$(function(){showDialogue();$('#video_download_options').hide();$('div.word').click(function(e){showWordNotes(e.currentTarget)})});function showVocabulary(){$('#dialogue,#master_class').hide();$('#vocabulary').show()}function showWordNotes(item){var notesDiv=getNotesDiv(item);if(item.className=='word with_notes on'){hideWordNotes(item);hideAllWords();return}hideAllWords();$(item).addClass('on');notesDiv.show()}function hideAllWords(){$('.on').each(function(i,item){$(item).removeClass('on')});$('div.notes').each(function(i,item){hideWordNotes(item)})}function hideWordNotes(item){return getNotesDiv(item).hide()}function getNotesDiv(parent_item){var id='#notes_'+parent_item.id.match('[0-9]+$')[0];return $(id)}function showDialogue(){$('#dialogue').show();$('#vocabulary,#master_class').hide();$('#move').show();$('#video_activities').addClass('jqDnR');$('div.english.translation').hide()}function showMasterClass(){$('#dialogue,#vocabulary,div.english.translation').hide();$('#master_class').show()}function showTranslation(){showDialogue();$('div.english.translation').show()}function fullScreenMode(){showDialogue();$('#open_fullscreen_mode').hide();$('#close_fullscreen_mode').show();$('#canvas').addClass('fullscreen')}function exitFullScreenMode(){showDialogue();$('#open_fullscreen_mode').show();$('#close_fullscreen_mode').hide();$('#canvas').removeClass('fullscreen')}function setLevels(){var post_levels='';$('#level input').each(function(e,item){if(item.checked){post_levels+=item.value+','}});$.post('/ajax/videos/set_levels',{'levels':post_levels})}function validate_email(field,alerttxt){with(field){apos=value.indexOf("@");dotpos=value.lastIndexOf(".");if(apos<1||dotpos-apos<2){alert(alerttxt);field.focus();return false}else{return true}}}function validate_hola(){if(document.getElementById('hola')){if(document.getElementById('hola').value=="hola"){return true}else{alert("Please type: hola");document.getElementById('hola').focus();return false}}else{return true}}function validate_form(){if(validate_email(document.getElementById('form-email'),"Not a valid e-mail address!")&&validate_hola()){return true}else{return false}}function validate_comment(){if(validate_email(document.getElementById('new_comment_email'),"Not a valid e-mail address!")&&validate_hola()){return true}else{return false}}