/* http://brothercake.com/site/resources/scripts/domready/
**************************************************************************/

function domFunction(f, a) {
 var n = 0;
 var t = setInterval(function() {
  var c = true;
  n++;
  if(typeof document.getElementsByTagName != 'undefined' && (document.getElementsByTagName('body')[0] != null || document.body != null)) {
   c = false;
   if(typeof a == 'object') {
    for(var i in a) {
     if((a[i] == 'id' && document.getElementById(i) == null) || (a[i] == 'tag' && document.getElementsByTagName(i).length < 1)) { 
      c = true; 
      break; 
     }
    }
   }
   if(!c) { f(); clearInterval(t); }
  }
  if(n >= 60) {
   clearInterval(t);
  }
 }, 250);
};

/* http://kryogenix.org/code/browser/sorttable/
**************************************************************************/

var sci;

function sortTable() {
 if (!document.getElementsByTagName) return;
 tbls = document.getElementsByTagName('table');
 for (ti=0; ti<tbls.length; ti++) {
  thisTbl = tbls[ti];
  st_makeSortable(thisTbl);
 }
}

function st_makeSortable(table) {
 if (table.rows && table.rows.length > 0) {
  var firstRow = table.rows[0];
 }
 if (!firstRow) return;
 for (var i=0; i<firstRow.cells.length; i++) {
  var cell = firstRow.cells[i];
  var txt = st_getInnerText(cell);
  cell.innerHTML = '<a href="" class="sortheader" onclick="st_resortTable(this);return false;">'+txt+'<span class="sortarrow"></span></a>';
 }
}

function st_getInnerText(el) {
 if (typeof el == 'string') return el;
 if (typeof el == 'undefined') return el;
 if (el.innerText) return el.innerText;
 var str = '';
 var cs = el.childNodes;
 var l = cs.length;
 for (var i = 0; i < l; i++) {
  switch (cs[i].nodeType) {
   case 1:
    str += st_getInnerText(cs[i]);
    break;
   case 3:
    str += cs[i].nodeValue;
    break;
  }
 }
 return str;
}

function st_resortTable(lnk) {
 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 = st_getInnerText(span);
 var td = lnk.parentNode;
 var column = td.cellIndex;
 var table = st_getParent(td, 'TABLE');
 if (table.rows.length <= 1) return;
 var notDate = 0;
 var notCurrency = 0;
 var notNumerical = 0;
 for (var itmc=1; itmc<table.rows.length; itmc++) {
  var itm = st_getInnerText(table.rows[itmc].cells[column]);
  if (!(itm.match(/^\d\d[\/-]\d\d[\/-]\d\d\d\d$/) || (itm.match(/^\d\d[\/-]\d\d[\/-]\d\d$/))))
   notDate++;
  if (!(itm.match(/^[?£$]/)))
   notCurrency++;
  if (!(itm.match(/^[\+-]?[\d\.,]+$/)))
   notNumerical++;
 }
    switch (0) {
     case notDate: sortfn = st_sortDate; break;
     case notCurrency: sortfn = st_sortCurrency; break;
     case notNumerical: sortfn = st_sortNumeric; break;
     default: sortfn = st_sortCaseInsensitive;
    }
 sci = 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 = ' &uarr; ';
  newRows.reverse();
  span.setAttribute('sortdir', 'up');
 } else {
  ARROW = ' &darr;';
  span.setAttribute('sortdir', 'down');
 }
 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]); }
 for (i=0; i<newRows.length; i++) { if (newRows[i].className && (newRows[i].className.indexOf('sortbottom') != -1)) table.tBodies[0].appendChild(newRows[i]); }
 var allspans = document.getElementsByTagName('span');
 for (var ci=0; ci<allspans.length; ci++) {
  if (allspans[ci].className == 'sortarrow') {
   if (st_getParent(allspans[ci], 'table') == st_getParent(lnk, 'table')) {
    allspans[ci].innerHTML = '';
   }
  }
 }
 span.innerHTML = ARROW;
 colorTableRows();
}

function st_getParent(el, pTagName) {
 if (el == null) return null;
 else if (el.nodeType == 1 && el.tagName.toLowerCase() == pTagName.toLowerCase())
  return el;
 else
  return st_getParent(el.parentNode, pTagName);
}

function st_sortDate(a, b) {
 aa = st_getInnerText(a.cells[sci]);
 bb = st_getInnerText(b.cells[sci]);
 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 st_sortCurrency(a, b) { 
 aa = st_getInnerText(a.cells[sci]).replace(/[^0-9.]/g, '');
 bb = st_getInnerText(b.cells[sci]).replace(/[^0-9.]/g, '');
 return parseFloat(aa) - parseFloat(bb);
}

function st_sortNumeric(a, b) { 
 aa = parseFloat(st_getInnerText(a.cells[sci]));
 if (isNaN(aa)) aa = 0;
 bb = parseFloat(st_getInnerText(b.cells[sci])); 
 if (isNaN(bb)) bb = 0;
 return aa-bb;
}

function st_sortCaseInsensitive(a, b) {
 aa = st_getInnerText(a.cells[sci]).toLowerCase();
 bb = st_getInnerText(b.cells[sci]).toLowerCase();
 if (aa==bb) return 0;
 if (aa<bb) return -1;
 return 1;
}

function st_sortDefault(a, b) {
 aa = st_getInnerText(a.cells[sci]);
 bb = st_getInnerText(b.cells[sci]);
 if (aa==bb) return 0;
 if (aa<bb) return -1;
 return 1;
}

/* http://ktk.xs4all.nl/stuff/javascript/table-row-alternate/
**************************************************************************/

function colorTableRows() {
 if (document.getElementsByTagName) {
  var tables = document.getElementsByTagName('table');
  for (var i = 0; i < tables.length; i++) {
   var trs = tables[i].getElementsByTagName('tr');
   for (var j = 1; j < trs.length; j++) {
    trs[j].className = (j % 2 == 0 ? '' : 'alternate');
   }
  }
 }
}

/* Load the scripts
**************************************************************************/

var foobar = new domFunction(function() {
 sortTable();
 colorTableRows();
 });