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M.yui.add_module=function(modules){for(var modname in modules){YUI_config.modules[modname]=modules[modname]}
Y.applyConfig(YUI_config)};M.yui.galleryversion='2010.04.21-21-51';M.util=M.util||{};M.str=M.str||{};M.util.image_url=function(imagename,component){if(!component||component==''||component=='moodle'||component=='core'){component='core'}
var url=M.cfg.wwwroot+'/theme/image.php';if(M.cfg.themerev>0&&M.cfg.slasharguments==1){if(!M.cfg.svgicons){url+='/_s'}
url+='/'+M.cfg.theme+'/'+component+'/'+M.cfg.themerev+'/'+imagename}else{url+='?theme='+M.cfg.theme+'&component='+component+'&rev='+M.cfg.themerev+'&image='+imagename;if(!M.cfg.svgicons){url+='&svg=0'}}
return url};M.util.in_array=function(item,array){for(var i=0;i');a.setAttribute('title',strtooltip);while(caption.hasChildNodes()){child=caption.get('firstChild');child.remove();a.append(child)}
caption.append(a);var height=this.div.get('offsetHeight');var collapsedimage='t/collapsed';if(right_to_left()){collapsedimage='t/collapsed_rtl'}else{collapsedimage='t/collapsed'}
if(this.div.hasClass('collapsed')){this.icon=Y.Node.create('');this.div.setStyle('height',caption.get('offsetHeight')+'px')}else{this.icon=Y.Node.create('')}
a.append(this.icon);var animation=new Y.Anim({node:this.div,duration:0.3,easing:Y.Easing.easeBoth,to:{height:caption.get('offsetHeight')},from:{height:height}});animation.on('end',function(){this.div.toggleClass('collapsed');var collapsedimage='t/collapsed';if(right_to_left()){collapsedimage='t/collapsed_rtl'}else{collapsedimage='t/collapsed'}
if(this.div.hasClass('collapsed')){this.icon.set('src',M.util.image_url(collapsedimage,'moodle'))}else{this.icon.set('src',M.util.image_url('t/expanded','moodle'))}},this);a.on('click',function(e,animation){e.preventDefault();if(animation.get('running')){animation.stop()}
animation.set('reverse',this.div.hasClass('collapsed'));if(this.userpref){M.util.set_user_preference(this.userpref,!this.div.hasClass('collapsed'))}
animation.run()},this,animation)};M.util.CollapsibleRegion.prototype.userpref=null;M.util.CollapsibleRegion.prototype.div=null;M.util.CollapsibleRegion.prototype.icon=null;M.util.set_user_preference=function(name,value){YUI().use('io',function(Y){var url=M.cfg.wwwroot+'/lib/ajax/setuserpref.php?sesskey='+M.cfg.sesskey+'&pref='+encodeURI(name)+'&value='+encodeURI(value);var cfg={method:'get',on:{}};if(M.cfg.developerdebug){cfg.on.failure=function(id,o,args){alert("Error updating user preference '"+name+"' using ajax. Clicking this link will repeat the Ajax call that failed so you can see the error: ")}}
Y.io(url,cfg)})};M.util.show_confirm_dialog=function(e,args){var target=e.target;if(e.preventDefault){e.preventDefault()}
YUI().use('moodle-core-notification-confirm',function(Y){var confirmationDialogue=new M.core.confirm({width:'300px',center:!0,modal:!0,visible:!1,draggable:!1,title:M.util.get_string('confirmation','admin'),noLabel:M.util.get_string('cancel','moodle'),question:args.message});confirmationDialogue.on('complete-yes',function(e){if(args.callback){if(!Y.Lang.isFunction(args.callback)){Y.log('Callbacks to show_confirm_dialog must now be functions. Please update your code to pass in a function instead.','warn','M.util.show_confirm_dialog');return}
var scope=e.target;if(Y.Lang.isObject(args.scope)){scope=args.scope}
var callbackargs=args.callbackargs||[];args.callback.apply(scope,callbackargs);return}
var targetancestor=null,targetform=null;if(target.test('a')){window.location=target.get('href')}else if((targetancestor=target.ancestor('a'))!==null){window.location=targetancestor.get('href')}else if(target.test('input')||target.test('button')){targetform=target.ancestor('form',!0);if(!targetform){return}
if(target.get('name')&&target.get('value')){targetform.append('');if(typeof M.core_formchangechecker!=='undefined'){M.core_formchangechecker.set_form_submitted()}}
targetform.submit()}else if(target.test('form')){if(typeof M.core_formchangechecker!=='undefined'){M.core_formchangechecker.set_form_submitted()}
