var com;if(!com){com={};}else if(typeof(com)!="object"){throw new Error("can't initialize...com is not an object.");}
if(!com.medialab){com.medialab={};}else if(typeof(com.medialab)!="object"){throw new Error("can't initialize...com.medialab is not an object.");}
if(!com.medialab.sg){com.medialab.sg={};}
if(!com.medialab.sg.gallery1){com.medialab.sg.gallery1={};}
com.medialab.sg.gallery1.docent=function(xmlPathIn,myNameIn){if(typeof($ml)=='undefined'){$ml=$;}
var that=this;var myName=myNameIn?myNameIn:"docent";var curExhibit=0;var prevExhibit=-1;var exhibitChange=true;var curView=0;var prevView=-1;var exhibitCount=0;var thumbsheetCount=0;var galleryXMLpath=xmlPathIn;var thumbsheet=null;var viewsheet=null;var viewsheetOptions=null;var exhibitsheetOptions=null;var pictureboxOptions=null;var bigboxOptions=null;var panelOptions=null;var bigBox=null;var picturebox=null;var panel=null;var xml=null;var thumbsheetDirty=false;var viewsheetDirty=false;var pictureboxDirty=false;var urlViewParamName="view";var urlExhibitParamName="exb";var preload=false;var preloads=[];var preloadMax=50;var metaHrefs=null;var metaChunks=null;var metaDelimOpen="[[";var metaDelimClose="]]";var formMetaData=null;var useConsole=false;var debug=false;this.sgalert=function(msg){if(debug){alert(msg);}};function sgalert(msg){that.sgalert(msg);}
this.getCurrentExhibit=function(){return curExhibit;}
this.getCurrentView=function(){return curView;}
this.getExhibitCount=function(){return exhibitCount;}
this.getName=function(){return myName;}
this.getxml=function(){return xml;}
this.selectThumb=function(thumbnum,mode,updateThumbsheet){this.sgconsole("selectthumb. mode: "+mode+" thumbnum: "+thumbnum+' curexhibit '+curExhibit);if(mode=="exhibit"){if(thumbnum!=curExhibit){exhibitChange=true;prevExhibit=curExhibit;curExhibit=thumbnum;curView=0;prevView=0;thumbsheetDirty=updateThumbsheet;viewsheetDirty=true;pictureboxDirty=true;this.sgconsole("About to sync");this.sync();}else{if(panel&&panel.goToPanel){panel.goToPanel(thumbnum);}}}
else{if(thumbnum!=curView){exhibitChange=false;viewsheetDirty=updateThumbsheet;pictureboxDirty=true;prevView=curView;curView=thumbnum;this.sync();}}
return false;}
this.init=function(){var urlExbNum=this.getUrlParam(urlExhibitParamName);var urlViewNum=this.getUrlParam(urlViewParamName);if(urlExbNum){curExhibit=urlExbNum;if(urlViewNum){curView=urlViewNum;}}
if(!checkEnvironment()){alert("SiteGrinder gallery missing components!");return;};if(!loadGalleryXML()){alert("SiteGrinder gallery can't find XML file!");return;}}
function sync(){that.sgconsole('wrong sync called');that.sync();}
function getExhibitFromURL(){var queryExhibit=getUrlParameter(myName+'_exhibit');if(queryExhibit!=""&&!isNaN(queryExhibit)&&Number(queryExhibit)<exhibitCount){return Number(queryExhibit);}else{return 0;}}
function getUrlParameter(name){name=name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");var regexS="[\\?&]"+name+"=([^&#]*)";var regex=new RegExp(regexS);var results=regex.exec(window.location.href);if(results==null)
return"";else
return results[1];}
function checkEnvironment(){sgalert("DOCENT: checkEnvironment()");if(!$ml){return false;}
return true;}
this.getThumbsheetOption=function(sheetType,optionIn){return this.getThumbSheetOption(sheetType,optionIn);}
this.getThumbSheetOption=function(sheetType,optionIn){var options=null;if(sheetType=="view"){options=viewsheetOptions;}
else{options=exhibitsheetOptions;}
return this.getAnOption(options,optionIn);}
this.getPictureboxOption=function(optionIn){return this.getPictureBoxOption(optionIn);}
this.getPictureBoxOption=function(optionIn){return this.getAnOption(pictureboxOptions,optionIn);}
this.getBigboxOption=function(optionIn){return this.getBigBoxOption(optionIn);}
