function w3tc_popup(url, name, width, height) {
	if (width === undefined) {
		width = 800;
	}
	if (height === undefined) {
		height = 600;
	}

	return window.open(url, name, 'width=' + width + ',height=' + height + ',status=no,toolbar=no,menubar=no,scrollbars=yes');
}

function w3tc_input_enable(input, enabled) {
	jQuery(input).each(function() {
		var me = jQuery(this);
		if (enabled) {
			me.removeAttr('disabled');
		} else {
			me.attr('disabled', 'disabled');
		}

		if (enabled) {
			me.next('[type=hidden]').remove();
		} else {
			var t = me.attr('type');
			if ((t != 'radio' && t != 'checkbox') || me.is(':checked')) {
				me.after(jQuery('<input />').attr({
					type: 'hidden',
					name: me.attr('name')
				}).val(me.val()));
			}
		}
	});
}

function w3tc_minify_js_file_clear() {
	if (!jQuery('#js_files :visible').size()) {
		jQuery('#js_files_empty').show();
	} else {
		jQuery('#js_files_empty').hide();
	}
}

function w3tc_minify_css_file_clear() {
	if (!jQuery('#css_files :visible').size()) {
		jQuery('#css_files_empty').show();
	} else {
		jQuery('#css_files_empty').hide();
	}
}

function w3tc_mobile_groups_clear() {
	if (!jQuery('#mobile_groups li').size()) {
		jQuery('#mobile_groups_empty').show();
	} else {
		jQuery('#mobile_groups_empty').hide();
	}
}

function w3tc_referrer_groups_clear() {
	if (!jQuery('#referrer_groups li').size()) {
		jQuery('#referrer_groups_empty').show();
	} else {
		jQuery('#referrer_groups_empty').hide();
	}
}

function w3tc_minify_js_file_add(theme, template, location, file) {
	var append = jQuery('<li><table><tr><th>&nbsp;</th><th>File URI:</th><th>Template:</th><th colspan="3">Embed Location:</th></tr><tr><td>' + (jQuery('#js_files li').size() + 1) + '.</td><td><input class="js_enabled" type="text" name="js_files[' + theme + '][' + template + '][' + location + '][]" value="" size="70" \/></td><td><select class="js_file_template js_enabled"></select></td><td><select class="js_file_location js_enabled"><option value="include">Embed in &lt;head&gt;</option><option value="include-body">Embed after &lt;body&gt;</option><option value="include-footer">Embed before &lt;/body&gt;</option></select></td><td><input class="js_file_delete js_enabled button" type="button" value="Delete" /> <input class="js_file_verify js_enabled button" type="button" value="Verify URI" /></td></tr></table><\/li>');
	append.find('input:text').val(file);
	var select = append.find('.js_file_template');
	for (var i in minify_templates[theme]) {
		select.append(jQuery('<option />').val(i).html(minify_templates[theme][i]));
	}
	select.val(template);
	jQuery(append).find('.js_file_location').val(location);
	jQuery('#js_files').append(append).find('li:last input:first').focus();
	w3tc_minify_js_file_clear();
}

function w3tc_minify_css_file_add(theme, template, file) {
	var append = jQuery('<li><table><tr><th>&nbsp;</th><th>File URI:</th><th colspan="2">Template:</th></tr><tr><td>' + (jQuery('#css_files li').size() + 1) + '.</td><td><input class="css_enabled" type="text" name="css_files[' + theme + '][' + template + '][include][]" value="" size="70" \/></td><td><select class="css_file_template css_enabled"></select></td><td><input class="css_file_delete css_enabled button" type="button" value="Delete" /></td><td><input class="css_file_verify css_enabled button" type="button" value="Verify URI" /></td></tr></table><\/li>');
	append.find('input:text').val(file);
	var select = append.find('.css_file_template');
	for (var i in minify_templates[theme]) {
		select.append(jQuery('<option />').val(i).html(minify_templates[theme][i]));
	}
	select.val(template);
	jQuery('#css_files').append(append).find('li:last input:first').focus();
	w3tc_minify_css_file_clear();
}

function w3tc_minify_js_theme(theme) {
	jQuery('#js_themes').val(theme);
	jQuery('#js_files :text').each(function() {
		var input = jQuery(this);
		if (input.attr('name').indexOf('js_files[' + theme + ']') != 0) {
			input.parents('li').hide();
		} else {
			input.parents('li').show();
		}
	});
	w3tc_minify_js_file_clear();
}

function w3tc_minify_css_theme(theme) {
	jQuery('#css_themes').val(theme);
	jQuery('#css_files :text').each(function() {
		var input = jQuery(this);
		if (input.attr('name').indexOf('css_files[' + theme + ']') != 0) {
			input.parents('li').hide();
		} else {
			input.parents('li').show();
		}
	});
	w3tc_minify_css_file_clear();
}

function w3tc_cdn_get_cnames() {
	var cnames = [];

	jQuery('#cdn_cnames input[type=text]').each(function() {
		var cname = jQuery(this).val();

		if (cname) {
			var match = /^\*\.(.*)$/.exec(cname);

			if (match) {
				cnames = [];
				for (var i = 1; i <= 10; i++) {
					cnames.push('cdn' + i + '.' + match[1]);
				}
				return false;
			}

			cnames.push(cname);
		}
	});

	return cnames;
}

function w3tc_cdn_cnames_assign() {
	var li = jQuery('#cdn_cnames li'), size = li.size();

	if (size > 1) {
		li.eq(0).find('.cdn_cname_delete').show();
	} else {
		li.eq(0).find('.cdn_cname_delete').hide();
	}

	jQuery(li).each(function(index) {
		var label = '';

		if (size > 1) {
			switch (index) {
				case 0:
					label = '(reserved for CSS)';
					break;

				case 1:
					label = '(reserved for JS in <head>)';
					break;

				case 2:
					label = '(reserved for JS after <body>)';
					break;

				case 3:
					label = '(reserved for JS before </body>)';
					break;
			}
		}

		jQuery(this).find('span').text(label);
	});
}

function w3tc_toggle(name, check) {
	if (check === undefined) {
		check = true;
	}

	var id = '#' + name, cls = '.' + name;

	jQuery(cls).click(function() {
		var checked = check;

		jQuery(cls).each(function() {
			var _checked = jQuery(this).is(':checked');

			if ((check && !_checked) || (!check && _checked)) {
				checked = !check;

				return false;
			}
		});

		if (checked) {
			jQuery(id).attr('checked', 'checked');
		} else {
			jQuery(id).removeAttr('checked');
		}
	});

	jQuery(id).click(function() {
		var checked = jQuery(this).is(':checked');
		jQuery(cls).each(function() {
			if (checked) {
				jQuery(this).attr('checked', 'checked');
			} else {
				jQuery(this).removeAttr('checked');
			}
		});
	});
}

function w3tc_toggle2(name, dependent_ids) {
	var id = '#' + name, dependants = '', n;
	for (n = 0; n < dependent_ids.length; n++)
		dependants += (n > 0 ? ',' : '') + '#' + dependent_ids[n];

