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result=context.data.$container.find('.suggestions-results div:last');}}}}else if(result==='next'){if(selected.length===0){result=context.data.$container.find('.suggestions-results div:first');if(result.length===0&&context.data.$container.find('.suggestions-special').html()!==''){result=context.data.$container.find('.suggestions-special');}}else{result=selected.next();if(selected.is('.suggestions-special')){result=$([]);}else if(result.length===0&&context.data.$container.find('.suggestions-special').html()!==''){result=context.data.$container.find('.suggestions-special');}}}selected.removeClass('suggestions-result-current');result.addClass('suggestions-result-current');}if(updateTextbox){if(result.length===0||result.is('.suggestions-special')){$.suggestions.restore(context);}else{context.data.$textbox.val(result.data('text'));context.data.$textbox.change();}context.data.$textbox.trigger('change');}},keypress:function(e,context,key){var wasVisible=context.data.$container.is(':visible'),
preventDefault=false;switch(key){case 40:if(wasVisible){$.suggestions.highlight(context,'next',true);context.data.selectedWithMouse=false;}else{$.suggestions.update(context,false);}preventDefault=true;break;case 38:if(wasVisible){$.suggestions.highlight(context,'prev',true);context.data.selectedWithMouse=false;}preventDefault=wasVisible;break;case 27:context.data.$container.hide();$.suggestions.restore(context);$.suggestions.cancel(context);context.data.$textbox.trigger('change');preventDefault=wasVisible;break;case 13:context.data.$container.hide();preventDefault=wasVisible;var selected=context.data.$container.find('.suggestions-result-current');if(selected.length===0||context.data.selectedWithMouse){$.suggestions.cancel(context);context.config.$region.closest('form').submit();}else if(selected.is('.suggestions-special')){if(typeof context.config.special.select==='function'){context.config.special.select.call(selected,context.data.$textbox);}}else{if(typeof context.config.result.
select==='function'){$.suggestions.highlight(context,selected,true);context.config.result.select.call(selected,context.data.$textbox);}else{$.suggestions.highlight(context,selected,true);}}break;default:$.suggestions.update(context,true);break;}if(preventDefault){e.preventDefault();e.stopImmediatePropagation();}}};$.fn.suggestions=function(){var returnValue,args=arguments;$(this).each(function(){var context,key;context=$(this).data('suggestions-context');if(context===undefined||context===null){context={config:{'fetch':function(){},'cancel':function(){},'special':{},'result':{},'$region':$(this),'suggestions':[],'maxRows':7,'delay':120,'submitOnClick':false,'maxExpandFactor':3,'expandFrom':'auto','highlightInput':false}};}if(args.length>0){if(typeof args[0]==='object'){for(key in args[0]){$.suggestions.configure(context,key,args[0][key]);}}else if(typeof args[0]==='string'){if(args.length>1){$.suggestions.configure(context,args[0],args[1]);}else if(returnValue===null||returnValue===
undefined){returnValue=(args[0]in context.config?undefined:context.config[args[0]]);}}}if(context.data===undefined){context.data={timerID:null,prevText:null,visibleResults:0,mouseDownOn:$([]),$textbox:$(this),selectedWithMouse:false};context.data.$container=$('<div>').css('display','none').addClass('suggestions').append($('<div>').addClass('suggestions-results').mousedown(function(e){context.data.mouseDownOn=$(e.target).closest('.suggestions-results div');}).mouseup(function(e){var $result=$(e.target).closest('.suggestions-results div');var $other=context.data.mouseDownOn;context.data.mouseDownOn=$([]);if($result.get(0)!==$other.get(0)){return;}$.suggestions.highlight(context,$result,true);context.data.$container.hide();if(typeof context.config.result.select==='function'){context.config.result.select.call($result,context.data.$textbox);}context.data.$textbox.focus();})).append($('<div>').addClass('suggestions-special').mousedown(function(e){context.data.mouseDownOn=$(e.target).closest(
'.suggestions-special');}).mouseup(function(e){var $special=$(e.target).closest('.suggestions-special');var $other=context.data.mouseDownOn;context.data.mouseDownOn=$([]);if($special.get(0)!==$other.get(0)){return;}context.data.$container.hide();if(typeof context.config.special.select==='function'){context.config.special.select.call($special,context.data.$textbox);}context.data.$textbox.focus();}).mousemove(function(e){context.data.selectedWithMouse=true;$.suggestions.highlight(context,$(e.target).closest('.suggestions-special'),false);})).appendTo($('body'));$(this).attr('autocomplete','off').keydown(function(e){context.data.keypressed=e.which;context.data.keypressedCount=0;switch(context.data.keypressed){case 40:e.preventDefault();e.stopImmediatePropagation();break;case 38:case 27:case 13:if(context.data.$container.is(':visible')){e.preventDefault();e.stopImmediatePropagation();}}}).keypress(function(e){context.data.keypressedCount++;$.suggestions.keypress(e,context,context.data.