this.getPanelOption=function(modeIn,optionIn){return this.getAnOption(panelOptions,optionIn);}
this.getBigboxOption=function(optionIn){return this.getBigBoxOption(optionIn);}
this.getBigBoxOption=function(optionIn){return this.getAnOption(bigboxOptions,optionIn);}
this.getAnOption=function(options,option){var type=$ml('option[varname='+option+']',options).attr("type");var valMix=$ml('option[varname='+option+']',options).attr("value");if(typeof valMix=='undefined'){this.sgconsole('Docent asked for a non existent option: '+option);return"";}
var valLower=valMix.toLowerCase();if(type=='undefined'){this.sgconsole('option type not found in options for option '+option);if(isNaN(valLower)){if(valLower=="true"){return true;}
else
if(valLower=="false"){return false;}
else{return valMix;}}
else{if(valLower.substring(0,2)=='0x'){return valLower;}
else{return parseFloat(valMix);}}}
else{var typeLower=type.toLowerCase();switch(typeLower){case'boolean':return(valLower=='true');break;case'number':return parseFloat(valLower);break;case'color':default:return valMix;break;}}}
this.getCSSFormattedColor=function(col){if(col.substring(0,1)=='#'){return col;}
else if(col.substring(0,2)=='0x'){return'#'+col.substring(2,col.length);}
else{return'#'+col;}}
this.getFlashMovie=function(movieName){this.sgconsole("finding movie "+movieName);if(navigator.appName.indexOf("Microsoft")!=-1){return window[movieName];}else{return document[movieName];}}
this.flashMovieIsLoaded=function(theMovie){if(typeof(theMovie)!="undefined"&&theMovie!=null){this.sgconsole("movie "+theMovie);if(typeof theMovie.initWithXML!='undefined'){if(typeof theMovie.PercentLoaded!='undefined'){return theMovie.PercentLoaded()==100;}
else{return true;}}
else{return false;}}else{this.sgconsole("movie undefined");return false;}}
this.processXML=function(fullGalleryXMLIn){that.sgconsole("about to process xml");xml=$ml(fullGalleryXMLIn);that.sgconsole("Docent: processXML (xml loaded)");that.postXMLInit();}
function setUpPreloads(){if(preload){if(picturebox){var qString='exhibits exhibit:eq('+curExhibit+') view:eq('+curView+') picturebox url';var result=$ml(qString,xml).get();if(result){preloads=preloads.concat(result);}}
if(thumbsheet){var qString='exhibits exhibit:eq('+curExhibit+') view thumbnail url';var result=$ml(qString,xml).get();if(result){preloads=preloads.concat(result);}}
if(viewsheet){qString='exhibits exhibit:eq('+curExhibit+') view viewthumb url';var result=$ml(qString,xml).get();if(result){preloads=preloads.concat(result);}}
if(thumbsheet){for(var curEx=0;curEx<exhibitCount;curEx++){qString='exhibits exhibit:eq('+curEx+') view:eq(0) thumbnail url';var result=$ml(qString,xml).get();if(result){preloads=preloads.concat(result);}}}
for(curEx=0;curEx<exhibitCount;curEx++){if(curEx!=curExhibit){if(picturebox){qString='exhibits exhibit:eq('+curEx+') view:eq(0) picturebox url';var result=$ml(qString,xml).get();if(result){preloads=preloads.concat(result);}}
if(viewsheet){qString='exhibits exhibit:eq('+curEx+') view viewthumb url';var result=$ml(qString,xml).get();if(result){preloads=preloads.concat(result);}}}}
that.sgconsole('preload list has '+preloads.length+'items');if(preloads.length>preloadMax){preloads.length=preloadMax;}
preloadNext();}}
preloadErr=function(){this.sgconsole('PRELOADING err '+this.src);preloadNext();}
function preloadNext(){if(preloads.length>0){var curSrc=$ml.trim($ml(preloads.shift()).text());that.sgconsole('PRELOADING next picturebox image '+curSrc+'('+preloads.length+' left)');var img=new Image();img.onerror=preloadErr;img.onload=preloadNext;img.src=curSrc;}}
