/* Don't change anything below this unless you know what you're doing */
addEvent(window, "load", sortables_init);
var SORT_COLUMN_INDEX;
function sortables_init() {// Find all tables with class sortable and make them sortable
  if (!document.getElementsByTagName) return; tbls = document.getElementsByTagName("table"); for (ti=0;ti<tbls.length;ti++) {  thisTbl = tbls[ti];   if (((' '+thisTbl.className+' ').indexOf("sortable") != -1) && (thisTbl.id)) {    ts_makeSortable(thisTbl);   }
  }}
function ts_makeSortable(table) {if (table.rows && table.rows.length > 0) {  var firstRow = table.rows[0]; }
  if (!firstRow) return;
  // We have a first row: assume it's the header, and make its contents clickable links
  for (var i=0;i<firstRow.cells.length;i++) {  var cell = firstRow.cells[i];   var txt = ts_getInnerText(cell);   if (cell.className != "unsortable" && cell.className.indexOf("unsortable") == -1) {    cell.innerHTML = '<a href="#" class="sortheader" onclick="ts_resortTable(this);return false;">'+txt+'<span class="sortarrow">  </a>';   }
  }
  alternate(table);}
function ts_getInnerText(el) {if (typeof el == "string") return el; if (typeof el == "undefined") { return el }; if (el.innerText) return el.innerText;  //Not needed but it is faster
  var str = ""; var cs = el.childNodes; var l = cs.length; for (var i = 0; i < l; i++) {  switch (cs[i].nodeType) {    case 1: // element_node
        str += ts_getInnerText(cs[i]);       break;     case 3: // text_node
        str += cs[i].nodeValue;       break;   }
  }
  return str;}
function ts_resortTable(lnk) {// get the span
  var span; for (var ci=0;ci<lnk.childNodes.length;ci++) {  if (lnk.childNodes[ci].tagName && lnk.childNodes[ci].tagName.toLowerCase() == 'span') span = lnk.childNodes[ci]; }
  var spantext = ts_getInnerText(span); var td = lnk.parentNode; var column = td.cellIndex; var table = getParent(td,'TABLE');
  // Work out a type for the column
  if (table.rows.length <= 1) return; var itm = ts_getInnerText(table.rows[1].cells[column]); sortfn = ts_sort_caseinsensitive; if (itm.match(/^\d\d[\/-]\d\d[\/-]\d\d\d\d$/)) sortfn = ts_sort_date; if (itm.match(/^\d\d[\/-]\d\d[\/-]\d\d$/)) sortfn = ts_sort_date; if (itm.match(/^[£$€]/)) sortfn = ts_sort_currency; if (itm.match(/^[\d\.]+$/)) sortfn = ts_sort_numeric; SORT_COLUMN_INDEX = column; var firstRow = new Array(); var newRows = new Array(); for (i=0;i<table.rows[0].length;i++) {  firstRow[i] = table.rows[0][i]; }
  for (j=1;j<table.rows.length;j++) {  newRows[j-1] = table.rows[j]; }
  newRows.sort(sortfn);
				if (span.getAttribute("sortdir") == 'down') {
					ARROW = '&nbsp;&nbsp;&uarr;';
					newRows.reverse();
					span.setAttribute('sortdir','up');
				} else {
					ARROW = '&nbsp;&nbsp;&darr;';
					span.setAttribute('sortdir','down');	}
  // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
  // don't do sortbottom rows
  for (i=0; i<newRows.length; i++) {  if (!newRows[i].className || (newRows[i].className && (newRows[i].className.indexOf('sortbottom') == -1))) {    table.tBodies[0].appendChild(newRows[i]);   }
  }
  // do sortbottom rows only
  for (i=0; i<newRows.length; i++) {  if (newRows[i].className && (newRows[i].className.indexOf('sortbottom') != -1))
      table.tBodies[0].appendChild(newRows[i]); }
  // Delete any other arrows there may be showing
  var allspans = document.getElementsByTagName("span"); for (var ci=0;ci<allspans.length;ci++) {  if (allspans[ci].className == 'sortarrow') {    if (getParent(allspans[ci],"table") == getParent(lnk,"table")) { // in the same table as us?