keypressed);}).keyup(function(e){if(context.data.keypressedCount===0){$.suggestions.keypress(e,context,context.data.keypressed);}}).blur(function(){if(context.data.mouseDownOn.length>0){return;}context.data.$container.hide();$.suggestions.cancel(context);});}$(this).data('suggestions-context',context);});return returnValue!==undefined?returnValue:$(this);};}(jQuery));;},{"":
".suggestions{overflow:hidden;position:absolute;top:0;left:0;width:0;border:none;z-index:1099;padding:0;margin:-1px -1px 0 0} html \x3e body .suggestions{margin:-1px 0 0 0}.suggestions-special{position:relative;background-color:white;cursor:pointer;border:solid 1px #aaaaaa;padding:0;margin:0;margin-top:-2px;display:none;padding:0.25em 0.25em;line-height:1.25em}.suggestions-results{background-color:white;cursor:pointer;border:solid 1px #aaaaaa;padding:0;margin:0}.suggestions-result{color:black;margin:0;line-height:1.5em;padding:0.01em 0.25em;text-align:left}.suggestions-result-current{background-color:#4C59A6;color:white}.suggestions-special .special-label{color:gray;text-align:left}.suggestions-special .special-query{color:black;font-style:italic;text-align:left}.suggestions-special .special-hover{background-color:silver}.suggestions-result-current .special-label,.suggestions-result-current .special-query{color:white}.autoellipsis-matched,.highlight{font-weight:bold}\n\n/* cache key: enwikibooks:resourceloader:filter:minify-css:7:9780324491b653a3780e2d029bdc140c */\n\n"
},{});mw.loader.implement("jquery.tabIndex",function(){(function($){$.fn.firstTabIndex=function(){var minTabIndex=null;$(this).find('[tabindex]').each(function(){var tabIndex=parseInt($(this).prop('tabindex'),10);if(tabIndex>0&&!isNaN(tabIndex)){if(minTabIndex===null){minTabIndex=tabIndex;}else if(tabIndex<minTabIndex){minTabIndex=tabIndex;}}});return minTabIndex;};$.fn.lastTabIndex=function(){var maxTabIndex=null;$(this).find('[tabindex]').each(function(){var tabIndex=parseInt($(this).prop('tabindex'),10);if(tabIndex>0&&!isNaN(tabIndex)){if(maxTabIndex===null){maxTabIndex=tabIndex;}else if(tabIndex>maxTabIndex){maxTabIndex=tabIndex;}}});return maxTabIndex;};}(jQuery));;},{},{});mw.loader.implement("mediawiki.api",function(){(function(mw,$){var defaultOptions={parameters:{action:'query',format:'json'},ajax:{url:mw.util.wikiScript('api'),timeout:30*1000,dataType:'json'}};mw.Api=function(options){if(options===undefined){options={};}if(options.ajax&&options.ajax.url!==undefined){options.
ajax.url=String(options.ajax.url);}options.parameters=$.extend({},defaultOptions.parameters,options.parameters);options.ajax=$.extend({},defaultOptions.ajax,options.ajax);this.defaults=options;};mw.Api.prototype={normalizeAjaxOptions:function(arg){var opts=arg||{};if(typeof arg==='function'){opts={ok:arg};}return opts;},get:function(parameters,ajaxOptions){ajaxOptions=this.normalizeAjaxOptions(ajaxOptions);ajaxOptions.type='GET';return this.ajax(parameters,ajaxOptions);},post:function(parameters,ajaxOptions){ajaxOptions=this.normalizeAjaxOptions(ajaxOptions);ajaxOptions.type='POST';return this.ajax(parameters,ajaxOptions);},ajax:function(parameters,ajaxOptions){var token,apiDeferred=$.Deferred();parameters=$.extend({},this.defaults.parameters,parameters);ajaxOptions=$.extend({},this.defaults.ajax,ajaxOptions);if(parameters.token){token=parameters.token;delete parameters.token;}ajaxOptions.data=$.param(parameters).replace(/\./g,'%2E');if(token){ajaxOptions.data+='&token='+
encodeURIComponent(token);}if(ajaxOptions.ok){apiDeferred.done(ajaxOptions.ok);delete ajaxOptions.ok;}if(ajaxOptions.err){apiDeferred.fail(ajaxOptions.err);delete ajaxOptions.err;}$.ajax(ajaxOptions).fail(function(xhr,textStatus,exception){apiDeferred.reject('http',{xhr:xhr,textStatus:textStatus,exception:exception});}).done(function(result){if(result===undefined||result===null||result===''){apiDeferred.reject('ok-but-empty','OK response but empty result (check HTTP headers?)');}else if(result.error){var code=result.error.code===undefined?'unknown':result.error.code;apiDeferred.reject(code,result);}else{apiDeferred.resolve(result);}});return apiDeferred.promise().fail(function(code,details){mw.log('mw.Api error: ',code,details);});}};mw.Api.errors=['ok-but-empty','timeout','duplicate','duplicate-archive','noimageinfo','uploaddisabled','nomodule','mustbeposted','badaccess-groups','stashfailed','missingresult','missingparam','invalid-file-key','copyuploaddisabled','mustbeloggedin',