this.postXMLInit=function(){this.sgconsole("Docent: postXMLInit");this.sgconsole("About to update metadata");this.updateMetadata();this.sgconsole("binding preloader");exhibitCount=$ml('exhibit',xml).length;curExhibit=getExhibitFromURL();var thumbsheetCount=$ml('thumbsheet',xml).length;$ml('options thumbsheet',xml).each(function(n){var sheetConstructor=$ml('option[varname="constructor"]',this).attr("value");if(!sheetConstructor){sgalert('No thumbsheet contructor provided in xml!')};if(!com.medialab.sg.gallery1[sheetConstructor]){sgalert('Thumbsheet constructor "'+sheetConstructor+'" not available!')};var sheetmode=$ml('option[varname="mode"]',this).attr("value");that.sgconsole("Found a "+sheetmode+" sheet with constructor "+sheetConstructor);if(sheetmode=='exhibit'){exhibitsheetOptions=this;thumbsheet=new com.medialab.sg.gallery1[sheetConstructor](xml,sheetmode,that);}
else{viewsheetOptions=this;viewsheet=new com.medialab.sg.gallery1[sheetConstructor](xml,sheetmode,that);}});var pictureboxCount=$ml('options picturebox',xml).length;if(pictureboxCount>0){var pboxConstructor=$ml('options picturebox option[varname="constructor"]',xml).attr("value");that.sgconsole("Found a picturebox with constructor "+pboxConstructor);if(!pboxConstructor){sgalert('No picturebox contructor provided in xml!')};if(!window[pboxConstructor]){sgalert('Picturebox constructor "'+pboxConstructor+'" not available!')};pictureboxOptions=$ml('options picturebox',xml);picturebox=new com.medialab.sg.gallery1[pboxConstructor](xml,this);}
var bigboxCount=$ml('options bigbox',xml).length;if(bigboxCount>0){var bboxConstructor=$ml('options bigbox option[varname="constructor"]',xml).attr("value");that.sgconsole("Found a bigbox with constructor "+bboxConstructor);if(!bboxConstructor){sgalert('No bigbox contructor provided in xml!')};if(!window[pboxConstructor]){sgalert('Bigbox constructor "'+bboxConstructor+'" not available!')};bigboxOptions=$ml('options bigbox',xml);this.sgconsole("Found a BIGBOX: "+bboxConstructor);bigBox=new com.medialab.sg.gallery1[bboxConstructor](xml,this);}
var panelCount=$ml('options panel',xml).length;if(panelCount>0){var panelMode=$ml('options panel option[varname="mode"]',this).attr("value");if(typeof(panelMode)=='undefined'){panelMode='exhibit';}
var panelConstructor=$ml('options panel option[varname="constructor"]',xml).attr("value");that.sgconsole("Found a panel with constructor "+panelConstructor);if(!panelConstructor){sgalert('No panel contructor provided in xml!')};if(!window[panelConstructor]){sgalert('panel constructor "'+panelConstructor+'" not available!')};panelOptions=$ml('options panel',xml);this.sgconsole("Found a panel!!");panel=new com.medialab.sg.gallery1[panelConstructor](xml,panelMode,this);}
setUpPreloads();}
this.openBigbox=function(mode){if(!mode){if(!viewsheet||curView==0){mode='exhibit';}
else{mode='view';}}
this.sgconsole('js docent opening '+mode+' mode bigbox with exhibit '+curExhibit+', view '+curView);bigBox.openByView(mode,curExhibit,curView);}
this.num2url=function(exhibitNum,viewNum){var foundUrl=$ml('exhibits exhibit:eq('+exhibitNum+') views view:eq('+viewNum+') picturebox url',xml).text();if(foundUrl){return foundUrl;}
else{return $ml('exhibits exhibit:eq('+exhibitNum+') views view:eq('+viewNum+') bigbox url',xml).text();}}
this.updateMetadata=function(){this.sgconsole('NOW IN updateMetadata - '+$ml($ml('form[class*="'+that.getName()+'"] input[value*="[["]')[0]).attr('value'));if(metaHrefs==null){metaHrefs=new Array();$ml('a[class*='+that.getName()+']').each(function(n){var origHref=$ml(this).attr('href');var node=this;metaHrefs[n]={origHref:origHref,node:node};});}
if(formMetaData==null){formMetaData=new Array();var searchStr='form[class*="'+that.getName()+'"] input[value*="[["]';$ml(searchStr).each(function(){var mdWithDelims=$ml(this).attr('value');var mdataName=mdWithDelims.substring(2,mdWithDelims.length-2);formMetaData.push({node:this,meta:mdataName});});}
