addEvent(window, "load", sortables_init);

var SORT_COLUMN_INDEX;
var sPath = window.location.pathname;
//var sPage = sPath.substring(sPath.lastIndexOf('\\') + 1);
var sPage = sPath.substring(sPath.lastIndexOf('/') + 1);

function show_hide_column(col_no, do_show) {

    var stl;
    if (do_show) stl = 'block'
    else         stl = 'none';

    var tbl  = document.getElementById('t1');
    var rows = tbl.getElementsByTagName('tr');

    for (var row=0; row<rows.length;row++) {
      var cels = rows[row].getElementsByTagName('td')
      cels[col_no].style.display=stl;
    }
  }
function sortables_init() {
    // Find all tables with class sortable and make them sortable
	/*if (sPage == "room_map_chart.html"){
    show_hide_column(4, false);
	}else{
		show_hide_column(5, false);
		}
		*/
    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);
			alernateRowColor();
			initialHilite();
        }
    }
}

function ts_makeSortable(table) {
    if (table.rows && table.rows.length > 0) {
        var firstRow = table.rows[1];
    }
    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="sortLink" 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 hasClass(obj) {
     var result = false;
     if (obj.getAttributeNode("class") != null) {
         result = obj.getAttributeNode("class").value;
     }
     return result;
  }   

function resetHilite(id) {
    // if no such table exists, abort
	//alert("in resethilite");
    var table = document.getElementById(id);
    if (! table) { return; }
    var tbodies = table.getElementsByTagName("tbody");
    for (var h = 0; h < tbodies.length; h++) {
      var trs = tbodies[h].getElementsByTagName("tr");
      for (var i = 0; i < trs.length; i++) {
          var tds = trs[i].getElementsByTagName("td");
          for (var j = 0; j < tds.length; j++) {
            var mytd = tds[j];
            if (hasClass(mytd)=="dataHeaderHilite") {
              mytd.className="dataHeaderpopup";
            }
			else if (hasClass(mytd)=="dataRow1Hilite"){
				 mytd.className="dataRow1popup"
				}
             else if (hasClass(mytd)=="dataRow1Hilite"){
				 mytd.className="dataRow1popup"
				}
        }
      }
    }
  }
function hilite(linkcell) {
	  resetHilite("t1");
	  //alert("in hilite");
      var td = linkcell.parentNode;
	  var column = td.cellIndex;
	  var table = document.getElementById("t1");
	  var tbodies = table.getElementsByTagName("tbody");
	  //var tableRows = document.getElementsByTagName("tr");
      //var tableCells = document.getElementsByTagName("td");
	 for (var h = 0; h < tbodies.length; h++) {
      var trs = tbodies[h].getElementsByTagName("tr");
      for (var i = 0; i < trs.length; i++) {
          var tds = trs[i].getElementsByTagName("td");
		  //var hidethis = trs[i].getElementsById("hide");

          for (var j = 0; j < tds.length; j++) {
            var mytd = tds[column];
		//table.rows[0].cells[column].className = "dataHeaderHilite";
		//table.rows[j].cells[column].className = "dataRow1Hilite";
		//table.rows[j+1].cells[column].className = "dataRow2Hilite";
		if (hasClass(mytd)=="dataHeaderpopup") {
              mytd.className="dataHeaderHilite";
            }
			else if (hasClass(mytd)=="dataRow1popup"){
				 mytd.className="dataRow1Hilite"
				}
             else if (hasClass(mytd)=="dataRow2popup"){
				 mytd.className="dataRow1Hilite"
				}
	    }
	  }
	 }
}

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 tdid = td.id;

    var column = td.cellIndex;
    var table = getParent(td,'TABLE');
    // Work out a type for the column
    if (table.rows.length <= 1) return;
    var headerTxt = ts_getInnerText(table.rows[1].cells[column]);
	var itmtwo = ts_getInnerText(table.rows[2].cells[column]);
	sortfn = ts_sort_numeric;
	var itm = ts_getInnerText(table.rows[2].cells[column]);
	if (itm == "LL"){
	itm = "0";
	}
	if (tdid == "rs"){
		column = 3;
	} else if (tdid == "ch"){
		sortfn=ts_sort_height;
	
	} else if (itm.match(/^[\d\,]/)) {
		//sortfn = ts_sort_numeric; 
	} else if (itm.match(/[a-zA-Z]/)) {
		sortfn = ts_sort_default;
	}
	
	
	
    //alert ("sorting by column: "+ column);
	
	

    //if (itm.match(/-/m)) 
	//alert(sortfn);
    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-2] = table.rows[j];}
	//document.getElementById('t1').cells.style.className="dataHeaderHilite";
    //itm.className="dataHeaderHilite";
	newRows.sort(sortfn);

    if (span.getAttribute("sortdir") == 'down') {
        ARROW = '';
        newRows.reverse();
        span.setAttribute('sortdir','up');
		for (i=0;i<table.rows[0].length;i++){
	alert(table.rows[t]);
	
