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function CacheBot(searchTaxaUrl, taxonPageUrl, pageSize, progressCallback, readyCallback, doneCallback, errorCallback){
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var taxonPageUrl = taxonPageUrl;
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var searchTaxaUrl = searchTaxaUrl;
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var pageSize;
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var progress = 0;
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var i = 0;
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var doRun = false;
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var dataPager = null;
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// this.elapsedMillies = 0;
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// this.estimatedMillies = 0;
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/**
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* Log to the Firebug Console if Firebug is available
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* @param msg the massage to show in the firebug Console
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* @return
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*/
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var log = function(msg){
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if (window.console && window.console.firebug){
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console.log(msg);
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}
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}
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/**
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*
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* @param data
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* @param statusText
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* @return
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*/
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var init = function(data, statusText){
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dataPager = data;
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if(dataPager != undefined){
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progressCallback(progress, null, null, "Ready!");
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}
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if(readyCallback != undefined){
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readyCallback();
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}
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elapsedMillies = 0;
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estimatedMillies = 0;
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};
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/**
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*
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* @param callback
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* @return
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*/
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var requestNextDataPage = function(callback){
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var uri = searchTaxaUrl + escape("&pageSize=" + pageSize);
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if(dataPager != null){
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uri += escape("&pageNumber="+ dataPager.nextIndex);
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}
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log('page->'+uri);
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$.ajax({
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url: uri,
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dataType: 'json',
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cache: false, // browser will not cache
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success: callback,
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error: function(XMLHttpRequest, statusText ){
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stop();
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errorCallback(statusText, 'A network error occurred, please start again.', unescape(uri), true);
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}
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});
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}
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/**
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*
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*/
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this.run = function(lastMillies){
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//
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var now = new Date();
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var nowMillies = now.getTime();
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if(lastMillies != undefined){
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elapsedMillies += (nowMillies - lastMillies);
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estimatedMillies = (elapsedMillies / i) * dataPager.count;
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}
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var parent = this;
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// get next page of data
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if( i > dataPager.lastRecord - 1 && i < dataPager.count && dataPager.nextIndex != undefined){
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requestNextDataPage(function(data, statusText){
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if(statusText == 'success'){
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dataPager = data;
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parent.run(nowMillies);
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} else {
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parent.stop();
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readyCallback(statusText);
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}
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});
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} else {
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// update the progress callback
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var p = (i / dataPager.count);
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if(p != progress){
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progress = p;
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progressCallback(progress, new Date(elapsedMillies), new Date(estimatedMillies));
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}
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// get new taxon page
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if (doRun == true && i++ < dataPager.count){
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var ri = i - (dataPager.firstRecord);
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var taxon = dataPager.records[ri];
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var taxonUrl = taxonPageUrl + taxon.uuid + '/all';
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log('taxon->'+taxonUrl);
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$.ajax({
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url: taxonUrl,
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cache: false, // browser will not cache
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complete: function(xmlHttpRequest, statusText){
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if(xmlHttpRequest.status != 200){
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errorCallback(statusText, null, unescape(taxonUrl), false);
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}
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parent.run(nowMillies);
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}
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});
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taxon = null;
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} else if(i == dataPager.count) {
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// DONE!
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if(doneCallback != undefined){
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doneCallback();
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}
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} else if(doRun == false){
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readyCallback();
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}
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}
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};
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/**
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*
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*/
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this.start = function(){
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doRun = true;
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this.run();
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};
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/**
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*
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*/
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this.stop = function(){
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doRun = false;
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};
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// get list of taxa and initialize the Bot
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progressCallback(0, null, null, "Initializing, please wait ...");
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requestNextDataPage(function(data, statusText){
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init(data, statusText);
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});
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}
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// -----------------------------------------------------------------------------
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$(document).ready(function() {
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var searchTaxaUrl = $('#cdm-settings-cache [name=searchTaxaUrl]').val();
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var taxonPageUrl = $('#cdm-settings-cache [name=taxonPageUrl]').val();
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$('#cdm-settings-cache [name=start]').attr('disabled', 'disabled');
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$('#cdm-settings-cache [name=stop]').attr('disabled', 'disabled');
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$('#cdm-settings-cache #progress').css({background: '#012456', color: '#349AAF', fontSize: '100%', padding: '10px'})
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$('#cdm-settings-cache #progress').html(
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'<div id="usermessage" style="font-size:95%; width: 50%; float:right; font-weight:light; padding:10px; border-left: 1px solid; height: 3.9em;"></div>'
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+'<div id="counter" style="font-size:300%; padding:10px;"></div>'
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+'<div id="time" style="clear:both; border-top:1px solid #349AAF;"></div>'
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+'<div id="log" style="border-top:1px solid #349AAF; font-size:85%; overflow: auto; white-space:nowrap;"></div>');
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var formatTime = function(date){
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var h = parseInt(date.getTime() / 1000 / 60 / 60);
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var m = parseInt( (date.getTime() / 1000/ 60) % 60);
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var s = parseInt( (date.getTime() / 1000 ) % 60);
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return '' + h +'h '+ m +'m '+ s +'s ';
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}
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var progressCallback = function(progress, elapsedTime, estimatedTime, userMessage){
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var percent = Math.floor(progress * 10000) / 100;
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$('#counter').text(percent + '%');
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if(elapsedTime != null){
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var timehtml =
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'elapsed time: ' + formatTime(elapsedTime)
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+ '<br />estimated time: ' + formatTime(estimatedTime)
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+ '<br />remainig time: ' + formatTime(new Date(estimatedTime.getTime() - elapsedTime.getTime()));
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$('#time').html(timehtml);
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}
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if(userMessage == undefined || userMessage == null ){
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userMessage = '';
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}
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$('#usermessage').html(userMessage);
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}
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var readyCallback = function(message){
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$('#cdm-settings-cache [name=start]').removeAttr('disabled');
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if(message != undefined){
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$('#cdm-settings-cache').append('<div class="error">'+message+'</div>');
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}
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}
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var doneCallback = function(progress){
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var percent = Math.floor(progress * 10000) / 100;
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$('#cdm-settings-cache #progress').text('DONE');
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$('#cdm-settings-cache [name=stop]').removeAttr('disabled');
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}
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var errorCallback = function(errorMessage, userMessage, taxonUrl, doStop){
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var logentry = '<div>' + errorMessage + ' : ' + taxonUrl + '' + '</div>';
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if($('#log div').length == 0){
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$('#log').html(logentry);
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} else {
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$('#log div:last').append(logentry)
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}
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if(userMessage == undefined || userMessage == null ){
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userMessage = '';
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}
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$('#usermessage').html(userMessage);
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if(doStop){
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$('#cdm-settings-cache [name=stop]').attr('disabled', 'disabled');
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$('#cdm-settings-cache [name=start]').removeAttr('disabled');
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}
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}
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var cacheBot = new CacheBot(searchTaxaUrl, taxonPageUrl, 25, progressCallback, readyCallback, doneCallback, errorCallback);
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$('#cdm-settings-cache [name=start]').click(function(){
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cacheBot.start();
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$('#cdm-settings-cache [name=start]').attr('disabled', 'disabled');
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$('#cdm-settings-cache [name=stop]').removeAttr('disabled');
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$('#usermessage').html(' ');
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}).attr('disabled', 'disabled');
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$('#cdm-settings-cache [name=stop]').click(function(){
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cacheBot.stop();
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$('#cdm-settings-cache [name=stop]').attr('disabled', 'disabled');
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235
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}).attr('disabled', 'disabled');
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});
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