
function initThemeChooser(settings){var isInitialized=false;var currentThemeSystem;var currentStylesheetEl;var loadingEl=document.getElementById('loading');var systemSelectEl=document.querySelector('#theme-system-selector select');var themeSelectWrapEls=Array.prototype.slice.call(document.querySelectorAll('.selector[data-theme-system]'));systemSelectEl.addEventListener('change',function(){setThemeSystem(this.value);});setThemeSystem(systemSelectEl.value);themeSelectWrapEls.forEach(function(themeSelectWrapEl){var themeSelectEl=themeSelectWrapEl.querySelector('select');themeSelectWrapEl.addEventListener('change',function(){setTheme(currentThemeSystem,themeSelectEl.options[themeSelectEl.selectedIndex].value);});});function setThemeSystem(themeSystem){var selectedTheme;currentThemeSystem=themeSystem;themeSelectWrapEls.forEach(function(themeSelectWrapEl){var themeSelectEl=themeSelectWrapEl.querySelector('select');if(themeSelectWrapEl.getAttribute('data-theme-system')===themeSystem){selectedTheme=themeSelectEl.options[themeSelectEl.selectedIndex].value;themeSelectWrapEl.style.display='inline-block';}else{themeSelectWrapEl.style.display='none';}});setTheme(themeSystem,selectedTheme);}
function setTheme(themeSystem,themeName){var stylesheetUrl=generateStylesheetUrl(themeSystem,themeName);var stylesheetEl;function done(){if(!isInitialized){isInitialized=true;settings.init(themeSystem);}
else{settings.change(themeSystem);}
showCredits(themeSystem,themeName);}
if(stylesheetUrl){stylesheetEl=document.createElement('link');stylesheetEl.setAttribute('rel','stylesheet');stylesheetEl.setAttribute('href',stylesheetUrl);document.querySelector('head').appendChild(stylesheetEl);loadingEl.style.display='inline';whenStylesheetLoaded(stylesheetEl,function(){if(currentStylesheetEl){currentStylesheetEl.parentNode.removeChild(currentStylesheetEl);}
currentStylesheetEl=stylesheetEl;loadingEl.style.display='none';done();});}else{if(currentStylesheetEl){currentStylesheetEl.parentNode.removeChild(currentStylesheetEl);currentStylesheetEl=null}
done();}}
function generateStylesheetUrl(themeSystem,themeName){if(themeSystem==='bootstrap'){if(themeName){return'https://bootswatch.com/4/'+themeName+'/bootstrap.min.css';}
else{return'https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css';}}}
function showCredits(themeSystem,themeName){var creditId;if(themeSystem.match('bootstrap')){if(themeName){creditId='bootstrap-custom';}
else{creditId='bootstrap-standard';}}
Array.prototype.slice.call(document.querySelectorAll('.credits')).forEach(function(creditEl){if(creditEl.getAttribute('data-credit-id')===creditId){creditEl.style.display='block';}else{creditEl.style.display='none';}})}
function whenStylesheetLoaded(linkNode,callback){var isReady=false;function ready(){if(!isReady){isReady=true;callback();}}
linkNode.onload=ready;setTimeout(ready,2000);}}