var STATION_CODE=0;var STATION_NAME=1;var STATION_ALIAS=2;var LIST_MAX_SIZE=25;var listItemTemplate=new Template('<li id="#{id}"><div>#{stationAndCodeAndAlias}</div></li>');var stationTemplate=new Template('#{station}#{stationCode}#{alias}');var formListenerAttached=false;var canSubmitForm=true;var cachedStations;function loadStation(stations){cachedStations=stations;}
function RegisterElementForAutoSuggest(inputElement,doNotOverrideSubmit){RegisterElementForAutoSuggestWithList(inputElement,doNotOverrideSubmit,cachedStations);}
function RegisterElementForAutoSuggestWithList(inputElement,doNotOverrideSubmit,listOfStations){var curPos;var htmlCreator=new StationListHtmlCreator();var resultsElement=initResultsElement();initAutoCompleteAttribute(inputElement);Event.observe(inputElement,'keydown',handleKeydown);doNotOverrideSubmit||attachFormListener(inputElement,resultsElement);delayedInput({elem:inputElement,results:resultsElement.down('ul'),chars:1,time:200,open:function(value){if(!inputElement.isAutoCompleteOn()){return}
if(value&&value.strip()!=''&&listOfStations){curPos=null;this.results.innerHTML=htmlCreator.createListHtml(listOfStations,inputElement.value.strip());var li=this.results.select('li');if(li.length==0){hide(resultsElement);return;}
for(var i=0;i<li.length;i++){var ele=li[i];ele.observe('mouseover',function(){updatePos(this,resultsElement);});ele.observe('click',function(){updateInputField(this,inputElement,resultsElement);inputElement.focus();inputElement.turnOffAutoComplete();canSubmitForm=true;});(li%2==1)&&addClass(li[i],'odd');}
updatePos(li[0],resultsElement);show(resultsElement);}},close:function(){hide(resultsElement);resetPos();}},listOfStations);function initResultsElement(){var results=new Element('div',{'class':'results'}).hide();var suggestDiv=new Element('div',{'class':'suggest'});results.insert(suggestDiv);results.insert(new Element('ul'));inputElement.insert({'after':results});makeWindowed(suggestDiv);return results;}
function initAutoCompleteAttribute(ele){Object.extend(ele,{isAutoCompleteOn:function(){return this.getAttribute('autocomplete')=='on';},turnOnAutoComplete:function(){this.hasAttribute('autocomplete')&&this.setAttribute('autocomplete','on');},turnOffAutoComplete:function(){this.hasAttribute('autocomplete')&&this.setAttribute('autocomplete','off');},turnOffAutoCompleteIfAttributeNotPresent:function(){this.hasAttribute('autocomplete')||this.setAttribute('autocomplete','off');}});inputElement.turnOffAutoCompleteIfAttributeNotPresent();}
function handleKeydown(e){if((e.keyCode==Event.KEY_UP||e.keyCode==Event.KEY_DOWN||e.keyCode==Event.KEY_TAB)&&!inputElement.isAutoCompleteOn())
return true;inputElement.turnOnAutoComplete();if(e.keyCode==Event.KEY_TAB||e.keyCode==Event.KEY_RETURN){var stopEvent=(e.keyCode==Event.KEY_TAB)&&resultsElement.visible();canSubmitForm=!(e.keyCode==Event.KEY_RETURN&&resultsElement.visible());updateInputField(curPos,inputElement,resultsElement);inputElement.turnOffAutoComplete();(stopEvent|!canSubmitForm)&&e.stop();return false;}
if(e.keyCode==Event.KEY_ESC){inputElement.turnOffAutoComplete();e.stop();hide(resultsElement);resetPos();canSubmitForm=true;return false;}
var li=$A(resultsElement.getElementsByTagName('li'));if(e.keyCode==Event.KEY_UP)
return updatePos(curPos.previousSibling||li.last(),resultsElement);if(e.keyCode==Event.KEY_DOWN)
return updatePos(curPos.nextSibling||li.first(),resultsElement);}
function delayedInput(opt,listOfStations){var old=opt.elem.value;var listInFocus=false;setInterval(function(){if(!listOfStations){return;}
var newValue=opt.elem.value;var len=newValue.length;if(old!=newValue){if(len<opt.chars){opt.close();}else if(len>=opt.chars&&len>0){opt.open(newValue);}
old=newValue;}},opt.time);opt.elem.observe('keyup',function(){if(this.value.length==0){opt.close();}});opt.results.observe('mouseover',function(){listInFocus=true;});opt.results.observe('mouseout',function(){listInFocus=false;});opt.elem.observe('blur',function(){if(!listInFocus){opt.close();}});}