target.submit()}else{Y.log("Element of type "+target.get('tagName')+" is not supported by the M.util.show_confirm_dialog function. Use A, INPUT, BUTTON or FORM",'warn','javascript-static')}},this);if(args.cancellabel){confirmationDialogue.set('noLabel',args.cancellabel)}
if(args.continuelabel){confirmationDialogue.set('yesLabel',args.continuelabel)}
confirmationDialogue.render().show()})};M.util.init_maximised_embed=function(Y,id){var obj=Y.one('#'+id);if(!obj){return}
var get_htmlelement_size=function(el,prop){if(Y.Lang.isString(el)){el=Y.one('#'+el)}
if(el){var val=el.getStyle(prop);if(val=='auto'){val=el.getComputedStyle(prop)}
val=parseInt(val);if(isNaN(val)){return 0}
return val}else{return 0}};var resize_object=function(){obj.setStyle('display','none');var newwidth=get_htmlelement_size('maincontent','width')-35;if(newwidth>500){obj.setStyle('width',newwidth+'px')}else{obj.setStyle('width','500px')}
var headerheight=get_htmlelement_size('page-header','height');var footerheight=get_htmlelement_size('page-footer','height');var newheight=parseInt(Y.one('body').get('docHeight'))-footerheight-headerheight-100;if(newheight<400){newheight=400}
obj.setStyle('height',newheight+'px');obj.setStyle('display','')};resize_object();Y.use('event-resize',function(Y){Y.on("windowresize",function(){resize_object()})})};M.util.init_frametop=function(Y){Y.all('a').each(function(node){node.set('target','_top')});Y.all('form').each(function(node){node.set('target','_top')})};M.util.init_toggle_class_on_click=function(Y,id,cssselector,toggleclassname,togglecssselector){throw new Error('M.util.init_toggle_class_on_click can not be used any more. Please use jQuery instead.')};M.util.init_colour_picker=function(Y,id,previewconf){Y.use('node','event-mouseenter',function(){var colourpicker={box:null,input:null,image:null,preview:null,current:null,eventClick:null,eventMouseEnter:null,eventMouseLeave:null,eventMouseMove:null,width:300,height:100,factor:5,init:function(){this.input=Y.one('#'+id);this.box=this.input.ancestor().one('.admin_colourpicker');this.image=Y.Node.create('');this.image.setAttribute('src',M.util.image_url('i/colourpicker','moodle'));this.preview=Y.Node.create('');this.preview.setStyle('width',this.height/2).setStyle('height',this.height/2).setStyle('backgroundColor',this.input.get('value'));this.current=Y.Node.create('');this.current.setStyle('width',this.height/2).setStyle('height',this.height/2-1).setStyle('backgroundColor',this.input.get('value'));this.box.setContent('').append(this.image).append(this.preview).append(this.current);if(typeof(previewconf)==='object'&&previewconf!==null){Y.one('#'+id+'_preview').on('click',function(e){if(Y.Lang.isString(previewconf.selector)){Y.all(previewconf.selector).setStyle(previewconf.style,this.input.get('value'))}else{for(var i in previewconf.selector){Y.all(previewconf.selector[i]).setStyle(previewconf.style,this.input.get('value'))}}},this)}
this.eventClick=this.image.on('click',this.pickColour,this);this.eventMouseEnter=Y.on('mouseenter',this.startFollow,this.image,this)},startFollow:function(e){this.eventMouseEnter.detach();this.eventMouseLeave=Y.on('mouseleave',this.endFollow,this.image,this);this.eventMouseMove=this.image.on('mousemove',function(e){this.preview.setStyle('backgroundColor',this.determineColour(e))},this)},endFollow:function(e){this.eventMouseMove.detach();this.eventMouseLeave.detach();this.eventMouseEnter=Y.on('mouseenter',this.startFollow,this.image,this)},pickColour:function(e){var colour=this.determineColour(e);this.input.set('value',colour);this.current.setStyle('backgroundColor',colour)},determineColour:function(e){var eventx=Math.floor(e.pageX-e.target.getX());var eventy=Math.floor(e.pageY-e.target.getY());var imagewidth=this.width;var imageheight=this.height;var factor=this.factor;var colour=[255,0,0];var matrices=[[0,1,0],[-1,0,0],[0,0,1],[0,-1,0],[1,0,0],[0,0,-1]];var matrixcount=matrices.length;var limit=Math.round(imagewidth/matrixcount);var heightbreak=Math.round(imageheight/2);for(var x=0;xheightbreak){pixel[0]=Math.floor((imageheight-eventy)*(pixel[0]/heightbreak));pixel[1]=Math.floor((imageheight-eventy)*(pixel[1]/heightbreak));pixel[2]=Math.floor((imageheight-eventy)*(pixel[2]/heightbreak))}
