window.onload = function(){ 
	var isMac = navigator.appVersion.indexOf("Mac") != -1	
	var isIE = navigator.appVersion.indexOf("MSIE") != -1 
	if(!isIE || !isMac)	{
		addSortBehaviour("liste-film");
		
	}
	
}
	
var sort_rollOver = function(){ 
	this.className+=" t_over";
}
var sort_rollOut = function(){
	this.className=this.className.replace(new RegExp("t_over", "gi"), "");  
}

var sort_click = function(){
	 sortTable("liste-film",this._id,true)
}


function addSortBehaviour(id){
	var tblEl = document.getElementById(id); 
	if(tblEl != undefined){		
		var el = tblEl.parentNode.tHead;	
    	rowEl = el.rows[el.rows.length - 1];
  		// 	Set style classes for each column as above.
  		for (i = 0; i < rowEl.cells.length; i++) {
  			rowEl.cells[i]._id = i; 
  			rowEl.cells[i].onmouseover = sort_rollOver;
  			rowEl.cells[i].onmouseout = sort_rollOut;
  			rowEl.cells[i].onclick = sort_click;
  		} 
  		return sortTable('liste-film', 2, true);	
  	}
}
    
//-----------------------------------------------------------------------------
// sortTable(id, col, rev)
//
//  id  - ID of the TABLE, TBODY, THEAD or TFOOT element to be sorted.
//  col - Index of the column to sort, 0 = first column, 1 = second column,
//        etc.
//  rev - If true, the column is sorted in reverse (descending) order
//        initially.
//
// Note: the team name column (index 1) is used as a secondary sort column and
// always sorted in ascending order.
//-----------------------------------------------------------------------------

function sortTable(id, col, rev) {
  var colDate = 2;
  // Get the table or table section to sort.
  var tblEl = document.getElementById(id);

  // The first time this function is called for a given table, set up an
  // array of reverse sort flags.
  if (tblEl.reverseSort == null) {
    tblEl.reverseSort = new Array();
    // Also, assume the team name column is initially sorted.
    tblEl.lastColumn = -1;
  }

  // If this column has not been sorted before, set the initial sort direction.
  if (tblEl.reverseSort[col] == null)
    tblEl.reverseSort[col] = rev;

  // If this column was the last one sorted, reverse its sort direction.
  if (col == tblEl.lastColumn) {
    tblEl.reverseSort[col] = !tblEl.reverseSort[col];
  }


  // Set the table display style to "none" - necessary for Netscape 6 
  // browsers.
  var oldDsply = tblEl.style.display;
  tblEl.style.display = "none";

  // Sort the rows based on the content of the specified column using a
  // selection sort.

  var tmpEl;
  var i, j;
  var minVal, minIdx;
  var testVal;
  var cmp;  
  for (i = 0; i < tblEl.rows.length - 1; i++) {

    // Assume the current row has the minimum value.
    minIdx = i;
    minVal = getTextValue(tblEl.rows[i].cells[col]);
	if(col == colDate) minVal = date2Str(minVal);
    // Search the rows that follow the current one for a smaller value.
    for (j = i + 1; j < tblEl.rows.length; j++) {
      
      testVal = getTextValue(tblEl.rows[j].cells[col]);
      if(col == colDate) testVal = date2Str(testVal);
      	cmp = compareValues(minVal, testVal);
      // Negate the comparison result if the reverse sort flag is set.
      if (tblEl.reverseSort[col])
        cmp = -cmp;
      // Sort by the second column (team name) if those values are equal.
 
      if (cmp == 0 && col != 1)        
        cmp = compareValues(getTextValue(tblEl.rows[minIdx].cells[1]),
                                         getTextValue(tblEl.rows[j].cells[1]));
      // If this row has a smaller value than the current minimum, remember its
      // position and update the current minimum value.
      if (cmp > 0) {
        minIdx = j;
        minVal = testVal;
      }
    }

    // By now, we have the row with the smallest value. Remove it from the
    // table and insert it before the current row.
    if (minIdx > i) {
      tmpEl = tblEl.removeChild(tblEl.rows[minIdx]);
      tblEl.insertBefore(tmpEl, tblEl.rows[i]);
    }
  }