function updatePos(elem,resultsParent){curPos=elem;var ele=resultsParent.down('li.cur');removeClass(ele,'cur');addClass(curPos,'cur');return false;}
function resetPos(){curPos=null;}
function updateInputField(elem,inputElement,resultsParent){if(elem){inputElement.value=elem.id;}
hide(resultsParent);}
function addClass(elem,c){Element.addClassName(elem,c);}
function removeClass(elem,c){Element.removeClassName(elem,c);}
function hide(elem){elem.setStyle({display:'none'});}
function show(elem){elem.setStyle({display:'block'});}
function attachFormListener(ele,result){if(!formListenerAttached){formListenerAttached=true;var oldAction=ele.form.onsubmit;ele.form.onsubmit=function(){if(!canSubmitForm){canSubmitForm=true;return false;}
oldAction&&eval(oldAction);};}}};var StationListHtmlCreator=function(){var escapeRegex=createEscapeRegex();this.createListHtml=function(list,searchCriteria){list=list.clone();var filteredListArr=createFileteredList(list,searchCriteria);var listHtml='';filteredListArr.each(function(listObj){listObj.each(function(listEle){listHtml+=listEle;});});return listHtml;};function createFileteredList(list,searchCriteria){var escSearchCriteria=escape(searchCriteria);var regexArr=[{regex:new RegExp('^('+escSearchCriteria+')$','i'),part:STATION_CODE},{regex:new RegExp('^('+escSearchCriteria+')','i'),part:STATION_NAME},{regex:new RegExp('^('+escSearchCriteria+')','i'),part:STATION_ALIAS},{regex:new RegExp('^('+escSearchCriteria+')','i'),part:STATION_CODE},{regex:new RegExp(' ('+escSearchCriteria+')','i'),part:STATION_NAME},{regex:new RegExp(' ('+escSearchCriteria+')','i'),part:STATION_ALIAS}];var filteredListArr=[];var count=0;regexArr.each(function(regexPartPair){var filteredList=filterList(list,regexPartPair,count);filteredListArr[filteredListArr.length]=filteredList;count+=filteredList.length;});return filteredListArr;}
function filterList(list,regexPartPair,count){var filteredList=[];for(var i=0;count<LIST_MAX_SIZE&&i<list.length;i++){var stationCodePair=list[i];if(regexPartPair.regex.test(stationCodePair[regexPartPair.part])){var stationAndCodeStr=highlightStation(stationCodePair,regexPartPair);filteredList[filteredList.length]=listItemTemplate.evaluate({id:stationCodePair[STATION_NAME],stationAndCodeAndAlias:stationAndCodeStr});list[i]=['',''];count++;}}
return filteredList;}
function highlightStation(station,regexPartPair){var codeStr=regexPartPair.part==STATION_CODE?highlight(station[STATION_CODE],regexPartPair.regex):station[STATION_CODE];var stationStr=regexPartPair.part==STATION_NAME?highlight(station[STATION_NAME],regexPartPair.regex):station[STATION_NAME];var alias=regexPartPair.part==STATION_ALIAS?highlight(station[STATION_ALIAS],regexPartPair.regex):station[STATION_ALIAS];return stationTemplate.evaluate({station:stationStr,stationCode:displayForStationCode(station[STATION_CODE],codeStr),alias:displayForAlias(alias)});}
function highlight(stationStr,regex){var matches=stationStr.match(regex);return matches?stationStr.replace(matches[0],'<span class="highlight_station">'+matches[0]+'</span>'):stationStr;}
function displayForStationCode(stationCode,stationCodeStr){return stationCode==''?'':' ('+stationCodeStr+')';}
function displayForAlias(alias){return alias&&' ('+alias+')';}
function createEscapeRegex(text){var specialChars=['/','.','*','+','?','|','(',')','[',']','{','}','\\'];return new RegExp('(\\'+specialChars.join('|\\')+')','g');}
function escape(text){return text.replace(escapeRegex,'\\$1');}};function suffix_id_for_tag(tag,idSuffix){regexp=new RegExp(".*"+idSuffix+"$");return $$(tag).find(function(elem){return elem.id.match(regexp);});}
function makeWindowed(p_div)
{var is_ie6=document.all&&(navigator.userAgent.toLowerCase().indexOf("msie 6.")!=-1);if(is_ie6)
{var html="<iframe style=\"position: absolute; display: none; display: block; "+"z-index: -1; width: 30em; height:50em; top: 0; left: 0;"+"filter: mask(); background-color: #ffffff; \" src=\"javascript:false\"></iframe>";if(p_div)p_div.innerHTML+=html;var olddisplay=p_div.style.display;p_div.style.display='none';p_div.style.display=olddisplay;};}