	}
		/*document.getElementById("col1").className="dataHeaderHilite";
		td.className="dataHeaderHilite";*/
    } else {
        ARROW = '';
        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 = '';
				//document.getElementsByTagName('td').className="dataHeaderHilite";
            }
        }
    }
        
    span.innerHTML = ARROW;
	alernateRowColor();
	hilite(lnk);
}


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 = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).replace(/,/g,'');
    if (isNaN(aa)) aa = 0;
    bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).replace(/,/g,''); 
    if (isNaN(bb)) bb = 0;
	
	return parseInt(aa) - parseInt(bb);
}
function ts_sort_numericInt(a,b) { 
   
		//alert ("in numeric int");
		
    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_height(a,b) {
 //FIXME does not work for meters\
 //var displayUnit = "M";

 //alert(ts_getInnerText(a.cells[SORT_COLUMN_INDEX]) + ": " +aa);
 if (displayUnit == "M")
 {
  aa = parseFloat(ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).match(/[0-9]+\.[0-9]+/gm)[1],10);
  bb = parseFloat(ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).match(/[0-9]+\.[0-9]+/gm)[1],10);
 }
 else
 {
  aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).match(/[0-9]+'([0-9]+")?/gm)[1];
  bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).match(/[0-9]+'([0-9]+")?/gm)[1];
  aa = feetToInches(aa);
  bb = feetToInches(bb);
 }
    if (aa==bb) return 0;
    if (aa<bb) return -1;
    return 1;
}




// Takes a String x of the form 4' or 4'3" and returns number of inches.
function feetToInches(x) {
	pieces = x.match(/[0-9]+/g);
	tempLength = parseInt(pieces[0]) * 12;
	
	if (pieces.length > 1)
	{
		tempLength += parseInt(pieces[1]);
	}

	return tempLength;
	
}


/*
function ts_sort_numeric(a,b) { 
    
	//alert("in numeric sort");
    aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).replace(/,/g,'');
    if (isNaN(aa)) aa = 0;
    bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).replace(/,/g,''); 
    if (isNaN(bb)) bb = 0;
	return parseFloat(aa) - parseFloat(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) {
//alert("in ts_sort_default");
    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)
// cross-browser event handling for IE5+,  NS6 and Mozilla

{
  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 alernateRowColor(){

		var table = document.getElementById("t1");
		var rows = table.getElementsByTagName("tr") ;
		var counter = 0;
		//var trs = tbodies[h].getElementsByTagName("tr");
         for (var i = 2; i < rows.length; i++) {
		  counter++; 
          var tds = rows[i].getElementsByTagName("td");
			
			for (var j = 0; j < tds.length; j++) {
			var column =tds.cellIndex;
			var mytd = tds[0];
			var othertd = tds[j];
			if (counter % 2 == 1) {
			mytd.className ="dataRow1popupC1";
			othertd.className ="dataRow1popup";
			}else{
			mytd.className ="dataRow2popupC1";
			othertd.className ="dataRow2popup";
			}
			}
		 }
}
		
/*
function alernateRowColor(){
	
		var table = document.getElementById("t1");
		var rows = table.getElementsByTagName("tr") ;
		var counter = 0;
		//var trs = tbodies[h].getElementsByTagName("tr");
         for (var i = 2; i < rows.length; i++) {
		  
          var tds = rows[i].getElementsByTagName("td");
			counter++; 
			for (var j = 0; j < tds.length; j++) {
			var tdone =tds[j];
				if (counter % 2 == 1) 
				  tdone.className = "dataRow1popup";
				else
				  tdone.className = "dataRow2popup";
				if (counter % 2 == 1) 
				  tdone.className = "dataRow1popupC1";
			   else
				  tdone.className = "dataRow2popupC1";
 
				}
			
			}
}
*/
function initialHilite(){
	
		var table = document.getElementById("t1");
		var rows = table.getElementsByTagName("tr") ;
	    
         for (var i = 2; i < rows.length; i++) {
			
          var tds = rows[i].getElementsByTagName("td");
		     
			for (var j = 0; j < tds.length; j++) {
			 //var roomsizeHilite = document.getElementById("roomsize");
				//  roomsizeHilite[j].className = "dataRow1Hilite";
				 if (sPage == "room_map_chart.html" || sPage == "floor_map_chart.html"){
				//tds[0][1].className = "dataHeaderHilite";
				tds[1].className = "dataRow1Hilite";
			 }else {
              tds[2].className = "dataRow1Hilite";
			  //tds[i][3].className = "dataHeaderHilite";
			 }
			  
				}
			
			}
}