$ml('exhibit:eq('+curExhibit+') view:eq(0) metadata',xml).each(function(n){var metadataName=$ml(this).attr('name');var mdContent=$ml.trim($ml(this).text());var targetClass='"'+that.getName()+' '+metadataName+'"';if($ml('span.[class="'+targetClass+'"]:not(div[id*=panelsheet] span)').length>0){$ml('span.[class="'+targetClass+'"]:not(div[id*=panelsheet] span)').html(mdContent);}});for(var curHref=0;curHref<metaHrefs.length;curHref++){var newHref=metaHrefs[curHref].origHref;$ml('exhibit:eq('+curExhibit+') view:eq(0) metadata',xml).each(function(n){var mdContent=$ml.trim($ml(this).text());var metadataChunk='[['+$ml(this).attr('name')+']]';newHref=newHref.replace(metadataChunk,escape(mdContent));});$ml(metaHrefs[curHref].node).attr('href',newHref);}
for(var curFormFieldNum=0;curFormFieldNum<formMetaData.length;curFormFieldNum++){var mdContent=$ml.trim($ml('exhibit:eq('+curExhibit+') view:eq(0) metadata[name="'+formMetaData[curFormFieldNum].meta+'"]',xml).text());$ml(formMetaData[curFormFieldNum].node).attr('value',mdContent);}
if(typeof(fc_CookieFix)=="function"){fc_CookieFix();}}
this.sync=function(){this.sgconsole('in sync picturebox '+picturebox+' dirty '+pictureboxDirty);if(thumbsheet&&thumbsheetDirty){this.sgconsole('sync thumbsheet');thumbsheet.select(curExhibit);thumbsheetDirty=false;}
if(viewsheet&&viewsheetDirty){this.sgconsole('sync viewsheet');if(exhibitChange){this.sgconsole('exhibitChange, resetting curView to 0');curView=0;viewsheet.updateSheet();}
else{viewsheet.select(curView);}
viewsheetDirty=false;}
if(panel&&panel.goToPanel){this.sgconsole('sync panelsheet');panel.goToPanel(curExhibit);}
this.sgconsole("*Syncing: "+curExhibit+","+curView);this.updateMetadata();if(picturebox&&pictureboxDirty){this.sgconsole('docent calling picturebox.displaybynum with '+curExhibit);picturebox.displayByNum(curExhibit,curView);}}
this.hasViewSheet=function(){if(viewsheet){return true;}
return false;}
this.pictureboxReady=function(){}
this.thumbSheetReady=function(){}
function errorXML(xhr,errStr,exceptionObj){sgalert("SiteGrinder's Gallery data could not be loaded.  Error: "+errStr);}
function initJQUERYAccessors(){this.altThumbQuery="exhibits > exhibit > views > view > thumbnail > src";this.altPictureboxQuery="exhibits > exhibit > views > view > picturebox > src";}
function setUpGalleryParts(){this.thumbsheet=new com.medialab.sg.gallery1.thumbsheet(this.thumbsheetXML);}
function loadGalleryXML(){var loadMethod="GET";var ie_pain='';if(useUncachedXML()){loadMethod="POST";ie_pain='?r='+Math.floor(Math.random()*10000);}
$ml.ajax({type:loadMethod,url:galleryXMLpath+ie_pain,dataType:"xml",success:that.processXML,error:errorXML});return(true);}
function useUncachedXML(){return(document.location.href.indexOf('reload=true')!=-1);}
(function($){$.cssRule=function(Selector,Property,Value){if(typeof Selector=="object"){$.each(Selector,function(NewSelector,NewProperty){$.cssRule(NewSelector,NewProperty);});return;}
if((typeof Selector=="string")&&(Selector.indexOf(":")>-1)&&(Property==undefined)&&(Value==undefined)){Data=Selector.split("{");Data[1]=Data[1].replace(/\}/,"");$.cssRule($.trim(Data[0]),$.trim(Data[1]));return;}
if((typeof Selector=="string")&&(Selector.indexOf(",")>-1)){Multi=Selector.split(",");for(x=0;x<Multi.length;x++){Multi[x]=$.trim(Multi[x]);if(Multi[x]!="")
$.cssRule(Multi[x],Property,Value);}
return;}
if(typeof Property=="object"){if(Property.length==undefined){$.each(Property,function(NewProperty,NewValue){$.cssRule(Selector+" "+NewProperty,NewValue);});}else if((Property.length==2)&&(typeof Property[0]=="string")&&(typeof Property[1]=="string")){$.cssRule(Selector,Property[0],Property[1]);}else{for(x1=0;x1<Property.length;x1++){$.cssRule(Selector,Property[x1],Value);}}
return;}
if((typeof Property=="string")&&(Property.indexOf("{")>-1)&&(Property.indexOf("}")>-1)){Property=Property.replace(/\{/,"").replace(/\}/,"");}