	jQuery(dependants).click(function() {
		var total_checked = true;

		jQuery(dependants).each(function() {
			var current_checked = jQuery(this).is(':checked');

			if (!current_checked)
				total_checked = false;
		});

		if (total_checked) {
			jQuery(id).attr('checked', 'checked');
		} else {
			jQuery(id).removeAttr('checked');
		}
	});

	jQuery(id).click(function() {
		var checked = jQuery(this).is(':checked');
		jQuery(dependants).each(function() {
			if (checked) {
				jQuery(this).attr('checked', 'checked');
			} else {
				jQuery(this).removeAttr('checked');
			}
		});
	});
}

function w3tc_beforeupload_bind() {
	jQuery(window).bind('beforeunload', w3tc_beforeunload);
}

function w3tc_beforeupload_unbind() {
	jQuery(window).unbind('beforeunload', w3tc_beforeunload);
}

function w3tc_beforeunload() {
	return 'Navigate away from this page without saving your changes?';
}

function w3tc_starts_with(s, starts_with) {
	s = s.replace(/\n/g, '');
	s = s.replace(/\s/g, '');
	return s.substr(0, starts_with.length) == starts_with;
}

function w3tc_security_headers() {
	var directive_description =
		{
			browsercache_security_hsts_directive:
			{
				maxage: 'The time, in seconds (as defined under the "Expires Header Lifetime" box of "Media & Other Files"), that the browser should remember that this site is only to be accessed using <acronym title="HyperText Transfer Protocol over SSL">HTTPS</acronym>. This only affects the site\'s main domain.',
				maxagepre: 'The time, in seconds (as defined under the "Expires Header Lifetime" box of "Media & Other Files"), that the browser should remember that this site is only to be accessed using <acronym title="HyperText Transfer Protocol over SSL">HTTPS</acronym> with a request to be included in Chrome\'s HSTS preload list - a list of sites that are hardcoded into Chrome as being <acronym title="HyperText Transfer Protocol over SSL">https</acronym> only. This only affects the site\'s main domain.',
				maxageinc: 'The time, in seconds (as defined under the "Expires Header Lifetime" box of "Media & Other Files"), that the browser should remember that this site is only to be accessed using <acronym title="HyperText Transfer Protocol over SSL">HTTPS</acronym>. This affects the site\'s subdomains as well.',
				maxageincpre: 'The time, in seconds (as defined under the "Expires Header Lifetime" box of "Media & Other Files"), that the browser should remember that this site is only to be accessed using <acronym title="HyperText Transfer Protocol over SSL">HTTPS</acronym> with a request to be included in Chrome\'s HSTS preload list - a list of sites that are hardcoded into Chrome as being <acronym title="HyperText Transfer Protocol over SSL">https</acronym> only. This affects the site\'s subdomains as well.'
			},
			browsercache_security_xfo_directive:
			{
				same: "The page can only be displayed in a frame on the same origin as the page itself.",
				deny: "The page cannot be displayed in a frame, regardless of the site attempting to do so.",
				allow: "The page can only be displayed in a frame on the specified URL."
			},
			browsercache_security_xss_directive:
			{
				0: "Disables XSS filtering.",
				1: "Enables XSS filtering (usually default in browsers). If a cross-site scripting attack is detected, the browser will sanitize the page (remove the unsafe parts).",
				block: "Enables <acronym title='Cross-Site Scripting'>XSS</acronym> filtering. Rather than sanitizing the page, the browser will prevent rendering of the page if an attack is detected."
			},
			browsercache_security_pkp_extra:
			{
				maxage: 'The time, in seconds (as defined under the "Expires Header Lifetime" box of "Media & Other Files"), that the browser should remember that this site is only to be accessed using one of the defined keys. This only affects the site\'s main domain.',
				maxageinc: 'The time, in seconds (as defined under the "Expires Header Lifetime" box of "Media & Other Files"), that the browser should remember that this site is only to be accessed using one of the defined keys. This affects the site\'s subdomains as well.'
			},
			browsercache_security_pkp_report_only:
			{
				0: 'This instructs the browser to enforce the <acronym title="HTTP Public Key Pinning">HPKP</acronym> policy.',
				1: 'This sets up <acronym title="HTTP Public Key Pinning">HPKP</acronym> without enforcement allowing you to use pinning to test its impact without the risk of a failed connection caused by your site being unreachable or <acronym title="HTTP Public Key Pinning">HPKP</acronym> being misconfigured.'
			}
		};

	jQuery('#browsercache_security_hsts_directive,#browsercache_security_xfo_directive,#browsercache_security_xss_directive,#browsercache_security_pkp_extra,#browsercache_security_pkp_report_only').change(
	function() {
		jQuery('#' + jQuery(this).attr('id') + '_description').html('<i>' + directive_description[jQuery(this).attr('id')][jQuery(this).val()] + '</i>');
			if (jQuery(this).attr('id') == 'browsercache_security_xfo_directive') {
				if (jQuery(this).val() == 'allow') {
					jQuery('#browsercache_security_xfo_allow').show();
				}else {
					jQuery('#browsercache_security_xfo_allow').hide();
				}
			}
	});

	if(jQuery('#browsercache_security_xfo_allow').length) {
		if (jQuery('#browsercache_security_xfo_directive').val() == 'allow') {
			jQuery('#browsercache_security_xfo_allow').show();
		} else {
			jQuery('#browsercache_security_xfo_allow').hide();
		}
		jQuery('#browsercache_security_hsts_directive,#browsercache_security_xfo_directive,#browsercache_security_xss_directive,#browsercache_security_pkp_extra,#browsercache_security_pkp_report_only').change();
	}
}

function w3tc_csp_reference() {
	W3tc_Lightbox.open({
		id: 'w3tc-overlay',
		close: '',
		width: 890,
		height: 460,
		url: ajaxurl + '?action=w3tc_ajax&_wpnonce=' + w3tc_nonce +
    		'&w3tc_action=browsercache_quick_reference',
	});
	jQuery('div#overlay,.lightbox-content').click(function() {
		W3tc_Lightbox.close();
	});
}

jQuery(function() {
	// general page
	jQuery('.w3tc_read_technical_info').click(function() {
		jQuery('.w3tc_technical_info').toggle();
	});

	jQuery('#plugin_license_key_verify').click(function() {
		jQuery('.w3tc_license_verification').html("Checking...");

		var license_key = jQuery('#plugin_license_key').val();

		if (!license_key) {
			jQuery('.w3tc_license_verification').html('Please enter an license key and try again.');
			return;
		}
		var params = {
			action: 'w3tc_verify_plugin_license_key',
			license_key: license_key
		};

		jQuery.get(ajaxurl, params, function(data) {
			if (w3tc_starts_with(data + '.', 'inactive.expired.')) {
				jQuery('.w3tc_license_verification').html('The license key has expired. Please renew it.');
			} else if (w3tc_starts_with(data + '.', 'active.')) {
				jQuery('.w3tc_license_verification').html('License key is correct.');
			} else if (w3tc_starts_with(data + '.', 'inactive.by_rooturi.activations_limit_not_reached.')) {
				jQuery('.w3tc_license_verification').html('License key is correct and can be activated now.');
			} else if (w3tc_starts_with(data + '.', 'inactive.by_rooturi.')) {
				jQuery('.w3tc_license_verification').html('License key is correct but already in use on another site. See the FAQ for how to enable Pro version in development mode.');
			} else {
				jQuery('.w3tc_license_verification').html('The license key is not valid. Please check it and try again.');
			}
		}).fail(function() {
			jQuery('.w3tc_license_verification').html('Check failed');
		})
	});

