function addEvent(elm, evType, fn, useCapture)
{
  if (elm.addEventListener)
  {
    elm.addEventListener(evType, fn, useCapture);
    return true;
  } 
  else if (elm.attachEvent)
  {
    var r = elm.attachEvent("on"+evType, fn);
    return r;
  }
}

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);
      makeStripe(thisTbl);
    }
  }
}

function makeStripe(thisTbl)
{
  if (!thisTbl.getElementsByTagName)
    return;

  rows = thisTbl.getElementsByTagName("tr");

  for(var i=0; i<rows.length; i++)
    rows[i].className = ((i%2)==0 ? "odd" : "even");
}

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];
    if(cell.className.indexOf("unsort")==-1)
    {   
      var txt = ts_getInnerText(cell);
      cell.innerHTML = '<a href="#" class="sortheader" onclick="ts_resortTable(this);return false;">'+txt+'<span class="sortarrow"></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) {
  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\.-]+$/))
    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')
  {
    newRows.reverse();
    span.setAttribute('sortdir','up');
  }
  else
    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]);

  makeStripe(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_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;
}

var shown = false;
function showdesc(idt) {
if (document.getElementById) {
if (document.getElementById("mem"+idt)) {
document.getElementById("mem"+idt).style.display = document.getElementById("mem"+idt).style.display == 'block' ? 'none' : 'block';
return false;
}
}
}


function printpage() {
window.print();
}

function maps(ip) {
wnd=window.open('map.php?ip='+ip,'calendar_'+ip,'width=700,height=600,top='+(screen.height/3)+', left='+(screen.width/3)+', scrollbars=no,resizable=no,status=no,toolbar=no,menubar=no')
}