', 'trident'],
			['opera', 'presto']
		], /(applewebkit|rv|konqueror|msie)(\:|\/|\s)([a-z0-9\.]*?)(\;|\)|\s)/);

		$.os = {
			name: (/(win|mac|linux|sunos|solaris|iphone)/.
					exec(navigator.platform.toLowerCase()) || [u])[0]
						.replace('sunos', 'solaris')
		};

		if (!z) {
			$('html').addClass([$.os.name, $.browser.name, $.browser.className,
				$.layout.name, $.layout.className].join(' '));
		}
	};

	$.browserTest(navigator.userAgent);
}(jQuery));