if((typeof Property=="string")&&(Property.indexOf(";")>-1)){Multi1=Property.split(";");for(x2=0;x2<Multi1.length;x2++){$.cssRule(Selector,Multi1[x2],undefined);}
return;}
if((typeof Property=="string")&&(Property.indexOf(":")>-1)){Multi3=Property.split(":");$.cssRule(Selector,Multi3[0],Multi3[1]);return;}
if((typeof Property=="string")&&(Property.indexOf(",")>-1)){Multi2=Property.split(",");for(x3=0;x3<Multi2.length;x3++){$.cssRule(Selector,Multi2[x3],Value);}
return;}
styleSheetsLength=document.styleSheets.length;if(styleSheetsLength<=1){if(!document.createStyleSheet){var styleSheet=(typeof document.createElementNS!=undefined)?document.createElementNS("http://www.w3.org/1999/xhtml","style"):document.createElement("style");styleSheet.setAttribute("type","text/css");styleSheet.setAttribute("media","screen");if(styleSheetsLength==0){$($("html")[0]).prepend(styleSheet);}}else{BaseStyle=document.getElementsByTagName("style");if(BaseStyle.length>0)
document.getElementsByTagName("style")[0].disabled=false;var styleSheet=document.createElement("style");styleSheet.setAttribute("type","text/css");styleSheet.setAttribute("media","screen");styleSheet.disabled=false;$($("html")[0]).prepend(styleSheet);}}
if((Property==undefined)||(Value==undefined))
return;Selector=$.trim(Selector);Property=$.trim(Property);Value=$.trim(Value);if((Property=="")||(Value==""))
return;if($.browser.msie){switch(Property){case"float":Property="style-float";break;}}else{switch(Property){case"float":Property="css-float";break;}}
CssProperty=(Property||"").replace(/\-(\w)/g,function(m,c){return(c.toUpperCase());});for(var i=0;i<document.styleSheets.length;i++){var Rules=null;CurrentStyleSheet=document.styleSheets[i];if(typeof(CurrentStyleSheet)!='undefined'&&CurrentStyleSheet!=null&&typeof(CurrentStyleSheet.href)=='string'&&CurrentStyleSheet.href.indexOf('foxycart')<0)
{try{if(CurrentStyleSheet['cssRules']!=null&&typeof(CurrentStyleSheet['cssRules'])!='undefined'){Rules=CurrentStyleSheet['cssRules'];}
if(CurrentStyleSheet['rules']!=null&&typeof(CurrentStyleSheet['rules'])!='undefined'){Rules=CurrentStyleSheet['rules'];}}
catch(ex){continue;}
LowerSelector=Selector.toLowerCase();if(Rules!=null&&typeof Rules=='object'){if(Rules.length!=0){for(var i2=0,len=Rules.length;i2<len;i2++){if(Rules[i2].selectorText&&(Rules[i2].selectorText.toLowerCase()==LowerSelector)){if(Value!=null){Rules[i2].style[CssProperty]=Value;return;}
else{if(CurrentStyleSheet.deleteRule){CurrentStyleSheet.deleteRule(i2);}
else
if(CurrentStyleSheet.removeRule){CurrentStyleSheet.removeRule(i2);}
else{Rules[i2].style.cssText="";}}}}}}}
else{}}
if(Property&&Value){var Rules=null;for(var i=0;i<document.styleSheets.length;i++){WorkerStyleSheet=document.styleSheets[i];if(typeof(WorkerStyleSheet)!='undefined'&&WorkerStyleSheet!=null&&typeof(WorkerStyleSheet.href)=='string'&&WorkerStyleSheet.href.indexOf('foxycart')<0&&(WorkerStyleSheet['cssRules']!=null||WorkerStyleSheet['rules']!=null)){if(WorkerStyleSheet.insertRule){try{if(WorkerStyleSheet['cssRules']!=null&&typeof(WorkerStyleSheet['cssRules'])!='undefined'){Rules=WorkerStyleSheet['cssRules'];}
if(WorkerStyleSheet['rules']!=null&&typeof(WorkerStyleSheet['rules'])!='undefined'){Rules=WorkerStyleSheet['rules'];}}
catch(ex){continue;}
WorkerStyleSheet.insertRule(Selector+"{ "+Property+":"+Value+"; }",Rules.length);}else if(WorkerStyleSheet.addRule){WorkerStyleSheet.addRule(Selector,Property+":"+Value+";",0);}else{throw new Error("Add/insert not enabled.");}}