	// pagecache page
	w3tc_input_enable('#pgcache_reject_roles input[type=checkbox]', jQuery('#pgcache__reject__logged_roles:checked').size());
	jQuery('#pgcache__reject__logged_roles').on('click', function () {
		w3tc_input_enable('#pgcache_reject_roles input[type=checkbox]', jQuery('#pgcache__reject__logged_roles:checked').size());
	});

	if(jQuery('#pgcache__cache__nginx_handle_xml').is('*'))
		jQuery('#pgcache__cache__nginx_handle_xml').attr('checked',jQuery('#pgcache__cache__feed').is(':checked'));

	jQuery('#pgcache__cache__feed').change(function(){
		if(jQuery('#pgcache__cache__nginx_handle_xml').is('*'))
			jQuery('#pgcache__cache__nginx_handle_xml').attr('checked',this.checked);
	});

	// browsercache page
	w3tc_toggle2('browsercache_last_modified',
		['browsercache__cssjs__last_modified', 'browsercache__html__last_modified',
			'browsercache__other__last_modified']);
	w3tc_toggle2('browsercache_expires',
		['browsercache__cssjs__expires', 'browsercache__html__expires',
			'browsercache__other__expires']);
	w3tc_toggle2('browsercache_cache_control',
		['browsercache__cssjs__cache__control', 'browsercache__html__cache__control',
			'browsercache__other__cache__control']);
	w3tc_toggle2('browsercache_etag',
		['browsercache__cssjs__etag', 'browsercache__html__etag',
			'browsercache__other__etag']);
	w3tc_toggle2('browsercache_w3tc',
		['browsercache__cssjs__w3tc', 'browsercache__html__w3tc',
			'browsercache__other__w3tc']);
	w3tc_toggle2('browsercache_compression',
		['browsercache__cssjs__compression', 'browsercache__html__compression',
			'browsercache__other__compression']);
	w3tc_toggle2('browsercache_brotli',
		['browsercache__cssjs__brotli', 'browsercache__html__brotli',
			'browsercache__other__brotli']);
	w3tc_toggle2('browsercache_replace',
		['browsercache__cssjs__replace', 'browsercache__other__replace']);
	w3tc_toggle2('browsercache_querystring',
		['browsercache__cssjs__querystring', 'browsercache__other__querystring']);
	w3tc_toggle2('browsercache_nocookies',
		['browsercache__cssjs__nocookies', 'browsercache__other__nocookies']);

	w3tc_security_headers();

	// minify page
	w3tc_input_enable('.html_enabled', jQuery('#minify__html__enable:checked').size());
	w3tc_input_enable('.js_enabled', jQuery('#minify__js__enable:checked').size());
	w3tc_input_enable('.css_enabled', jQuery('#minify__css__enable:checked').size());

	w3tc_minify_js_theme(jQuery('#js_themes').val());
	w3tc_minify_css_theme(jQuery('#css_themes').val());

	jQuery('#minify__html__enable').click(function() {
		w3tc_input_enable('.html_enabled', this.checked);
	});

	jQuery('#minify__js__enable').click(function() {
		w3tc_input_enable('.js_enabled', jQuery(this).is(':checked'));
	});

	jQuery('#minify__css__enable').click(function() {
		w3tc_input_enable('.css_enabled', jQuery(this).is(':checked'));
	});

	jQuery('.js_file_verify,.css_file_verify').on('click', function () {
		var file = jQuery(this).parents('li').find(':text').val();
		if (file == '') {
			alert('Empty URI');
		} else {
			var url = '';
			if (/^https?:\/\//.test(file)) {
				url = file;
			} else {
				url = '/' + file;
			}
			w3tc_popup(url, 'file_verify');
		}
	});

	jQuery('.js_file_template').on('change', function () {
		jQuery(this).parents('li').find(':text').attr('name', 'js_files[' + jQuery('#js_themes').val() + '][' + jQuery(this).val() + '][' + jQuery(this).parents('li').find('.js_file_location').val() + '][]');
	});

	jQuery('.css_file_template').on('change', function () {
		jQuery(this).parents('li').find(':text').attr('name', 'css_files[' + jQuery('#css_themes').val() + '][' + jQuery(this).val() + '][include][]');
	});

	jQuery('.js_file_location').on('change', function () {
		jQuery(this).parents('li').find(':text').attr('name', 'js_files[' + jQuery('#js_themes').val() + '][' + jQuery(this).parents('li').find('.js_file_template').val() + '][' + jQuery(this).val() + '][]');
	});

	jQuery('.js_file_delete').on('click', function () {
		var parent = jQuery(this).parents('li');
		if (parent.find('input[type=text]').val() == '' || confirm('Are you sure you want to remove this JS file?')) {
			parent.remove();
			w3tc_minify_js_file_clear();
			w3tc_beforeupload_bind();
		}

		return false;
	});

	jQuery('.css_file_delete').on('click', function () {
		var parent = jQuery(this).parents('li');
		if (parent.find('input[type=text]').val() == '' || confirm('Are you sure you want to remove this CSS file?')) {
			parent.remove();
			w3tc_minify_css_file_clear();
			w3tc_beforeupload_bind();
		}

		return false;
	});

	jQuery('#js_file_add').click(function() {
		w3tc_minify_js_file_add(jQuery('#js_themes').val(), 'default', 'include', '');
	});

	jQuery('#css_file_add').click(function() {
		w3tc_minify_css_file_add(jQuery('#css_themes').val(), 'default', '');
	});

	jQuery('#js_themes').change(function() {
		w3tc_minify_js_theme(jQuery(this).val());
	});

	jQuery('#css_themes').change(function() {
		w3tc_minify_css_theme(jQuery(this).val());
	});

	jQuery('#minify_form').submit(function() {
		var js = [], css = [], invalid_js = [], invalid_css = [], duplicate = false, query_js = [], query_css = [];

		jQuery('#js_files :text').each(function() {
			var v = jQuery(this).val(), n = jQuery(this).attr('name'), c = v + n, g = '';
			var match = /js_files\[([a-z0-9_\/]+)\]/.exec(n);
			if (match) {
				g = '[' + jQuery('#js_themes option[value=' + match[1] + ']').text() + '] ' + v;
			}
			if (v != '') {
				for (var i = 0; i < js.length; i++) {
					if (js[i] == c) {
						duplicate = true;
						break;
					}
				}

