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4
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1 'use strict';
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2
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3 function ajax(url,postData,context) {
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4 let request = new XMLHttpRequest();
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5 let method = postData ? 'POST' : 'GET';
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6 request.open( method, url );
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7 if( postData )
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8 request.setRequestHeader( 'Content-Type', 'application/x-www-form-urlencoded' );
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9 request.onload = function() {
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10 if( request.status !== 200 ) {
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11 console.log( 'ajax failed: ' + request.status );
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12 if( request.responseText )
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13 document.write('<pre>'+request.responseText+'</pre>');
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14 return;
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15 }
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16 try {
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17 eval( request.responseText );
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18 } catch(e) {
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19 console.log( request.responseText );
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20 window.err = '\najax-url = ' + url;
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21 throw e;
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22 }
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23 };
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24 request.send(postData);
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25 }
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26
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27 window.onerror = function(msg, url, line, col, error) {
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28 if (!url)
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29 return;
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30 let err = msg;
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31 err += '\nurl = ' + url;
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32 if (url != window.location)
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33 err += '\npage = ' + window.location;
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34 err += '\nline = '+line;
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35 if (col)
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36 err += '\ncolumn = ' + col;
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37 if (error && error.stack)
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38 err += '\nstack = ' + error.stack;
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39 if( window.err ) {
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40 err += window.err;
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41 window.err = null;
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42 }
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43 ajax( '/error_log.js', 'err='+encodeURIComponent(err) );
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44 };
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45
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12
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46
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47 function ajaxForm(url,form) {
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48 let post = '';
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49 for( let i=0; i<form.length; i++ ) {
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50 let input = form[i];
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51 let name = input.name;
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52 if( name === '' )
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53 continue;
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54 let type = input.type;
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55 if( (type==='radio' || type==='checkbox') && !input.checked )
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56 continue;
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57 post += name + '=' + encodeURIComponent(input.value) + '&';
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58 }
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59 ajax(url,post,{form:form});
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60 }
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61
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62 function clearErrors(form) {
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63 let divs = form.querySelectorAll('div[error]');
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64 for( let i=0; i<divs.length; i++ ) {
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65 divs[i].textContent = '';
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66 }
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67 }
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68
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69 function showError(form,field,message) {
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70 clearErrors(form);
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71 let err = form.querySelector('[error="'+field+'"]');
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72 err.textContent = message;
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73 err.scrollIntoViewIfNeeded(false);
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74 err.setAttribute('flash','');
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75 setTimeout(function(){err.removeAttribute('flash')},2000);
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76 let input = form.querySelector('input[name="'+field+'"]');
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77 if(input) input.focus();
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78 }
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79
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80
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9
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81 let currentPulldown = null;
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82 let newPulldown = null;
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83
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84 function clickMenu(clicked,display) {
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85 //console.log("clickMenu");
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86 let pulldown = clicked.parentNode.querySelector('[pulldown_menu]');
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87 if( pulldown !== currentPulldown ) {
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11
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88 pulldown.style.display = display || "flex";
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9
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89 newPulldown = pulldown;
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90 window.onclick = function() {
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91 if( currentPulldown ) {
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92 currentPulldown.style.display = "none";
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93 if( !newPulldown )
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94 window.onclick = null;
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95 }
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96 currentPulldown = newPulldown;
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97 newPulldown = null;
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98 };
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99 pulldown.scrollIntoViewIfNeeded(false);
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100 }
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101 }
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102
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4
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103 function logout() {
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104 document.cookie = 'user=; Max-Age=0; path=/;';
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105 location = '/';
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106 }
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