else{}}}};$.tocssRule=function(cssText){matchRes=cssText.match(/(.*?)\{(.*?)\}/);while(matchRes){cssText=cssText.replace(/(.*?)\{(.*?)\}/,"");$.cssRule(matchRes[1],matchRes[2]);matchRes=cssText.match(/(.*?)\{(.*?)\}/);}}})($ml);(function($){$.fn.toXML=function(){var toXML=function(node){var out='';var attributes='';var content='';out+='<'+node.nodeName;if(node.childNodes){for(var i=0;i<node.childNodes.length;i++){switch(node.childNodes[i].nodeType){case 1:content+=toXML(node.childNodes[i]);break;case 2:attributes+=' '+node.childNodes[i].nodeName+'="'+
node.childNodes[i].nodeValue+'"';break;case 3:case 4:case 5:case 6:case 7:case 8:case 9:case 10:case 11:case 12:content+=node.childNodes[i].nodeValue;break;}}}
out+=attributes;if(content.length>0){out+='>'+content;out+='<\/'+node.tagName+'>';}
else{out+='/>';}
return out;}
var out='';if(this.length>0){if(typeof XMLSerializer=='function'||typeof XMLSerializer=='object'){var xs=new XMLSerializer();this.each(function(){out+=xs.serializeToString(this);});}
else
if(this[0].xml!==undefined){this.each(function(){out+=this.xml;});}
else{if(this.length>0){this.each(function(){out+=toXML(this);});}}}
return out;};})($ml);this.getUrlParam=function(param){var regex='[?&]'+param+'=([^&#]*)';var results=(new RegExp(regex)).exec(window.location.href);if(results)return results[1];return null;}
this.sgconsole=function(text){if(useConsole){var msg="DOCENT : "+text;if(window.console&&console.log){console.log(msg);}
else
if(window.opera&&opera.postError){opera.postError(msg);}}}
this.sendMessage=function(where,what){switch(where){case"thumbsheet":if(thumbsheet){return thumbsheet.message(what);}
else{this.agalert("There's no thumbsheet to send the message "+what+" to")};break;case"viewsheet":if(viewsheet){return viewsheet.message(what);}
else{this.agalert("There's no viewsheet to send the message "+what+" to")};break;case"picturebox":if(picturebox){return picturebox.message(what);}
else{this.agalert("There's no picturebox to send the message "+what+" to")};break;case"bigbox":if(bigbox){return bigbox.message(what);}
else{this.agalert("There's no bigbox to send the message "+what+" to")};break;default:this.agalert("Can't send message '"+what+"' because I don't recognize '"+where+"' as a message target.");break;}
return null;}
this.getMetadata=function(dataLabel,exhibitNum){if(typeof(exhibitNum)=='undefined'){exhibitNum=curExhibit;}
var mdata="";if(typeof(dataLabel)=='undefined'||dataLabel==null||dataLabel==""){return"";}
mdata=$ml('exhibits > exhibit:eq('+exhibitNum+') > views > view:eq(0) > metadataentries > metadata[name="'+dataLabel+'"]',xml).text();return mdata;}
this.getThumbImage=function(thumbNum,mode){if(typeof mode=='undefined'||mode=='exhibit'){return $ml('exhibit:eq('+thumbNum+') > views > view:eq(0) > thumbnail > url',xml).text();}else{return $ml('exhibit:eq('+curExhibit+') view > viewthumb > url',xml).eq(thumbNum).text();}}
this.iterateExhibitThumbImageUrls=function(iterator,data){var iiterator=iterator;var idata=data;$ml('exhibit',xml).each(function(n){iiterator(n,idata,$ml('views > view > thumbnail > url',this).eq(0).text());});}
this.iterateViewThumbImageUrls=function(iterator,data,exhibitNumIn){var iiterator=iterator;var idata=data;var curExhibit=exhibitNumIn?exhibitNumIn:this.getCurrentExhibit();$ml('exhibit:eq('+curExhibit+') view',xml).each(function(n){iiterator(n,idata,$ml('viewthumb > url',this).eq(0).text());});}
this.getNumViews=function(exNumIn){var exNum=exNumIn?exNumIn:curExhibit;var numViews=$ml('exhibit:eq('+curExhibit+') view',xml).length;this.sgconsole("num views for exhibit "+curExhibit+" : "+numViews);return numViews;}
this.pictureboxSelectByNum=function(imageNum,updatePbox){this.sgconsole("Picturebox pictureboxSelectByNum exhibit: "+imageNum);if(typeof updatePbox=='undefined'){pictureboxDirty=false;}else{pictureboxDirty=updatePbox;}
if(imageNum!=curExhibit){this.sgconsole("image not current so about to sync");prevExhibit=curExhibit;curExhibit=imageNum;thumbsheetDirty=true;viewsheetDirty=true;this.sync();}}