				js.push(c);

				var qindex = v.indexOf('?');
				if (qindex != -1) {
					if (!/^(https?:)?\/\//.test(v)) {
						query_js.push(g);
					}
					v = v.substr(0, qindex);
				} else if (!/\.js$/.test(v)) {
					invalid_js.push(g);
				}
			}
		});

		jQuery('#css_files :text').each(function() {
			var v = jQuery(this).val(), n = jQuery(this).attr('name'), c = v + n, g = '';
			var match = /css_files\[([a-z0-9_\/]+)\]/.exec(n);
			if (match) {
				g = '[' + jQuery('#css_themes option[value=' + match[1] + ']').text() + '] ' + v;
			}
			if (v != '') {
				for (var i = 0; i < css.length; i++) {
					if (css[i] == c) {
						duplicate = true;
						break;
					}
				}

				css.push(c);

				var qindex = v.indexOf('?');
				if (qindex != -1) {
					if (!/^(https?:)?\/\//.test(v)) {
						query_css.push(g);
					}
					v = v.substr(0, qindex);
				} else if (!/\.css$/.test(v)) {
					invalid_css.push(g);
				}
			}
		});

		if (jQuery('#js_enabled:checked').size()) {
			if (invalid_js.length && !confirm('The following files have invalid JS file extension:\r\n\r\n' + invalid_js.join('\r\n') + '\r\n\r\nAre you confident these files contain valid JS code?')) {
				return false;
			}

			if (query_js.length) {
				alert('We recommend using the entire URI for files with query string (GET) variables. You entered:\r\n\r\n' + query_js.join('\r\n'));
				return false;
			}
		}

		if (jQuery('#css_enabled:checked').size()) {
			if (invalid_css.length && !confirm('The following files have invalid CSS file extension:\r\n\r\n' + invalid_css.join('\r\n') + '\r\n\r\nAre you confident these files contain valid CSS code?')) {
				return false;
			}

			if (query_css.length) {
				alert('We recommend using the entire URI for files with query string (GET) variables. You entered:\r\n\r\n' + query_css.join('\r\n'));
				return false;
			}
		}

		if (duplicate) {
			alert('Duplicate files have been found in your minify settings, please check your settings and re-save.');
			return false;
		}

		return true;
	});

	// CDN
	jQuery('.w3tc-tab').click(function() {
		jQuery('.w3tc-tab-content').hide();
		jQuery(this.rel).show();
	});

	w3tc_input_enable('#cdn_reject_roles input[type=checkbox]', jQuery('#cdn__reject__logged_roles:checked').size());
	jQuery('#cdn__reject__logged_roles').on('click', function () {
		w3tc_input_enable('#cdn_reject_roles input[type=checkbox]', jQuery('#cdn__reject__logged_roles:checked').size());
	});

	jQuery('#cdn_export_library').click(function() {
		w3tc_popup('admin.php?page=w3tc_cdn&w3tc_cdn_export_library&_wpnonce=' + jQuery(this).metadata().nonce, 'cdn_export_library');
	});

	jQuery('#cdn_import_library').click(function() {
		w3tc_popup('admin.php?page=w3tc_cdn&w3tc_cdn_import_library&_wpnonce=' + jQuery(this).metadata().nonce, 'cdn_import_library');
	});

	jQuery('#cdn_queue').click(function() {
		w3tc_popup('admin.php?page=w3tc_cdn&w3tc_cdn_queue&_wpnonce=' + jQuery(this).metadata().nonce, 'cdn_queue');
	});

	jQuery('#cdn_rename_domain').click(function() {
		w3tc_popup('admin.php?page=w3tc_cdn&w3tc_cdn_rename_domain&_wpnonce=' + jQuery(this).metadata().nonce, 'cdn_rename_domain');
	});

	jQuery('#cdn_purge').click(function() {
		w3tc_popup('admin.php?page=w3tc_cdn&w3tc_cdn_purge&_wpnonce=' + jQuery(this).metadata().nonce, 'cdn_purge');
	});

	jQuery('.cdn_export').click(function() {
		var metadata = jQuery(this).metadata();
		w3tc_popup('admin.php?page=w3tc_cdn&w3tc_cdn_export&cdn_export_type=' + metadata.type + '&_wpnonce=' + metadata.nonce, 'cdn_export_' + metadata.type);
	});

	jQuery('#validate_cdn_key').click(function() {
	  var me = jQuery(this);
	  var metadata = me.metadata();
	  w3tc_validate_cdn_key_result(metadata.type, metadata.nonce);
	});

	jQuery('#use_poll_zone').click(function() {
	  var me = jQuery(this);
	  var metadata = me.metadata();
	  w3tc_use_poll_zone(metadata.type, metadata.nonce);
	});

	jQuery('#cdn_test').click(function() {
		var me = jQuery(this);
		var metadata = me.metadata();
		var cnames = w3tc_cdn_get_cnames();
		var params = {
			w3tc_cdn_test: 1,
			_wpnonce: metadata.nonce
		};

		switch (metadata.type) {
			case 'ftp':
				jQuery.extend(params, {
					engine: 'ftp',
					'config[host]': jQuery('#cdn_ftp_host').val(),
					'config[type]': jQuery('#cdn_ftp_type').val(),
					'config[user]': jQuery('#cdn_ftp_user').val(),
					'config[path]': jQuery('#cdn_ftp_path').val(),
					'config[pass]': jQuery('#cdn_ftp_pass').val(),
					'config[pasv]': jQuery('#cdn_ftp_pasv:checked').size(),
					'config[default_keys]': jQuery('#cdn__ftp__default_keys:checked').size(),
					'config[pubkey]': jQuery('#cdn_ftp_pubkey').val(),
					'config[privkey]': jQuery('#cdn_ftp_privkey').val()
				});

				if (cnames.length) {
					params['config[domain][]'] = cnames;
				}
				break;

			case 's3':
				jQuery.extend(params, {
					engine: 's3',
					'config[key]': jQuery('#cdn_s3_key').val(),
					'config[secret]': jQuery('#cdn_s3_secret').val(),
					'config[bucket]': jQuery('#cdn_s3_bucket').val(),
					'config[bucket_location]': jQuery('#cdn_s3_bucket_location').val()
				});

				if (cnames.length) {
					params['config[cname][]'] = cnames;
				}
				break;

			case 'cf':
				jQuery.extend(params, {
					engine: 'cf',
					'config[key]': jQuery('#cdn_cf_key').val(),
					'config[secret]': jQuery('#cdn_cf_secret').val(),
					'config[bucket]': jQuery('#cdn_cf_bucket').val(),
					'config[bucket_location]': jQuery('#cdn_cf_bucket_location').val(),
					'config[id]': jQuery('#cdn_cf_id').val()
				});