return this.convert_rgb_to_hex(pixel)},convert_rgb_to_hex:function(rgb){var hex='#';var hexchars="0123456789ABCDEF";for(var i=0;i<3;i++){var number=Math.abs(rgb[i]);if(number==0||isNaN(number)){hex+='00'}else{hex+=hexchars.charAt((number-number%16)/16)+hexchars.charAt(number%16)}}
return hex}};colourpicker.init()})};M.util.init_block_hider=function(Y,config){Y.use('base','node',function(Y){M.util.block_hider=M.util.block_hider||(function(){var blockhider=function(){blockhider.superclass.constructor.apply(this,arguments)};blockhider.prototype={initializer:function(config){this.set('block','#'+this.get('id'));var b=this.get('block'),t=b.one('.title'),a=null,hide,show;if(t&&(a=t.one('.block_action'))){hide=Y.Node.create('').addClass('block-hider-hide').setAttrs({alt:config.tooltipVisible,src:this.get('iconVisible'),tabIndex:0,'title':config.tooltipVisible});hide.on('keypress',this.updateStateKey,this,!0);hide.on('click',this.updateState,this,!0);show=Y.Node.create('').addClass('block-hider-show').setAttrs({alt:config.tooltipHidden,src:this.get('iconHidden'),tabIndex:0,'title':config.tooltipHidden});show.on('keypress',this.updateStateKey,this,!1);show.on('click',this.updateState,this,!1);a.insert(show,0).insert(hide,0)}},updateState:function(e,hide){M.util.set_user_preference(this.get('preference'),hide);if(hide){this.get('block').addClass('hidden');this.get('block').one('.block-hider-show').focus()}else{this.get('block').removeClass('hidden');this.get('block').one('.block-hider-hide').focus()}},updateStateKey:function(e,hide){if(e.keyCode==13){this.updateState(this,hide)}}};Y.extend(blockhider,Y.Base,blockhider.prototype,{NAME:'blockhider',ATTRS:{id:{},preference:{},iconVisible:{value:M.util.image_url('t/switch_minus','moodle')},iconHidden:{value:M.util.image_url('t/switch_plus','moodle')},block:{setter:function(node){return Y.one(node)}}}});return blockhider})();new M.util.block_hider(config)})};M.util.pending_js=[];M.util.complete_js=[];M.util.js_pending=function(uniqid){if(typeof uniqid!=='undefined'){M.util.pending_js.push(uniqid)}
return M.util.pending_js.length};M.util.js_pending('init');YUI.add('moodle-core-io',function(Y){Y.on('io:start',function(id){M.util.js_pending('io:'+id)});Y.on('io:end',function(id){M.util.js_complete('io:'+id)})},'@VERSION@',{condition:{trigger:'io-base',when:'after'}});M.util.js_complete=function(uniqid){var index=Y.Array.indexOf(M.util.pending_js,uniqid);if(index>=0){M.util.complete_js.push(M.util.pending_js.splice(index,1))}else{window.console.log("Unable to locate key for js_complete call",uniqid)}
return M.util.pending_js.length};M.util.get_string=function(identifier,component,a){var stringvalue;if(M.cfg.developerdebug){if(typeof M.util.get_string_yui_instance==='undefined'){M.util.get_string_yui_instance=new YUI({debug:!0})}
var Y=M.util.get_string_yui_instance}
if(!M.str.hasOwnProperty(component)||!M.str[component].hasOwnProperty(identifier)){stringvalue='[['+identifier+','+component+']]';if(M.cfg.developerdebug){Y.log('undefined string '+stringvalue,'warn','M.util.get_string')}
return stringvalue}
stringvalue=M.str[component][identifier];if(typeof a=='undefined'){return stringvalue}
if(typeof a=='number'||typeof a=='string'){stringvalue=stringvalue.replace(/\{\$a\}/g,a);return stringvalue}
if(typeof a=='object'){for(var key in a){if(typeof a[key]!='number'&&typeof a[key]!='string'){if(M.cfg.developerdebug){Y.log('invalid value type for $a->'+key,'warn','M.util.get_string')}
continue}
var search='{$a->'+key+'}';search=search.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,'\\$&');search=new RegExp(search,'g');stringvalue=stringvalue.replace(search,a[key])}
return stringvalue}
if(M.cfg.developerdebug){Y.log('incorrect placeholder type','warn','M.util.get_string')}