this.sgconsole("docent initializing");this.init();this.thumbHover=function(e){}
this.thumbClick=function(e){}
this.alt_thumbHover=function(e){}
this.alt_thumbClick=function(e){}
this.next=function(){this.nextClick(null);}
this.prev=this.previous=function(){this.previousClick(null);}
this.nextView=function(){if(curView<this.getNumViews()-1){curView++;pictureboxDirty=true;viewsheetDirty=true;thumbsheetDirty=false;exhibitChange=false;this.sync();}}
this.prevView=this.previousView=function(){if(curView>0){curView--;pictureboxDirty=true;viewsheetDirty=true;thumbsheetDirty=false;exhibitChange=false;this.sync();}}
this.nextThumbSet=function(){this.sgconsole('next Thumb set ')
if(thumbsheet&&thumbsheet.nextThumbSet){thumbsheet.nextThumbSet();}}
this.prevThumbSet=this.previousThumbSet=function(){this.sgconsole('prev Thumb set ')
if(thumbsheet&&thumbsheet.previousThumbSet){thumbsheet.previousThumbSet();}}
this.nextViewSet=function(){this.sgconsole('next View set ')
if(viewsheet&&viewsheet.nextThumbSet){viewsheet.nextThumbSet();}}
this.prevViewSet=this.previousViewSet=function(){this.sgconsole('prev View set ')
if(viewsheet&&viewsheet.previousThumbSet){viewsheet.previousThumbSet();}}
this.nextPanel=function(){this.sgconsole('next panel set '+panel)
if(panel&&panel.nextPanel){panel.nextPanel();}}
this.prevPanel=this.previousPanel=function(){this.sgconsole('prev panel set '+panel)
if(panel&&panel.previousPanel){panel.previousPanel();}}
this.nextPanelSet=function(){this.sgconsole('next panel set '+panel)
if(panel&&panel.nextPanelSet){panel.nextPanelSet();}}
this.prevPanelSet=this.previousPanelSet=function(){this.sgconsole('prev panel set '+panel)
if(panel&&panel.previousPanelSet){panel.previousPanelSet();}}
this.pictureboxNextClick=function(updatePbox,e){this.sgconsole("Picturebox Next click received.");if(curExhibit<exhibitCount-1){curExhibit++;if(updatePbox){pictureboxDirty=true;}else{pictureboxDirty=false;}
thumbsheetDirty=true;viewsheetDirty=true;exhibitChange=true;this.sync();}}
this.pictureboxPreviousClick=function(updatePbox,e){if(curExhibit>0){curExhibit--;thumbsheetDirty=true;viewsheetDirty=true;if(updatePbox){pictureboxDirty=true;}else{pictureboxDirty=false;}
exhibitChange=true;this.sync();}}
this.toCSSColor=function(hexColor){if(hexColor!=undefined){if(typeof(hexColor)=='number'){return'#'+hexColor;}
if(hexColor.substring(0,1)=='#'){return hexColor;}
else
if(hexColor.substring(0,2)=='0x'){return'#'+hexColor.substring(2);}
else
if(!isNaN('0x'+hexColor)){return'#'+hexColor;}}
return null;}
this.thumbNextClick=function(mode,e){this.sgconsole("thumb Next click received. mode:"+mode);if(curExhibit<exhibitCount-1){curExhibit++;if(mode=='view'){thumbsheetDirty=false;exhibitChange=false;}else{thumbsheetDirty=true;exhibitChange=true;}
viewsheetDirty=true;pictureboxDirty=true;this.sync();}}
this.thumbPreviousClick=function(mode,e){this.sgconsole("thumb prev click received. mode:"+mode);if(curExhibit>0){curExhibit--;if(mode=='view'){thumbsheetDirty=false;exhibitChange=false;}else{thumbsheetDirty=true;exhibitChange=true;}
viewsheetDirty=true;pictureboxDirty=true;this.sync();}}
this.nextClick=function(e){this.sgconsole("Next click received.");if(curExhibit<exhibitCount-1){curExhibit++;thumbsheetDirty=true;viewsheetDirty=true;pictureboxDirty=true;exhibitChange=true;this.sync();}}
this.previousClick=function(e){if(curExhibit>0){curExhibit--;thumbsheetDirty=true;viewsheetDirty=true;pictureboxDirty=true;exhibitChange=true;this.sync();}}
this.nextHover=function(e){}
this.previousHover=function(e){}
this.pictureboxHover=function(e){}
this.pictureboxIsFlashBased=function(){var flashBased=false;if(pictureboxOptions){$ml('option',pictureboxOptions).each(function(n){var val=String($ml(this).attr('value'));var lVal=val.toLowerCase();if(lVal.substring(lVal.length-4)=='.swf'){flashBased=true;}});}