				if (cnames.length) {
					params['config[cname][]'] = cnames;
				}
				break;

			case 'cf2':
				jQuery.extend(params, {
					engine: 'cf2',
					'config[key]': jQuery('#cdn_cf2_key').val(),
					'config[secret]': jQuery('#cdn_cf2_secret').val(),
					'config[origin]': jQuery('#cdn_cf2_origin').val(),
					'config[id]': jQuery('#cdn_cf2_id').val()
				});

				if (cnames.length) {
					params['config[cname][]'] = cnames;
				}
				break;

			case 'rscf':
				jQuery.extend(params, {
					engine: 'rscf',
					'config[user]': jQuery('#cdn_rscf_user').val(),
					'config[key]': jQuery('#cdn_rscf_key').val(),
					'config[location]': jQuery('#cdn_rscf_location').val(),
					'config[container]': jQuery('#cdn_rscf_container').val(),
					'config[id]': jQuery('#cdn_rscf_id').val()
				});

				if (cnames.length) {
					params['config[cname][]'] = cnames;
				}
				break;

			case 'azure':
				jQuery.extend(params, {
					engine: 'azure',
					'config[user]': jQuery('#cdn_azure_user').val(),
					'config[key]': jQuery('#cdn_azure_key').val(),
					'config[container]': jQuery('#cdn_azure_container').val()
				});

				if (cnames.length) {
					params['config[cname][]'] = cnames;
				}
				break;

			case 'mirror':
				jQuery.extend(params, {
					engine: 'mirror'
				});

				if (cnames.length) {
					params['config[domain][]'] = cnames;
				}
				break;

			case 'cotendo':
				var zones = [], zones_val = jQuery('#cdn_cotendo_zones').val();

				if (zones_val) {
					zones = zones_val.split(/[\r\n,;]+/);
				}

				jQuery.extend(params, {
					engine: 'cotendo',
					'config[username]': jQuery('#cdn_cotendo_username').val(),
					'config[password]': jQuery('#cdn_cotendo_password').val()
				});

				if (zones.length) {
					params['config[zones][]'] = zones;
				}

				if (cnames.length) {
					params['config[domain][]'] = cnames;
				}
				break;
			case 'akamai':
				var emails = [], emails_val = jQuery('#cdn_akamai_email_notification').val();

				if (emails_val) {
					emails = emails_val.split(/[\r\n,;]+/);
				}

				jQuery.extend(params, {
					engine: 'akamai',
					'config[username]': jQuery('#cdn_akamai_username').val(),
					'config[password]': jQuery('#cdn_akamai_password').val(),
					'config[zone]': jQuery('#cdn_akamai_zone').val()
				});

				if (emails.length) {
					params['config[email_notification][]'] = emails;
				}

				if (cnames.length) {
					params['config[domain][]'] = cnames;
				}
				break;

			case 'edgecast':
				jQuery.extend(params, {
					engine: 'edgecast',
					'config[account]': jQuery('#cdn_edgecast_account').val(),
					'config[token]': jQuery('#cdn_edgecast_token').val()
				});

				if (cnames.length) {
					params['config[domain][]'] = cnames;
				}
				break;

			case 'att':
				jQuery.extend(params, {
					engine: 'att',
					'config[account]': jQuery('#cdn_att_account').val(),
					'config[token]': jQuery('#cdn_att_token').val()
				});

				if (cnames.length) {
					params['config[domain][]'] = cnames;
				}
				break;
			default:
				jQuery.extend(params, {
					engine: metadata.type
				});
		}

		var status = jQuery('#cdn_test_status');
		status.removeClass('w3tc-error');
		status.removeClass('w3tc-success');
		status.addClass('w3tc-process');

		var status2 = jQuery('#cdn_create_container_status');
		status2.removeClass('w3tc-error');
		status2.removeClass('w3tc-success');
		status2.html('');

		status.html('Testing...');

		jQuery.post('admin.php?page=w3tc_dashboard', params, function(data) {
			status.addClass(data.result ? 'w3tc-success' : 'w3tc-error');
			status.html(data.error);
		}, 'json').fail(function() {
			status.addClass('w3tc-error');
			status.html('Test failed');
		});
	});

	jQuery('#cdn_create_container').on('click', function () {
		var me = jQuery(this);
		var metadata = me.metadata();
		var cnames = w3tc_cdn_get_cnames();
		var container_id = null;
		var params = {
			w3tc_cdn_create_container: 1,
			_wpnonce: metadata.nonce
		};

		switch (metadata.type) {
			case 's3':
				jQuery.extend(params, {
					engine: 's3',
					'config[key]': jQuery('#cdn_s3_key').val(),
					'config[secret]': jQuery('#cdn_s3_secret').val(),
					'config[bucket]': jQuery('#cdn_s3_bucket').val(),
					'config[bucket_location]': jQuery('#cdn_s3_bucket_location').val()
				});

				if (cnames.length) {
					params['config[cname][]'] = cnames;
				}
				break;

			case 'cf':
				container_id = jQuery('#cdn_cf_id');

				jQuery.extend(params, {
					engine: 'cf',
					'config[key]': jQuery('#cdn_cf_key').val(),
					'config[secret]': jQuery('#cdn_cf_secret').val(),
					'config[bucket]': jQuery('#cdn_cf_bucket').val(),
					'config[bucket_location]': jQuery('#cdn_cf_bucket_location').val()
				});

				if (cnames.length) {
					params['config[cname][]'] = cnames;
				}
				break;

			case 'cf2':
				container_id = jQuery('#cdn_cf2_id');

				jQuery.extend(params, {
					engine: 'cf2',
					'config[key]': jQuery('#cdn_cf2_key').val(),
					'config[secret]': jQuery('#cdn_cf2_secret').val(),
					'config[origin]': jQuery('#cdn_cf2_origin').val(),
					'config[bucket_location]': jQuery('#cdn_cf2_bucket_location').val()
				});

				if (cnames.length) {
					params['config[cname][]'] = cnames;
				}
				break;

			case 'rscf':
				container_id = jQuery('#cdn_cnames input[type=text]:first');

				jQuery.extend(params, {
					engine: 'rscf',
					'config[user]': jQuery('#cdn_rscf_user').val(),
					'config[key]': jQuery('#cdn_rscf_key').val(),
					'config[location]': jQuery('#cdn_rscf_location').val(),
					'config[container]': jQuery('#cdn_rscf_container').val()
				});

				if (cnames.length) {
					params['config[cname][]'] = cnames;
				}
				break;

			case 'azure':
				jQuery.extend(params, {
					engine: 'azure',
					'config[user]': jQuery('#cdn_azure_user').val(),
					'config[key]': jQuery('#cdn_azure_key').val(),
					'config[container]': jQuery('#cdn_azure_container').val()
				});

				if (cnames.length) {
					params['config[cname][]'] = cnames;
				}
				break;
		}

		var status = jQuery('#cdn_create_container_status');
		status.removeClass('w3tc-error');
		status.removeClass('w3tc-success');
		status.addClass('w3tc-process');