return stringvalue};M.util.focus_login_form=function(Y){Y.log('M.util.focus_login_form no longer does anything. Please use jquery instead.','warn','javascript-static.js')};M.util.focus_login_error=function(Y){Y.log('M.util.focus_login_error no longer does anything. Please use jquery instead.','warn','javascript-static.js')};M.util.add_lightbox=function(Y,node){var WAITICON={'pix':"i/loading_small",'component':'moodle'};if(node.one('.lightbox')){return node.one('.lightbox')}
node.setStyle('position','relative');var waiticon=Y.Node.create('').setAttrs({'src':M.util.image_url(WAITICON.pix,WAITICON.component)}).setStyles({'position':'relative','top':'50%'});var lightbox=Y.Node.create('').setStyles({'opacity':'.75','position':'absolute','width':'100%','height':'100%','top':0,'left':0,'backgroundColor':'white','textAlign':'center'}).setAttribute('class','lightbox').hide();lightbox.appendChild(waiticon);node.append(lightbox);return lightbox}
M.util.add_spinner=function(Y,node){var WAITICON={'pix':"i/loading_small",'component':'moodle'};if(node.one('.spinner')){return node.one('.spinner')}
var spinner=Y.Node.create('').setAttribute('src',M.util.image_url(WAITICON.pix,WAITICON.component)).addClass('spinner').addClass('iconsmall').hide();node.append(spinner);return spinner}
function checkall(){throw new Error('checkall can not be used any more. Please use jQuery instead.')}
function checknone(){throw new Error('checknone can not be used any more. Please use jQuery instead.')}
function select_all_in_element_with_id(id,checked){throw new Error('select_all_in_element_with_id can not be used any more. Please use jQuery instead.')}
function select_all_in(elTagName,elClass,elId){throw new Error('select_all_in can not be used any more. Please use jQuery instead.')}
function deselect_all_in(elTagName,elClass,elId){throw new Error('deselect_all_in can not be used any more. Please use jQuery instead.')}
function confirm_if(expr,message){throw new Error('confirm_if can not be used any more.')}
function findParentNode(el,elName,elClass,elId){throw new Error('findParentNode can not be used any more. Please use jQuery instead.')}
function unmaskPassword(id){var pw=document.getElementById(id);var chb=document.getElementById(id+'unmask');if(Y.UA.ie==0||Y.UA.ie>=9){if(chb.checked){pw.type="text"}else{pw.type="password"}}else{try{if(chb.checked){var newpw=document.createElement('')}else{var newpw=document.createElement('')}
newpw.attributes['class'].nodeValue=pw.attributes['class'].nodeValue}catch(e){var newpw=document.createElement('input');newpw.setAttribute('autocomplete','off');newpw.setAttribute('name',pw.name);if(chb.checked){newpw.setAttribute('type','text')}else{newpw.setAttribute('type','password')}
newpw.setAttribute('class',pw.getAttribute('class'))}
newpw.id=pw.id;newpw.size=pw.size;newpw.onblur=pw.onblur;newpw.onchange=pw.onchange;newpw.value=pw.value;pw.parentNode.replaceChild(newpw,pw)}}
function filterByParent(elCollection,parentFinder){throw new Error('filterByParent can not be used any more. Please use jQuery instead.')}
function fix_column_widths(){Y.log('fix_column_widths() no longer does anything. Please remove it from your code.','warn','javascript-static.js')}
function fix_column_width(colName){Y.log('fix_column_width() no longer does anything. Please remove it from your code.','warn','javascript-static.js')}
function insertAtCursor(myField,myValue){if(document.selection){myField.focus();sel=document.selection.createRange();sel.text=myValue}else if(myField.selectionStart||myField.selectionStart=='0'){var startPos=myField.selectionStart;var endPos=myField.selectionEnd;myField.value=myField.value.substring(0,startPos)+myValue+myField.value.substring(endPos,myField.value.length)}else{myField.value+=myValue}}
function increment_filename(filename,ignoreextension){var extension='';var basename=filename;if(!ignoreextension){var dotpos=filename.lastIndexOf('.');if(dotpos!==-1){basename=filename.substr(0,dotpos);extension=filename.substr(dotpos,filename.length)}}
