/**
 *  @author https://codepen.io/bookmarklets
 *  @file Makes tables on any page sortable.<br><i class="gray">Will add arrows at the top of all tables to sort by ascending or descending</i>
 *  Original Source {@link https://cdpn.io/bookmarklets/fullpage/NobJbq#}
 */

javascript:function toArray (c){
	var a, k;a=new Array;for (k=0; 
	k<c.length; ++k)a[k]=c[k];
	return a;
	}
	function insAtTop(par,child){
	if(par.childNodes.length) par.insertBefore(child, par.childNodes[0]);
	else par.appendChild(child);}
	function countCols(tab){
	var nCols, i;nCols=0;
	for(i=0;i<tab.rows.length;++i)if(tab.rows[i].cells.length>nCols)nCols=tab.rows[i].cells.length;
	return nCols;
	}
	function makeHeaderLink(tableNo, colNo, ord){var link;
	link=document.createElement('a');
	link.href='javascript:sortTable('+tableNo+','+colNo+','+ord+');';
	link.appendChild(document.createTextNode((ord>0)?'↑':'↓ '));
	return link;
	}function makeHeader(tableNo,nCols){var header, headerCell, i;
	header=document.createElement('tr');for(i=0;i<nCols;++i){headerCell=document.createElement('td');
	headerCell.appendChild(makeHeaderLink(tableNo,i,1));
	headerCell.appendChild(document.createTextNode('/'));
	headerCell.appendChild(makeHeaderLink(tableNo,i,-1));
	header.appendChild(headerCell);}return header;
	}g_tables=toArray(document.getElementsByTagName('table'));
	if(!g_tables.length) alert("This page doesn't contain any tables.");
	(function(){var j, thead;for(j=0;j<g_tables.length;++j){
	thead=g_tables[j].createTHead();
	insAtTop(thead, makeHeader(j,countCols(g_tables[j])))}}) ();
	function compareRows(a,b){if(a.sortKey==b.sortKey)return 0;
	return (a.sortKey < b.sortKey) ? g_order : -g_order;
	}
	function sortTable(tableNo, colNo, ord){var table, rows, nR, bs, i, j, temp;g_order=ord;g_colNo=colNo;
	table=g_tables[tableNo];rows=new Array();
	nR=0;bs=table.tBodies;
	for(i=0; i<bs.length; ++i)for(j=0; j<bs[i].rows.length; ++j){rows[nR]=bs[i].rows[j];
	temp=rows[nR].cells[g_colNo];if(temp) rows[nR].sortKey=temp.innerHTML;else rows[nR].sortKey="";;
	++nR;}rows.sort(compareRows);
	for (i=0; i < rows.length; ++i)insAtTop(table.tBodies[0], rows[i]);
	}