return flashBased;}
this.gotoCustomUrl=function(exhibitNum,viewNum,windowName,props){if(typeof(exhibitNum)=='undefined'){exhibitNum=curExhibit;}
if(typeof(viewNum)=='undefined'){viewNum=curView;}
var url=$ml.trim($ml('exhibits exhibit:eq('+exhibitNum+') views view:eq('+viewNum+') link',xml).text());this.gotoUrl(url,windowName,props);}
this.gotoUrl=function(url,newWindowName,props){if(typeof(url)!='string'){return;}
if(typeof(newWindowName)=='undefined'){location=url;}
else{window.open(url,newWindowName,props);}}
this.getJSON=function(url,callback){this.getYQL('select * from feed where url="'+url+'"',callback);}
this.getYQL=function(yqlQuery,callback){var eQuery=escape(yqlQuery);eQuery=eQuery.replace(/\//g,'%2F');var finalQuery='http://query.yahooapis.com/v1/public/yql?q='+eQuery+'&format=json&callback=?';$ml.getJSON(finalQuery,callback);}
this.json2GalleryXML=function(jIn,labelsIn){var labels=labelsIn;var myXML="<exhibits>";$ml.each(data.query.results.item,function(index,item){myXML+='<exhibit><views><view><metadataentries>'
for(var curLabelNum=0;curLabelNum<labels.length;curLabelNum++){var content=item[labels[curLabelNum]];if(typeof(content)!='undefined'&&content!=""){myXML+='<metadata name="'+labels[curLabelNum]+'">';myXML+=content;myXML+='</metadata></metadataentries>'
myXML+='</view></views></exhibit>';}}});myXML+='</exhibits>';return myXML;}
this.getClickUrl=function(mode){if(typeof mode=='undefined'){mode='exhibit';}
if(mode=='exhibit'){return $ml.trim($ml('exhibits exhibit:eq('+curExhibit+') view:eq(0) link',xml).text());;}
else if(mode=='view'){return $ml.trim($ml('exhibits exhibit:eq('+curExhibit+') view:eq('+curView+') link',xml).text());;}
else{return"";}}
this.pictureboxClick=function(updatePbox,clickAction){if(typeof(updatePbox)=="undefined"&&this.pictureboxIsFlashBased()){updatePbox=false;}
if(!clickAction){this.sgconsole("docent finding clickaction itself since picturebox did not supply it");clickAction=this.getPictureBoxOption('clickaction');}
if(typeof(clickAction)=="string"){this.sgconsole("docent: picBoxClick: "+clickAction+" updatePbox: "+updatePbox);switch(clickAction.toLowerCase()){case'advance':this.pictureboxNextClick(updatePbox,null);break;case'url':var url=this.getClickUrl();if(typeof url!='string'||url==""){return;}
if(!this.getPictureBoxOption('newwindow')){this.gotoUrl(url);}
else{var newWindowName=this.getPictureBoxOption('newwindowname')||"Untitled";var props="";var h=this.getPictureBoxOption('newwindowheight');if(h!=""&&h!=0){props+="height="+h;}
if(props.length>0){props+=",";}
var w=this.getPictureBoxOption('newwindowwidth');if(w!=""&&w!=0){props+="width="+w;}
if(props.length>0){props+=",";}
if(w==""||h==""||w==0||h==0){props+="resizable=yes";}
else{props+="resizable=no";};this.gotoUrl(url,newWindowName,props);}
break;case'bigbox':this.sgconsole("about to call openBigBox");this.openBigbox();break;default:this.sgconsole("unknown picturebox clickaction: "+clickAction);break;}}
else{this.sgconsole("picturebox clicked, but clickaction is null or undefined ");}}}
if(!com.medialab.parseUri){com.medialab.parseUri={};}
com.medialab.parseUri.options={strictMode:false,key:["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],q:{name:"queryKey",parser:/(?:^|&)([^&=]*)=?([^&]*)/g},parser:{strict:/^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,loose:/^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/}};com.medialab.parseUri.parse=function(str){var o=com.medialab.parseUri.options,m=o.parser[o.strictMode?"strict":"loose"].exec(str),uri={},i=14;while(i--)uri[o.key[i]]=m[i]||"";uri[o.q.name]={};uri[o.key[12]].replace(o.q.parser,function($0,$1,$2){if($1)uri[o.q.name][$1]=$2;});return uri;}