var number=0;var hasnumber=basename.match(/^(.*) \((\d+)\)$/);if(hasnumber!==null){number=parseInt(hasnumber[2],10);basename=hasnumber[1]}
number++;var newname=basename+' ('+number+')'+extension;return newname}
function right_to_left(){var body=Y.one('body');var rtl=!1;if(body&&body.hasClass('dir-rtl')){rtl=!0}
return rtl}
function openpopup(event,args){if(event){if(event.preventDefault){event.preventDefault()}else{event.returnValue=!1}}
var nameregex=/[^a-z0-9_]/i;if(typeof args.name!=='string'){args.name='_blank'}else if(args.name.match(nameregex)){if(M.cfg.developerdebug){alert('DEVELOPER NOTICE: Invalid \'name\' passed to openpopup(): '+args.name)}
args.name=args.name.replace(nameregex,'_')}
var fullurl=args.url;if(!args.url.match(/https?:\/\//)){fullurl=M.cfg.wwwroot+args.url}
if(args.fullscreen){args.options=args.options.replace(/top=\d+/,'top=0').replace(/left=\d+/,'left=0').replace(/width=\d+/,'width='+screen.availWidth).replace(/height=\d+/,'height='+screen.availHeight)}
var windowobj=window.open(fullurl,args.name,args.options);if(!windowobj){return!0}
if(args.fullscreen){var hackcount=100;var get_size_exactly_right=function(){windowobj.moveTo(0,0);windowobj.resizeTo(screen.availWidth,screen.availHeight);if(hackcount>0&&(windowobj.innerHeight<10||windowobj.innerWidth<10)){hackcount-=1;setTimeout(get_size_exactly_right,10)}}
setTimeout(get_size_exactly_right,0)}
windowobj.focus();return!1}
function close_window(e){if(e.preventDefault){e.preventDefault()}else{e.returnValue=!1}
window.close()}
function focuscontrol(controlid){var control=document.getElementById(controlid);if(control){control.focus()}}
function old_onload_focus(formid,controlname){if(document.forms[formid]&&document.forms[formid].elements&&document.forms[formid].elements[controlname]){document.forms[formid].elements[controlname].focus()}}
function build_querystring(obj){return convert_object_to_string(obj,'&')}
function build_windowoptionsstring(obj){return convert_object_to_string(obj,',')}
function convert_object_to_string(obj,separator){if(typeof obj!=='object'){return null}
var list=[];for(var k in obj){k=encodeURIComponent(k);var value=obj[k];if(obj[k]instanceof Array){for(var i in value){list.push(k+'[]='+encodeURIComponent(value[i]))}}else{list.push(k+'='+encodeURIComponent(value))}}
return list.join(separator)}
function stripHTML(str){throw new Error('stripHTML can not be used any more. Please use jQuery instead.')}
function updateProgressBar(id,percent,msg,estimate){var event,el=document.getElementById(id),eventData={};if(!el){return}
eventData.message=msg;eventData.percent=percent;eventData.estimate=estimate;try{event=new CustomEvent('update',{bubbles:!1,cancelable:!0,detail:eventData})}catch(exception){if(!(exception instanceof TypeError)){throw exception}
event=document.createEvent('CustomEvent');event.initCustomEvent('update',!1,!0,eventData);event.prototype=window.Event.prototype}
el.dispatchEvent(event)}
M.util.help_popups={setup:function(Y){Y.one('body').delegate('click',this.open_popup,'a.helplinkpopup',this)},open_popup:function(e){e.preventDefault();var anchor=e.target.ancestor('a',!0);var args={'name':'popup','url':anchor.getAttribute('href'),'options':''};var options=['height=600','width=800','top=0','left=0','menubar=0','location=0','scrollbars','resizable','toolbar','status','directories=0','fullscreen=0','dependent']
args.options=options.join(',');openpopup(e,args)}}
M.core_custom_menu={init:function(Y,nodeid){var node=Y.one('#'+nodeid);if(node){Y.use('node-menunav',function(Y){node.removeClass('javascript-disabled');node.plug(Y.Plugin.NodeMenuNav)})}}};M.form=M.form||{};M.form.init_smartselect=function(){throw new Error('M.form.init_smartselect can not be used any more.')};M.util.init_skiplink=function(Y){Y.one(Y.config.doc.body).delegate('click',function(e){e.preventDefault();e.stopPropagation();var node=Y.one(this.getAttribute('href'));node.setAttribute('tabindex','-1');node.focus();return!0},'a.skip')}