function SSortableTable(oDivTable, oSortTypes) {
	this.element = oDivTable;
	this.tHead = oDivTable.firstChild.firstChild.tHead;
	this.tBody = oDivTable.childNodes[1].firstChild.tBodies[0];
	this.tData = oDivTable.childNodes[1].firstChild;
	this.document = oDivTable.ownerDocument || oDivTable.document;
	this.sortColumn = null;
	this.descending = null;
	var oThis = this;
	this._headerOnclick = function (e) {
		oThis.headerOnclick(e);
	};
	// only IE needs this
	var win = this.document.defaultView || this.document.parentWindow;
	this._onunload = function () {
		oThis.destroy();
	};
	if (win && typeof win.attachEvent != "undefined") {
		win.attachEvent("onunload", this._onunload);
	}
	this.initHeader(oSortTypes || []);
}

SSortableTable.gecko = navigator.product == "Gecko";
SSortableTable.msie = /msie/i.test(navigator.userAgent);
// Mozilla is faster when doing the DOM manipulations on
// an orphaned element. MSIE is not
SSortableTable.removeBeforeSort = SSortableTable.gecko;
SSortableTable.prototype.onsort = function () {};
// adds arrow containers and events
// also binds sort type to the header cells so that reordering columns does
// not break the sort types
SSortableTable.prototype.initHeader = function (oSortTypes) {
	var cells = this.tHead.rows[0].cells;
	var l = cells.length-1;
	var img, c;
	for (var i = 0; i < l; i++) {
		c = cells[i];
			img = this.document.createElement("IMG");
			img.src = "/images/espaceur.gif";
			c.appendChild(img);
			
		if (oSortTypes[i] != null) {		
			c._sortType = oSortTypes[i];
			
		if (typeof c.addEventListener != "undefined")
			c.addEventListener("click", this._headerOnclick, false);
		else if (typeof c.attachEvent != "undefined")		
			c.attachEvent("onclick", this._headerOnclick);			
		}			
	}
	this.updateHeaderArrows();
};

// remove arrows and events
SSortableTable.prototype.uninitHeader = function () {

	var cells = this.tHead.rows[0].cells;
	
	var l = cells.length-1;
	var c;
	for (var i = 0; i < l; i++) {
	
		c = cells[i];
		
			c.removeChild(c.lastChild);
			if (typeof c.removeEventListener != "undefined")
				c.removeEventListener("click", this._headerOnclick, false);
			else if (typeof c.detachEvent != "undefined")
				c.detachEvent("onclick", this._headerOnclick);		
	}
};

SSortableTable.prototype.updateHeaderArrows = function () {
	var cells = this.tHead.rows[0].cells;
	var l = cells.length-1;
	var img;
	for (var i = 0; i < l; i++) {
		if(typeof(cells[i]._sortType) != "undefined"){
			if(cells[i]._sortType != "None")
			{
				img = cells[i].lastChild;
				if (i == this.sortColumn)
					img.className = "sort-arrow " + (this.descending ? "descending" : "ascending");
				else
					img.className = "sort-arrow";
			}
		}		
	}
};

SSortableTable.prototype.headerOnclick = function (e) {
	// find TD element
	var el = e.target || e.srcElement;
	while (el.tagName != "TD")
		el = el.parentNode;
	
	this.sort(el.cellIndex);
};

SSortableTable.prototype.getSortType = function (nColumn) {
	var cell = this.tHead.rows[0].cells[nColumn];
	var val = cell._sortType;
	if (val != "")
		return val;
	return "String";
};

// only nColumn is required
// if bDescending is left out the old value is taken into account
// if sSortType is left out the sort type is found from the sortTypes array

SSortableTable.prototype.sort = function (nColumn, bDescending, sSortType) {
	if (sSortType == null)
		sSortType = this.getSortType(nColumn);