'empty-file','file-too-large','filetype-missing','filetype-banned','filetype-banned-type','filename-tooshort','illegal-filename','verification-error','hookaborted','unknown-error','internal-error','overwrite','badtoken','fetchfileerror','fileexists-shared-forbidden','invalidtitle','notloggedin'];mw.Api.warnings=['duplicate','exists'];}(mediaWiki,jQuery));;},{},{});mw.loader.implement("mediawiki.user",function(){(function(mw,$){function User(options,tokens){var user,callbacks;user=this;callbacks={};function getUserInfo(info,callback){var api;if(callbacks[info]){callbacks[info].add(callback);return;}callbacks.rights=$.Callbacks('once memory');callbacks.groups=$.Callbacks('once memory');callbacks[info].add(callback);api=new mw.Api();api.get({action:'query',meta:'userinfo',uiprop:'rights|groups'}).always(function(data){var rights,groups;if(data.query&&data.query.userinfo){rights=data.query.userinfo.rights;groups=data.query.userinfo.groups;}callbacks.rights.fire(rights||[]);callbacks.groups
.fire(groups||[]);});}this.options=options||new mw.Map();this.tokens=tokens||new mw.Map();function generateId(){var i,r,id='',seed='0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';for(i=0;i<32;i++){r=Math.floor(Math.random()*seed.length);id+=seed.substring(r,r+1);}return id;}this.getName=function(){return mw.config.get('wgUserName');};this.name=function(){return this.getName();};this.isAnon=function(){return user.getName()===null;};this.anonymous=function(){return user.isAnon();};this.sessionId=function(){var sessionId=$.cookie('mediaWiki.user.sessionId');if(typeof sessionId==='undefined'||sessionId===null){sessionId=generateId();$.cookie('mediaWiki.user.sessionId',sessionId,{'expires':null,'path':'/'});}return sessionId;};this.id=function(){var id,name=user.getName();if(name){return name;}id=$.cookie('mediaWiki.user.id');if(typeof id==='undefined'||id===null){id=generateId();}$.cookie('mediaWiki.user.id',id,{expires:365,path:'/'});return id;};this.bucket=function(key,
options){var cookie,parts,version,bucket,range,k,rand,total;options=$.extend({buckets:{},version:0,tracked:false,expires:30},options||{});cookie=$.cookie('mediaWiki.user.bucket:'+key);if(typeof cookie==='string'&&cookie.length>2&&cookie.indexOf(':')>0){parts=cookie.split(':');if(parts.length>1&&Number(parts[0])===options.version){version=Number(parts[0]);bucket=String(parts[1]);}}if(bucket===undefined){if(!$.isPlainObject(options.buckets)){throw'Invalid buckets error. Object expected for options.buckets.';}version=Number(options.version);range=0;for(k in options.buckets){range+=options.buckets[k];}rand=Math.random()*range;total=0;for(k in options.buckets){bucket=k;total+=options.buckets[k];if(total>=rand){break;}}if(options.tracked){mw.loader.using('jquery.clickTracking',function(){$.trackAction('mediaWiki.user.bucket:'+key+'@'+version+':'+bucket);});}$.cookie('mediaWiki.user.bucket:'+key,version+':'+bucket,{'path':'/','expires':Number(options.expires)});}return bucket;};this.getGroups
=function(callback){getUserInfo('groups',callback);};this.getRights=function(callback){getUserInfo('rights',callback);};}mw.user=new User(mw.user.options,mw.user.tokens);}(mediaWiki,jQuery));;},{},{});mw.loader.implement("mediawiki.page.ready",function(){jQuery(document).ready(function($){if(!('placeholder'in document.createElement('input'))){$('input[placeholder]').placeholder();}$('.mw-collapsible').makeCollapsible();if($('table.sortable').length){mw.loader.using('jquery.tablesorter',function(){$('table.sortable').tablesorter();});}$('input[type=checkbox]:not(.noshiftselect)').checkboxShiftClick();mw.util.updateTooltipAccessKeys();});;},{},{});

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