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)) {
      //initTable(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);
    cell.innerHTML = '<a href="#" class="sortheader" ' +
                     'onclick="ts_resortTable(this, ' + i + ');return false;">' +
                     txt + '<span class="sortarrow">&nbsp;&nbsp;&nbsp;</span></a>';
  }
}
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, clid) {
  // 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 = clid || 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 = '&nbsp;&nbsp;&nbsp;';
      }
    }
  }
  span.innerHTML = ARROW;
}
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) {
  // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
  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");
  }
}