https://www.janko.at/Mathespass/Sorttable.js

1var stIsIE=!1;
2sorttable={init:function(){arguments.callee.done||(arguments.callee.done=!0,_timer&&clearInterval(_timer),document.createElement&&document.getElementsByTagName&&(sorttable.DATE_RE=/^(\d\d?)[\/\.-](\d\d?)[\/\.-]((\d\d)?\d\d)$/,forEach(document.getElementsByTagName("table"),function(a){-1!=a.className.search(/\bsortable\b/)&&sorttable.makeSortable(a)})))},makeSortable:function(a){0==a.getElementsByTagName("thead").length&&(the=document.createElement("thead"),the.appendChild(a.rows[0]),a.insertBefore(the,
3a.firstChild));null==a.tHead&&(a.tHead=a.getElementsByTagName("thead")[0]);if(1==a.tHead.rows.length){sortbottomrows=[];for(var b=0;b<a.rows.length;b++)-1!=a.rows[b].className.search(/\bsortbottom\b/)&&(sortbottomrows[sortbottomrows.length]=a.rows[b]);if(sortbottomrows){null==a.tFoot&&(tfo=document.createElement("tfoot"),a.appendChild(tfo));for(b=0;b<sortbottomrows.length;b++)tfo.appendChild(sortbottomrows[b]);delete sortbottomrows}headrow=a.tHead.rows[0].cells;for(b=0;b<headrow.length;b++)headrow[b].className.match(/\bsorttable_nosort\b/)||
4((mtch=headrow[b].className.match(/\bsorttable_([a-z0-9]+)\b/))&&(override=mtch[1]),headrow[b].sorttable_sortfunction=mtch&&"function"==typeof sorttable["sort_"+override]?sorttable["sort_"+override]:sorttable.guessType(a,b),headrow[b].sorttable_columnindex=b,headrow[b].sorttable_tbody=a.tBodies[0],dean_addEvent(headrow[b],"click",function(a){if(-1!=this.className.search(/\bsorttable_sorted\b/))sorttable.reverse(this.sorttable_tbody),this.className=this.className.replace("sorttable_sorted","sorttable_sorted_reverse"),
5this.removeChild(document.getElementById("sorttable_sortfwdind")),sortrevind=document.createElement("span"),sortrevind.id="sorttable_sortrevind",sortrevind.innerHTML=stIsIE?'&nbsp<font face="webdings">5</font>':"&nbsp;&#x25B4;",this.appendChild(sortrevind);else if(-1!=this.className.search(/\bsorttable_sorted_reverse\b/))sorttable.reverse(this.sorttable_tbody),this.className=this.className.replace("sorttable_sorted_reverse","sorttable_sorted"),this.removeChild(document.getElementById("sorttable_sortrevind")),
6sortfwdind=document.createElement("span"),sortfwdind.id="sorttable_sortfwdind",sortfwdind.innerHTML=stIsIE?'&nbsp<font face="webdings">6</font>':"&nbsp;&#x25BE;",this.appendChild(sortfwdind);else{theadrow=this.parentNode;forEach(theadrow.childNodes,function(a){1==a.nodeType&&(a.className=a.className.replace("sorttable_sorted_reverse",""),a.className=a.className.replace("sorttable_sorted",""))});(sortfwdind=document.getElementById("sorttable_sortfwdind"))&&sortfwdind.parentNode.removeChild(sortfwdind);
7(sortrevind=document.getElementById("sorttable_sortrevind"))&&sortrevind.parentNode.removeChild(sortrevind);this.className+=" sorttable_sorted";sortfwdind=document.createElement("span");sortfwdind.id="sorttable_sortfwdind";sortfwdind.innerHTML=stIsIE?'&nbsp<font face="webdings">6</font>':"&nbsp;&#x25BE;";this.appendChild(sortfwdind);row_array=[];col=this.sorttable_columnindex;rows=this.sorttable_tbody.rows;for(a=0;a<rows.length;a++)row_array[row_array.length]=[sorttable.getInnerText(rows[a].cells[col]),
8rows[a]];row_array.sort(this.sorttable_sortfunction);tb=this.sorttable_tbody;for(a=0;a<row_array.length;a++)tb.appendChild(row_array[a][1]);delete row_array}}))}},guessType:function(a,b){sortfn=sorttable.sort_alpha;for(var c=0;c<a.tBodies[0].rows.length;c++)if(text=sorttable.getInnerText(a.tBodies[0].rows[c].cells[b]),""!=text){if(text.match(/^-?[\u00a3$\u00a4]?[\d,.]+%?$/))return sorttable.sort_numeric;if(possdate=text.match(sorttable.DATE_RE)){first=parseInt(possdate[1]);second=parseInt(possdate[2]);