	// exit if None	
	if (sSortType == "None")
		return;
	
	if (bDescending == null) {
		if (this.sortColumn != nColumn)
			this.descending = true;
		else
			this.descending = !this.descending;
	}	
	
	this.sortColumn = nColumn;
	
	if (typeof this.onbeforesort == "function")
		this.onbeforesort();
	
	var f = this.getSortFunction(sSortType, nColumn);
	var a = this.getCache(sSortType, nColumn);
	var tBody = this.tBody;
	
	a.sort(f);
	
	if (this.descending)
		a.reverse();
	
	if (SSortableTable.removeBeforeSort) {
		// remove from doc
		var nextSibling = tBody.nextSibling;
		var p = tBody.parentNode;
		p.removeChild(tBody);
	}
	
	// insert in the new order
	var l = a.length;
	for (var i = 0; i < l; i++)
		tBody.appendChild(a[i].element);
	
	if (SSortableTable.removeBeforeSort) {	
		// insert into doc
		p.insertBefore(tBody, nextSibling);
	}
	
	this.updateHeaderArrows();
	
	this.destroyCache(a);
	this.tData.Format();
	if (typeof this.onsort == "function")
		this.onsort();
};

SSortableTable.prototype.asyncSort = function (nColumn, bDescending, sSortType) {
	var oThis = this;
	this._asyncsort = function () {
		oThis.sort(nColumn, bDescending, sSortType);
	};
	window.setTimeout(this._asyncsort, 1);	
};

SSortableTable.prototype.getCache = function (sType, nColumn) {
	var rows = this.tBody.rows;
	var l = rows.length;
	var a = new Array(l);
	var r;
	for (var i = 0; i < l; i++) {
		r = rows[i];
		a[i] = {
			value:		this.getRowValue(r, sType, nColumn),
			element:	r
		};
	};
	return a;
};

SSortableTable.prototype.destroyCache = function (oArray) {
	var l = oArray.length;
	for (var i = 0; i < l; i++) {
		oArray[i].value = null;
		oArray[i].element = null;
		oArray[i] = null;
	}
}


SSortableTable.prototype.getRowValue = function (oRow, sType, nColumn) {
	var s;
	var c = oRow.cells[nColumn];
	if (typeof c.innerText != "undefined")
		s = c.innerText;
	else
		s = SortableTable.getInnerText(c);

	return this.getValueFromString(s, sType, c);
};

SSortableTable.getInnerText = function (oNode) {
	var s = "";	
	var cs = oNode.childNodes;
	var l = cs.length;
	for (var i = 0; i < l; i++) {
		switch (cs[i].nodeType) {
			case 1: //ELEMENT_NODE
				s += SortableTable.getInnerText(cs[i]);
				break;
			case 3:	//TEXT_NODE
				s += cs[i].nodeValue;
				break;
		}
	}
	return s;
}

SSortableTable.prototype.getValueFromString = function (sText, sType, oCol) {
	switch (sType) {
		case "Number":
			return Number(sText);
		case "CaseInsensitiveString":
			return sText.toUpperCase();
		case "Date":
			var parts = sText.split("/");
			var d = new Date(0);
if(parts.length>1)
{
			d.setFullYear(parts[2]);
			d.setDate(parts[0]);
			d.setMonth(parts[1] - 1);			
}
			return Number(d.valueOf());
		case "ChildID":
			return(oCol.childNodes[0].id);
		case "InnerHTML":
			return(oCol.innerHTML);
		case "ChildInnerHTML":
			return(oCol.childNodes[0].innerHTML);
		case "Sortby":
			return(oCol.sortby);
	}
	return sText;
};

SSortableTable.prototype.getSortFunction = function (sType, nColumn) {
	return function compare(n1, n2) {
		if (n1.value < n2.value)
			return -1;
		if (n2.value < n1.value)
			return 1;
		if (isNaN(n1.value))
			return -1;
		if (isNaN(n2.value))
			return 1;
		return 0;
	};
};

SSortableTable.prototype.destroy = function () {
	
	this.uninitHeader();
	
	var win = this.document.parentWindow;
	if (win && typeof win.detachEvent != "undefined") {	// only IE needs this
		win.detachEvent("onunload", this._onunload);
	}	
	
	this._onunload = null;
	this.element = null;
	this.tHead = null;
	this.tBody = null;
	this.document = null;
	this._headerOnclick = null;
	this.sortTypes = null;
	this._asyncsort = null;
	this.onsort = null;
};