addEvent(window, "load", sortables_init);
//addEvent(window, "load", alternatingTables_init);
var SORT_COLUMN_INDEX;
var sortIconRow;
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) {
		for ( var i=0; i<table.rows.length; i++)
		{
			//determine sort row
			if (((' '+table.rows[i].className+' ').indexOf("sortRow") != -1)) // if classname contains "sortRow"
			{
				var firstRow = table.rows[i];
				sortIconRow = i;
				break;
			}
		}
        
    }
	var tfootRowLength=0;
	if(table.getElementsByTagName('tfoot')[0])
	{
		tfootRowLength = thisTbl.getElementsByTagName('tfoot')[0].rows.length;
	}
    if (!firstRow || (table.rows.length <= (sortIconRow+1+tfootRowLength))) return; // return if the sortIconRow could not be determined or if table is empty
    
    // 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 = txt+'<a class="sortingLink" href="javascript:void(-1);" onclick="ts_resortTable(this);return false;"><span class="sortarrow"><img src="neutral/layout/iconSortNone.gif" alt=""></span></a>';
    }
}
function determineSortIconRow (tableObject)
{
	for ( var i=0; i<tableObject.rows.length; i++)
	{
		//determine sort row
		if (((' '+tableObject.rows[i].className+' ').indexOf("sortRow") != -1)) // if classname contains "sortRow"
		{
			return i;
			break;
		}	
	}
}
// gets the inner text of an element
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(linkObject) {
    // get the span of the clicked column sort link
    var span;
    for (var ci=0;ci<linkObject.childNodes.length;ci++) {
        if (linkObject.childNodes[ci].tagName && linkObject.childNodes[ci].tagName.toLowerCase() == 'span')
		{
			span = linkObject.childNodes[ci];
			break;
		}
    }
    var spantext = ts_getInnerText(span);
    var td = linkObject.parentNode;
    var column = td.cellIndex;
    var tableElement = getParent(td,'TABLE');
	// get the index of the sortIconRow
	sortIconRow = determineSortIconRow(tableElement);
    
    // Work out a type for the column
	
	
    if (tableElement.rows.length <= 1) return; 
	var itm = ts_getInnerText(tableElement.rows[sortIconRow+1].cells[column]);
	sortFunction = ts_sort_caseinsensitive; // the sortfunction depends on the type of the contents (numeric, date, alpanumeric). A whole function will be assigned to this variable.
    if (itm.match(/^[\d\.]+$/)) sortFunction = ts_sort_numeric;
	/* mbo 03.07.08 "." entfernt damit auch Zahlen ohne Punkt numerisch sortiert werden */		
    if (itm.match(/^[\d]+$/)) sortFunction = ts_sort_numeric;	
    if (itm.match(/^\d\d[\/\.\-]\d\d[\/\.\-]\d\d\d\d$/)) sortFunction = ts_sort_date;
    if (itm.match(/^\d\d[\/.-]\d\d[\/.-]\d\d$/)) sortFunction = ts_sort_date;
    if (itm.match(/^[$]/)) sortFunction = ts_sort_currency;
	if (itm.match(/[%]/)) sortFunction = ts_sort_percent;
    SORT_COLUMN_INDEX = column;
    var firstRow = new Array();
    var newRows = new Array();
    for (i=0;i<tableElement.rows[0].length;i++) { firstRow[i] = tableElement.rows[0][i]; }
    for (j=(sortIconRow+1);j<tableElement.rows.length;j++) 
	{
		if ( (' ' + tableElement.rows[j].className + ' ').indexOf('noSorting') == -1) //add only then to the array if it is not the footer row
		{
			newRows[j-sortIconRow-1] = tableElement.rows[j];
		} 
	}
	
/**
	for (i=0; i<newRows.length; i++)
	{
		alert(ts_getInnerText(newRows[i].cells[SORT_COLUMN_INDEX]));
	}
**/
    newRows.sort(sortFunction);
    if (span.getAttribute("sortdir") == 'down') {
        ARROW = '<img src="neutral/layout/iconSortDown.gif" alt="">';
        newRows.reverse();
        span.setAttribute('sortdir','up');
    } else {
        ARROW = '<img src="neutral/layout/iconSortUp.gif" alt="">';
        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 noSorting rows
    for (i=0;i<newRows.length;i++) { if (!newRows[i].className || (newRows[i].className && (newRows[i].className.indexOf('noSorting') == -1)))	tableElement.tBodies[0].appendChild(newRows[i]);}
    // do noSorting rows only
    for (i=0;i<newRows.length;i++) { if (newRows[i].className && (newRows[i].className.indexOf('noSorting') != -1)) tableElement.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(linkObject,"table")) { // in the same table as us?
                allspans[ci].innerHTML = '<img src="neutral/layout/iconSortNone.gif" alt="">';
            }
        }
    }
        
    span.innerHTML = ARROW;
	
	// if the className of the table contains 'alternatingRows' delete all 'brightRow' and 'darkRow' from the className of the <tr>s
	if ((' '+tableElement.className+' ').indexOf("alternatingRows") != -1) 
	{
		for (var t=0; t<tableElement.rows.length; t++)
		{
			if(((' '+tableElement.rows[t].className+' ').indexOf((/\bbrightRow\b/gi).exec('brightRow') != -1)) || ((' '+tableElement.rows[t].className+' ').indexOf((/\bdarkRow\b/gi).exec('darkRow') != -1)))
			{
				tableElement.rows[t].className = (' '+tableElement.rows[t].className+' ').replace(/\bbrightRow\b/gi,'');
				tableElement.rows[t].className = (' '+tableElement.rows[t].className+' ').replace(/\bdarkRow\b/gi,'');
			}
		}
		// recolor the table
		setAlternatingRows(tableElement);
	}
	
/* mbo 03.07.08 stellt die alternierenden Zeilen wieder her. */	
	alternate();
/* mbo 03.07.08 Hoverfunktion für den IE */		
	var ua = navigator.userAgent;
	if(ua.indexOf("MSIE") >=0) {
		watchMouse();
	}
}
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_percent(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");
  }
}

/* mbo 03.07.08 stellt die alternierenden Zeilen wieder her. */
function alternate(){
	if (!document.getElementsByTagName) return;
    trs = document.getElementsByTagName("tr");
	for (ti=0;ti<trs.length;ti++) {
		thisTr = trs[ti];
		if(ti % 2){
				$(trs[ti]).addClass("highlighted");
			}else{
				$(trs[ti]).removeClass("highlighted");	
				}
        }
}