9if(12<first)return sorttable.sort_ddmm;if(12<second)return sorttable.sort_mmdd;sortfn=sorttable.sort_ddmm}}return sortfn},getInnerText:function(a){hasInputs="function"==typeof a.getElementsByTagName&&a.getElementsByTagName("input").length;if(null!=a.getAttribute("sorttable_customkey"))return a.getAttribute("sorttable_customkey");if("undefined"!=typeof a.textContent&&!hasInputs)return a.textContent.replace(/^\s+|\s+$/g,"");if("undefined"!=typeof a.innerText&&!hasInputs)return a.innerText.replace(/^\s+|\s+$/g,
10"");if("undefined"!=typeof a.text&&!hasInputs)return a.text.replace(/^\s+|\s+$/g,"");switch(a.nodeType){case 3:if("input"==a.nodeName.toLowerCase())return a.value.replace(/^\s+|\s+$/g,"");case 4:return a.nodeValue.replace(/^\s+|\s+$/g,"");case 1:case 11:for(var b="",c=0;c<a.childNodes.length;c++)b+=sorttable.getInnerText(a.childNodes[c]);return b.replace(/^\s+|\s+$/g,"");default:return""}},reverse:function(a){newrows=[];for(var b=0;b<a.rows.length;b++)newrows[newrows.length]=a.rows[b];for(b=newrows.length-
111;0<=b;b--)a.appendChild(newrows[b]);delete newrows}

11,sort_numeric:function(a,b){aa=parseFloat(a[0].replace(/[^0-9.-]/g,""));isNaN(aa)&&(aa=0);bb=parseFloat(b[0].replace(/[^0-9.-]/g,""));isNaN(bb)&&(bb=0);return aa-bb},sort_alpha:function(a,b){return a[0]==b[0]?0:a[0]<b[0]?-1:1},sort_ddmm:function(a,b){mtch=a[0].match(sorttable.DATE_RE);y=mtch[3];m=mtch[2];d=mtch[1];1==m.length&&(m="0"+m);1==d.length&&(d="0"+d);dt1=y+m+d;mtch=b[0].match(sorttable.DATE_RE);y=mtch[3];m=mtch[2];d=mtch[1];1==m.length&&
12(m="0"+m);1==d.length&&(d="0"+d);dt2=y+m+d;return dt1==dt2?0:dt1<dt2?-1:1},sort_mmdd:function(a,b){mtch=a[0].match(sorttable.DATE_RE);y=mtch[3];d=mtch[2];m=mtch[1];1==m.length&&(m="0"+m);1==d.length&&(d="0"+d);dt1=y+m+d;mtch=b[0].match(sorttable.DATE_RE);y=mtch[3];d=mtch[2];m=mtch[1];1==m.length&&(m="0"+m);1==d.length&&(d="0"+d);dt2=y+m+d;return dt1==dt2?0:dt1<dt2?-1:1},shaker_sort:function(a,b){for(var c=0,e=a.length-1,g=!0;g;){for(var g=!1,f=c;f<e;++f)0<b(a[f],a[f+1])&&(g=a[f],a[f]=a[f+1],a[f+1]=
13g,g=!0);e--;if(!g)break;for(f=e;f>c;--f)0>b(a[f],a[f-1])&&(g=a[f],a[f]=a[f-1],a[f-1]=g,g=!0);c++}}};document.addEventListener&&document.addEventListener("DOMContentLoaded",sorttable.init,!1);if(/WebKit/i.test(navigator.userAgent))var _timer=setInterval(function(){/loaded|complete/.test(document.readyState)&&sorttable.init()},10);window.onload=sorttable.init;
14function dean_addEvent(a,b,c){if(a.addEventListener)a.addEventListener(b,c,!1);else{c.$$guid||(c.$$guid=dean_addEvent.guid++);a.events||(a.events={});var e=a.events[b];e||(e=a.events[b]={},a["on"+b]&&(e[0]=a["on"+b]));e[c.$$guid]=c;a["on"+b]=handleEvent}}dean_addEvent.guid=1;function removeEvent(a,b,c){a.removeEventListener?a.removeEventListener(b,c,!1):a.events&&a.events[b]&&delete a.events[b][c.$$guid]}
15function handleEvent(a){var b=!0;a=a||fixEvent(((this.ownerDocument||this.document||this).parentWindow||window).event);var c=this.events[a.type],e;for(e in c)this.$$handleEvent=c[e],!1===this.$$handleEvent(a)&&(b=!1);return b}function fixEvent(a){a.preventDefault=fixEvent.preventDefault;a.stopPropagation=fixEvent.stopPropagation;return a}fixEvent.preventDefault=function(){this.returnValue=!1};fixEvent.stopPropagation=function(){this.cancelBubble=!0};
16Array.forEach||(Array.forEach=function(a,b,c){for(var e=0;e<a.length;e++)b.call(c,a[e],e,a)});Function.prototype.forEach=function(a,b,c){for(var e in a)"undefined"==typeof this.prototype[e]&&b.call(c,a[e],e,a)};String.forEach=function(a,b,c){Array.forEach(a.split(""),function(e,g){b.call(c,e,g,a)})};
17var forEach=function(a,b,c){if(a){var e=Object;if(a instanceof Function)e=Function;else{if(a.forEach instanceof Function){a.forEach(b,c);return}"string"==typeof a?e=String:"number"==typeof a.length&&(e=Array)}e.forEach(a,b,c)}};