		var status2 = jQuery('#cdn_test_status');
		status2.removeClass('w3tc-error');
		status2.removeClass('w3tc-success');
		status2.html('');

		status.html('Creating...');

		jQuery.post('admin.php?page=w3tc_dashboard', params, function(data) {
			status.addClass(data.result ? 'w3tc-success' : 'w3tc-error');
			status.html(data.error);

			if (container_id && container_id.size() && data.container_id) {
				container_id.val(data.container_id);
			}
		}, 'json').fail(function() {
			status.addClass('w3tc-error');
			status.html('failed');
		});
	});

	jQuery('#memcached_test').click(function() {
		var status = jQuery('#memcached_test_status');
		status.removeClass('w3tc-error');
		status.removeClass('w3tc-success');
		status.addClass('w3tc-process');
		status.html('Testing...');
		jQuery.post('admin.php?page=w3tc_dashboard', {
			w3tc_test_memcached: 1,
			servers: jQuery('#memcached_servers').val(),
			_wpnonce: jQuery(this).metadata().nonce
		}, function(data) {
			status.addClass(data.result ? 'w3tc-success' : 'w3tc-error');
			status.html(data.error);
		}, 'json')
		.fail(function() {
			status.addClass('w3tc-error');
			status.html('Request failed');
		});
	});

	jQuery('.w3tc_common_redis_test').click(function() {
		var status = jQuery('.w3tc_common_redis_test_result');
		status.removeClass('w3tc-error');
		status.removeClass('w3tc-success');
		status.addClass('w3tc-process');
		status.html('Testing...');
		jQuery.post('admin.php?page=w3tc_dashboard', {
			w3tc_test_redis: 1,
			servers: jQuery('#redis_servers').val(),
			dbid : jQuery('#redis_dbid').val(),
			password : jQuery('#redis_password').val(),
			_wpnonce: jQuery(this).metadata().nonce
		}, function(data) {
			status.addClass(data.result ? 'w3tc-success' : 'w3tc-error');
			status.html(data.error);
		}, 'json')
		.fail(function() {
			status.addClass('w3tc-error');
			status.html('Request failed');
		});
	});

	jQuery('.minifier_test').click(function() {
		var me = jQuery(this);
		var metadata = me.metadata();
		var params = {
			w3tc_test_minifier: 1,
			_wpnonce: metadata.nonce
		};

		switch (metadata.type) {
			case 'yuijs':
				jQuery.extend(params, {
					engine: 'yuijs',
					path_java: jQuery('#minify__yuijs__path__java').val(),
					path_jar: jQuery('#minify__yuijs__path__jar').val()
				});
				break;

			case 'yuicss':
				jQuery.extend(params, {
					engine: 'yuicss',
					path_java: jQuery('#minify__yuicss__path__java').val(),
					path_jar: jQuery('#minify__yuicss__path__jar').val()
				});
				break;

			case 'ccjs':
				jQuery.extend(params, {
					engine: 'ccjs',
					path_java: jQuery('#minify__ccjs__path__java').val(),
					path_jar: jQuery('#minify__ccjs__path__jar').val()
				});
				break;
			case 'googleccjs':
				jQuery.extend(params, {
					engine: 'googleccjs'
				});
				break;
		}

		var status = me.next();
		status.removeClass('w3tc-error');
		status.removeClass('w3tc-success');
		status.addClass('w3tc-process');
		status.html('Testing...');

		jQuery.post('admin.php?page=w3tc_dashboard', params, function(data) {
			status.addClass(data.result ? 'w3tc-success' : 'w3tc-error');
			status.html(data.error);
		}, 'json');
	});

	// CDN cnames
	jQuery('body').on('click', '#cdn_cname_add', function() {
		jQuery('#cdn_cnames').append('<li><input type="text" name="cdn_cnames[]" value="" size="60" /> <input class="button cdn_cname_delete" type="button" value="Delete" /> <span></span></li>');
		w3tc_cdn_cnames_assign();
		jQuery(this).trigger("size_change");
	});

	jQuery('.cdn_cname_delete').on('click', function () {
		var p = jQuery(this).parent();
		if (p.find('input[type=text]').val() == '' || confirm('Are you sure you want to remove this CNAME?')) {
			p.remove();
			w3tc_cdn_cnames_assign();
			w3tc_beforeupload_bind();
		}
	});

	jQuery('#cdn_form').submit(function() {
		var cnames = [], ret = true;

		jQuery('#cdn_cnames input[type=text]').each(function() {
			var cname = jQuery(this).val();

			if (cname) {
				if (jQuery.inArray(cname, cnames) != -1) {
					alert('CNAME "' + cname + '" already exists.');
					ret = false;

					return false;
				} else {
					cnames.push(cname);
				}
			}
		});

		return ret;
	});

	// mobile tab
	jQuery('#mobile_form').submit(function() {
		var error = false;

		jQuery('#mobile_groups li').each(function() {
			if (jQuery(this).find(':checked').size()) {
				var group = jQuery(this).find('.mobile_group').text();
				var theme = jQuery(this).find(':selected').val();
				var redirect = jQuery(this).find('input[type=text]').val();
				var agents = jQuery.trim(jQuery(this).find('textarea').val()).split("\n");

				jQuery('#mobile_groups li').each(function() {
					if (jQuery(this).find(':checked').size()) {
						var compare_group = jQuery(this).find('.mobile_group').text();
						if (compare_group != group) {
							var compare_theme = jQuery(this).find(':selected').val();
							var compare_redirect = jQuery(this).find('input[type=text]').val();
							var compare_agents = jQuery.trim(jQuery(this).find('textarea').val()).split("\n");

							if (compare_redirect == '' && redirect == '' && compare_theme != '' && compare_theme == theme) {
								alert('Duplicate theme "' + compare_theme + '" found in the group "' + group + '".');
								error = true;
								return false;
							}

							if (compare_redirect != '' && compare_redirect == redirect) {
								alert('Duplicate redirect "' + compare_redirect + '" found in the group "' + group + '".');
								error = true;
								return false;
							}

							jQuery.each(compare_agents, function(index, value) {
								if (jQuery.inArray(value, agents) != -1) {
									alert('Duplicate stem "' + value + '" found in the group "' + compare_group + '".');
									error = true;
									return false;
								}
							});
						}
					}
				});

				if (error) {
					return false;
				}
			}
		});

		if (error) {
			return false;
		}
	});

	jQuery('#mobile_add').click(function() {
		var group = prompt('Enter group name (only "0-9", "a-z", "_" symbols are allowed).');

		if (group !== null) {
			group = group.toLowerCase();
			group = group.replace(/[^0-9a-z_]+/g, '_');
			group = group.replace(/^_+/, '');
			group = group.replace(/_+$/, '');

			if (group) {
				var exists = false;

				jQuery('.mobile_group').each(function() {
					if (jQuery(this).html() == group) {
						alert('Group already exists!');
						exists = true;
						return false;
					}
				});