  // Make it look pretty.
  makePretty(tblEl, col);
  
    // Remember this column as the last one sorted.
  tblEl.lastColumn = col;
  /*
  // Set team rankings.
  setRanks(tblEl, col, rev);
*/
  // Restore the table's display style.
  tblEl.style.display = oldDsply;

  return false;
}

//-----------------------------------------------------------------------------
// Functions to get and compare values during a sort.
//-----------------------------------------------------------------------------

// This code is necessary for browsers that don't reflect the DOM constants
// (like IE).
if (document.ELEMENT_NODE == null) {
  document.ELEMENT_NODE = 1;
  document.TEXT_NODE = 3;
}

String.prototype.reverse = function(str){
	var l = this.length;
	var t ="";
	for(var i = 0; i < l; i++) t=this[i]+t;
	return t;
}

function getTextValue(el) {

  var i;
  var s;

  // Find and concatenate the values of all text nodes contained within the
  // element.
  s = "";
  for (i = 0; i < el.childNodes.length; i++)
    if (el.childNodes[i].nodeType == document.TEXT_NODE)
      s += el.childNodes[i].nodeValue;
    else if (el.childNodes[i].nodeType == document.ELEMENT_NODE &&
             el.childNodes[i].tagName == "BR")
      s += " ";
    else
      // Use recursion to get text within sub-elements.
      s += getTextValue(el.childNodes[i]);

  return normalizeString(s);
}

function compareValues(v1, v2) {

  var f1, f2;

  // If the values are numeric, convert them to floats.

  f1 = parseFloat(v1);
  f2 = parseFloat(v2);
  if (!isNaN(v1) && !isNaN(v2)) {
    v1 = f1;
    v2 = f2;
  }

  // Compare the two values.
  if (v1 == v2)
    return 0;
  if (v1 > v2)
    return 1
  return -1;
}
function date2Str(str){
	var t = str.split("-");
	str="";
	for(var i = t.length-1; i >= 0;i--) str+=t[i];
	return str;
}
// Regular expressions for normalizing white space.
var whtSpEnds = new RegExp("^\\s*|\\s*$", "g");
var whtSpMult = new RegExp("\\s\\s+", "g");

function normalizeString(s) {
  s = s.replace(whtSpMult, " ");  // Collapse any multiple whites space.
  s = s.replace(whtSpEnds, "");   // Remove leading or trailing white space.
  return s;
}

//-----------------------------------------------------------------------------
// Functions to update the table appearance after a sort.
//-----------------------------------------------------------------------------

// Style class names.
var rowClsNm = "l1";
// Regular expressions for setting class names.
var rowTest = new RegExp(rowClsNm, "gi");

 
function makePretty(tblEl, col) {

  var i, j;
  var rowEl, cellEl;

  // Set style classes on each row to alternate their appearance.
	for (i = 0; i < tblEl.rows.length; i++) {
  		rowEl = tblEl.rows[i];
  	//if(i == 0) alert(rowEl+"- <"+rowEl.className.replace(rowTest, "")+"> <"+rowTest+">");
    	rowEl.className = rowEl.className.replace(rowTest, "");
    	if (i % 2 != 0)   rowEl.className += " " + rowClsNm;
    	rowEl.className = normalizeString(rowEl.className);
	}
    
  // Find the table header and highlight the column that was sorted.
  var el = tblEl.parentNode.tHead;
 
  rowEl = el.rows[el.rows.length - 1]; 
  // Set style classes for each column as above.
  for (i = 0; i < rowEl.cells.length; i++) {
    cellEl = rowEl.cells[i];
    
    // Highlight the header of the sorted column. 
         cellEl.className = cellEl.className.replace(new RegExp("t_up", "gi"), "");   		  
    	 cellEl.className = cellEl.className.replace(new RegExp( "t_down", "gi"), "");
   
    if (i == col){
        tblEl.tri = tblEl.reverseSort[col] ? "t_up" : "t_down"; 
    	cellEl.className += " " + tblEl.tri;
   }
  
    cellEl.className = normalizeString(cellEl.className);
  }
}