        allspans[ci].innerHTML = '  ';     }
    }
  }
  span.innerHTML = ARROW; alternate(table);}
function getParent(el, pTagName) {if (el == null) {  return null; } else if (el.nodeType == 1 && el.tagName.toLowerCase() == pTagName.toLowerCase()) {    // Gecko bug, supposed to be uppercase
    return el; } else {  return getParent(el.parentNode, pTagName); }}
function ts_sort_date(a,b) {aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]); bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]); if (aa.length == 10) {  dt1 = aa.substr(6,4)+aa.substr(3,2)+aa.substr(0,2); } else {  yr = aa.substr(6,2);   if (parseInt(yr) < 50) {    yr = '20'+yr;   } else {    yr = '19'+yr;   }
    dt1 = yr+aa.substr(3,2)+aa.substr(0,2); }
  if (bb.length == 10) {  dt2 = bb.substr(6,4)+bb.substr(3,2)+bb.substr(0,2); } else {  yr = bb.substr(6,2);   if (parseInt(yr) < 50) {    yr = '20'+yr;   } else {    yr = '19'+yr;   }
    dt2 = yr+bb.substr(3,2)+bb.substr(0,2); }
  if (dt1==dt2) {  return 0; }
  if (dt1<dt2) {  return -1; }
  return 1;}
function ts_sort_currency(a,b) {aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).replace(/[^0-9.]/g,''); bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).replace(/[^0-9.]/g,''); return parseFloat(aa) - parseFloat(bb);}
function ts_sort_numeric(a,b) {aa = parseFloat(ts_getInnerText(a.cells[SORT_COLUMN_INDEX])); if (isNaN(aa)) {  aa = 0; }
  bb = parseFloat(ts_getInnerText(b.cells[SORT_COLUMN_INDEX])); if (isNaN(bb)) {  bb = 0; }
  return aa-bb;}
function ts_sort_caseinsensitive(a,b) {aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).toLowerCase(); bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).toLowerCase(); if (aa==bb) {  return 0; }
  if (aa<bb) {  return -1; }
  return 1;}
function ts_sort_default(a,b) {aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]); bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]); if (aa==bb) {  return 0; }
  if (aa<bb) {  return -1; }
  return 1;}
function addEvent(elm, evType, fn, useCapture) {
// addEvent and removeEvent
// cross-browser event handling for IE5+, NS6 and Mozilla
// By Scott Andrew
  if (elm.addEventListener){  elm.addEventListener(evType, fn, useCapture);   return true; } else if (elm.attachEvent){  var r = elm.attachEvent("on"+evType, fn);   return r; } else {  alert("Handler could not be removed"); }}
function replace(s, t, u) {/*
  **  Replace a token in a string
  **    s  string to be processed
  **    t  token to be found and removed
  **    u  token to be inserted
  **  returns new String
  */
  i = s.indexOf(t); r = ""; if (i == -1) return s; r += s.substring(0,i) + u; if ( i + t.length < s.length)
    r += replace(s.substring(i + t.length, s.length), t, u); return r;}
function alternate(table) {// Take object table and get all it's tbodies.
  var tableBodies = table.getElementsByTagName("tbody"); // Loop through these tbodies
  for (var i = 0; i < tableBodies.length; i++) {  // Take the tbody, and get all it's rows
    var tableRows = tableBodies[i].getElementsByTagName("tr");   // Loop through these rows
    // Start at 1 because we want to leave the heading row untouched
    for (var j = 1; j < tableRows.length; j++) {    // Check if j is even, and apply classes for both possible results
      if ( (j % 2) == 0  ) {      if (tableRows[j].className == 'odd' || !(tableRows[j].className.indexOf('odd') == -1) ) {        tableRows[j].className = replace(tableRows[j].className, 'odd', 'even');       } else {        tableRows[j].className += " even";       }
      } else {      if (tableRows[j].className == 'even' || !(tableRows[j].className.indexOf('even') == -1) ) {        tableRows[j].className = replace(tableRows[j].className, 'even', 'odd');       }
        tableRows[j].className += " odd";     }
    }
  }}