				if (!exists) {
					var li = jQuery('<li id="mobile_group_' + group + '"><table class="form-table"><tr><th>Group name:</th><td><span class="mobile_group_number">' + (jQuery('#mobile_groups li').size() + 1) + '.</span> <span class="mobile_group">' + group + '</span> <input type="button" class="button mobile_delete" value="Delete group" /></td></tr><tr><th><label for="mobile_groups_' + group + '_enabled">Enabled:</label></th><td><input type="hidden" name="mobile_groups[' + group + '][enabled]" value="0" /><input id="mobile_groups_' + group + '_enabled" type="checkbox" name="mobile_groups[' + group + '][enabled]" value="1" checked="checked" /></td></tr><tr><th><label for="mobile_groups_' + group + '_theme">Theme:</label></th><td><select id="mobile_groups_' + group + '_theme" name="mobile_groups[' + group + '][theme]"><option value="">-- Pass-through --</option></select><br /><span class="description">Assign this group of user agents to a specific them. Leaving this option "Active Theme" allows any plugins you have (e.g. mobile plugins) to properly handle requests for these user agents. If the "redirect users to" field is not empty, this setting is ignored.</span></td></tr><tr><th><label for="mobile_groups_' + group + '_redirect">Redirect users to:</label></th><td><input id="mobile_groups_' + group + '_redirect" type="text" name="mobile_groups[' + group + '][redirect]" value="" size="60" /><br /><span class="description">A 302 redirect is used to send this group of users to another hostname (domain); recommended if a 3rd party service provides a mobile version of your site.</span></td></tr><tr><th><label for="mobile_groups_' + group + '_agents">User agents:</label></th><td><textarea id="mobile_groups_' + group + '_agents" name="mobile_groups[' + group + '][agents]" rows="10" cols="50"></textarea><br /><span class="description">Specify the user agents for this group.</span></td></tr></table></li>');
					var select = li.find('select');

					jQuery.each(mobile_themes, function(index, value) {
						select.append(jQuery('<option />').val(index).html(value));
					});

					jQuery('#mobile_groups').append(li);
					w3tc_mobile_groups_clear();
					window.location.hash = '#mobile_group_' + group;
					li.find('textarea').focus();
				}
			} else {
				alert('Empty group name!');
			}
		}
	});

	jQuery('.mobile_delete').on('click', function () {
		if (confirm('Are you sure want to delete this group?')) {
			jQuery(this).parents('#mobile_groups li').remove();
			w3tc_mobile_groups_clear();
			w3tc_beforeupload_bind();
		}
	});

	w3tc_mobile_groups_clear();

	// referrer tab
	jQuery('#referrer_form').submit(function() {
		var error = false;

		jQuery('#referrer_groups li').each(function() {
			if (jQuery(this).find(':checked').size()) {
				var group = jQuery(this).find('.referrer_group').text();
				var theme = jQuery(this).find(':selected').val();
				var redirect = jQuery(this).find('input[type=text]').val();
				var agents = jQuery.trim(jQuery(this).find('textarea').val()).split("\n");

				jQuery('#referrer_groups li').each(function() {
					if (jQuery(this).find(':checked').size()) {
						var compare_group = jQuery(this).find('.referrer_group').text();
						if (compare_group != group) {
							var compare_theme = jQuery(this).find(':selected').val();
							var compare_redirect = jQuery(this).find('input[type=text]').val();
							var compare_agents = jQuery.trim(jQuery(this).find('textarea').val()).split("\n");

							if (compare_redirect == '' && redirect == '' && compare_theme != '' && compare_theme == theme) {
								alert('Duplicate theme "' + compare_theme + '" found in the group "' + group + '".');
								error = true;
								return false;
							}

							if (compare_redirect != '' && compare_redirect == redirect) {
								alert('Duplicate redirect "' + compare_redirect + '" found in the group "' + group + '".');
								error = true;
								return false;
							}

							jQuery.each(compare_agents, function(index, value) {
								if (jQuery.inArray(value, agents) != -1) {
									alert('Duplicate stem "' + value + '" found in the group "' + compare_group + '".');
									error = true;
									return false;
								}
							});
						}
					}
				});

				if (error) {
					return false;
				}
			}
		});

		if (error) {
			return false;
		}
	});

	jQuery('#referrer_add').click(function() {
		var group = prompt('Enter group name (only "0-9", "a-z", "_" symbols are allowed).');

		if (group !== null) {
			group = group.toLowerCase();
			group = group.replace(/[^0-9a-z_]+/g, '_');
			group = group.replace(/^_+/, '');
			group = group.replace(/_+$/, '');

			if (group) {
				var exists = false;

				jQuery('.referrer_group').each(function() {
					if (jQuery(this).html() == group) {
						alert('Group already exists!');
						exists = true;
						return false;
					}
				});

				if (!exists) {
					var li = jQuery('<li id="referrer_group_' + group + '"><table class="form-table"><tr><th>Group name:</th><td><span class="referrer_group_number">' + (jQuery('#referrer_groups li').size() + 1) + '.</span> <span class="referrer_group">' + group + '</span> <input type="button" class="button referrer_delete" value="Delete group" /></td></tr><tr><th><label for="referrer_groups_' + group + '_enabled">Enabled:</label></th><td><input type="hidden" name="referrer_groups[' + group + '][enabled]" value="0" /><input id="referrer_groups_' + group + '_enabled" type="checkbox" name="referrer_groups[' + group + '][enabled]" value="1" checked="checked" /></td></tr><tr><th><label for="referrer_groups_' + group + '_theme">Theme:</label></th><td><select id="referrer_groups_' + group + '_theme" name="referrer_groups[' + group + '][theme]"><option value="">-- Pass-through --</option></select><br /><span class="description">Assign this group of referrers to a specific them. Leaving this option "Active Theme" allows any plugins you have (e.g. referrer plugins) to properly handle requests for these referrers. If the "redirect users to" field is not empty, this setting is ignored.</span></td></tr><tr><th><label for="referrer_groups_' + group + '_redirect">Redirect users to:</label></th><td><input id="referrer_groups_' + group + '_redirect" type="text" name="referrer_groups[' + group + '][redirect]" value="" size="60" /><br /><span class="description">A 302 redirect is used to send this group of users to another hostname (domain); recommended if a 3rd party service provides a referrer version of your site.</span></td></tr><tr><th><label for="referrer_groups_' + group + '_referrers">Referrers:</label></th><td><textarea id="referrer_groups_' + group + '_referrers" name="referrer_groups[' + group + '][referrers]" rows="10" cols="50"></textarea><br /><span class="description">Specify the referrers for this group.</span></td></tr></table></li>');
					var select = li.find('select');

					jQuery.each(referrer_themes, function(index, value) {
						select.append(jQuery('<option />').val(index).html(value));
					});

					jQuery('#referrer_groups').append(li);
					w3tc_referrer_groups_clear();
					window.location.hash = '#referrer_group_' + group;
					li.find('textarea').focus();
				}
			} else {
				alert('Empty group name!');
			}
		}
	});

	jQuery('.referrer_delete').on('click', function () {
		if (confirm('Are you sure want to delete this group?')) {
			jQuery(this).parents('#referrer_groups li').remove();
			w3tc_referrer_groups_clear();
			w3tc_beforeupload_bind();
		}
	});

	w3tc_referrer_groups_clear();

	// add sortable
	if (jQuery.ui && jQuery.ui.sortable) {
		jQuery('#js_files,#css_files').sortable({
			axis: 'y',
			stop: function() {
				jQuery(this).find('li').each(function(index) {
					jQuery(this).find('td:eq(0)').html((index + 1) + '.');
				});
			}
		});

		jQuery('#cdn_cnames').sortable({
			axis: 'y',
			stop: w3tc_cdn_cnames_assign
		});

		jQuery('#mobile_groups').sortable({
			axis: 'y',
			stop: function() {
				jQuery('#mobile_groups').find('.mobile_group_number').each(function(index) {
					jQuery(this).html((index + 1) + '.');
				});
			}
		});

		jQuery('#referrer_groups').sortable({
			axis: 'y',
			stop: function() {
				jQuery('#referrer_groups').find('.referrer_group_number').each(function(index) {
					jQuery(this).html((index + 1) + '.');
				});
			}
		});
	}

	// show hide rules
	jQuery('.w3tc-show-rules').click(function() {
		var btn = jQuery(this), rules = btn.parent().find('.w3tc-rules');

		if (rules.is(':visible')) {
			rules.css('display', 'none');
			btn.val('view code');
		} else {
			rules.css('display', 'block');
			btn.val('hide code');
		}
	});


	// show hide missing files
	jQuery('.w3tc-show-required-changes').click(function() {
		var btn = jQuery(this), rules = jQuery('.w3tc-required-changes');

		if (rules.is(':visible')) {
			rules.css('display', 'none');
			btn.val('View required changes');
		} else {
			rules.css('display', 'block');
			btn.val('Hide required changes');
		}
	});

	// show hide missing files
	jQuery('.w3tc-show-ftp-form').click(function() {
		var btn = jQuery(this), rules = jQuery('.w3tc-ftp-form');

		if (rules.is(':visible')) {
			rules.css('display', 'none');
			btn.val('Update via FTP');
		} else {
			rules.css('display', 'block');
			btn.val('Cancel FTP Update');
		}
	});

	// show hide missing files
	jQuery('.w3tc-show-technical-info').click(function() {
		var btn = jQuery(this), info = jQuery('.w3tc-technical-info');

		if (info.is(':visible')) {
			info.css('display', 'none');
			btn.val('Technical Information');
		} else {
			info.css('display', 'block');
			btn.val('Hide technical information');
		}
	});

	// add ignore class to the ftp form elements
	jQuery('#ftp_upload_form').find('input').each(function() {
		jQuery(this).addClass('w3tc-ignore-change');
	});

	// toggle hiddent content
	jQuery('.w3tc_link_more').click(function() {
		var target_class = jQuery(this).metadata().for_class;
		jQuery('.' + target_class).slideToggle();
	});

	// check for unsaved changes
	jQuery('#w3tc input,#w3tc select,#w3tc textarea').on('change', function () {
		var ignore = false;
		jQuery(this).parents().andSelf().each(function() {
			if (jQuery(this).hasClass('w3tc-ignore-change') || jQuery(this).hasClass('lightbox')) {
				ignore = true;
				return false;
			}
		});

		if (!ignore) {
			w3tc_beforeupload_bind();
		}
	});

	jQuery('body').on('click', '.w3tc-button-save', w3tc_beforeupload_unbind);


	jQuery('.contextual-help-tabs ul li a').click(function() {
		var id = jQuery(this).attr('aria-controls');
		var i = jQuery('#' + id + ' .w3tchelp_content');
		w3tc_load_faq_section(i);
	});

	jQuery('#contextual-help-link').click(function() {
		var i = jQuery('.w3tchelp_content').first();
		w3tc_load_faq_section(i);
	});

	var w3tchelp_loaded = {};
	function w3tc_load_faq_section(i) {
		var section = i.attr('data-section');

		if (w3tchelp_loaded[section])
			return;

		i.html('<div class="w3tchelp_loading_outer">' +
			'<div class="w3tc-loading w3tchelp_loading_inner"></div></div>');

		w3tchelp_loaded[section] = true;

		jQuery.getJSON(ajaxurl, {
			action: 'w3tc_ajax',
			_wpnonce: w3tc_nonce,
			w3tc_action: 'faq',
			section: section
		}, function(data) {
			i.html(data.content)
		}).fail(function() {
			i.html('Failed to obtain data');
		});
	}

	// extensions page
	jQuery('.w3tc_extensions_manage_input_checkall').click(function(v) {
		var c = jQuery(this).is(':checked');

		jQuery('.w3tc_extensions_manage_input_checkall').prop('checked', c);
		jQuery('.w3tc_extensions_input_active').each(function(index) {
			if (!jQuery(this).is(':disabled'))
				jQuery(this).prop('checked', c);
		});
	});

	// google analytics events
	if (typeof ga != 'undefined') {
		jQuery('.w3tc_error').each(function() {
			var id = jQuery(this).attr('id');
			var text = jQuery(this).text();
			if (id)
				w3tc_ga('send', 'event', 'w3tc_error', id, text);
		});
		jQuery('.w3tc_note').each(function() {
			var id = jQuery(this).attr('id');
			var text = jQuery(this).text();
			if (id)
				w3tc_ga('send', 'event', 'w3tc_note', id, text);
		});

		jQuery('body').on('click', 'a', function() {
			var url = jQuery(this).attr('href');
			if (url)
				w3tc_ga('send', 'event', 'anchor', 'click', url, {useBeacon: true});
		});

		jQuery('body').on('click', 'input[type="button"]', function() {
			var name = jQuery(this).attr('name');
			if (name)
				w3tc_ga('send', 'event', 'button', 'click', name, {useBeacon: true});
		});
		jQuery('body').on('click', 'input[type="submit"]', function() {
			var name = jQuery(this).attr('name');
			var id = jQuery(this).attr('id');
			if (!id)
				id = name;

			if (name)
				w3tc_ga('send', 'event', 'button', id, name, {useBeacon: true});
		});

		jQuery('body').on('click', 'input[type="checkbox"]', function() {
			var name = jQuery(this).attr('name');
			var action = jQuery(this).is(':checked') ? 'check' : 'uncheck';

			if (name)
				w3tc_ga('send', 'event', 'checkbox', action, name);
		});

		jQuery('body').on('change', 'select', function() {
			var name = jQuery(this).attr('name');
			var value = jQuery(this).val();

			if (name && value)
				w3tc_ga('send', 'event', 'select', value, name);
		});
	}
});
