//<SDTSGVERSION NUMBER="1.011" />
//<SDTSGUPDATED DATE="23/02/04" />
//<SDTSGCREATED_BY DESIGNER="Rich.Potter@bt.com" />
//<SDTSGUPDATED_BY DESIGNER="Rich.Potter@bt.com" />
//<SDTSGCOMMENT DESCRIPTION="The file is the javascript process for allowing tables to be reorderd without reloading them via javascript. Beat uaed on Analyst side where browser is know." />


var OBJdom = (document.getElementsByTagName) ? true : false;
var ieVer5 = (document.getElementsByTagName && document.all) ? true : false;
var arrowUp, arrowDown;
if (ieVer5 || OBJdom)
	initSortTable();
function sortTable(tableNode, nCol, bDesc, sType)
	{
	var tBody = tableNode.tBodies[0];
	var trs = tBody.rows;
	var trl= trs.length;
	var a = new Array();
	for (var i = 0; i < trl; i++)
		{
		a[i] = trs[i];
		}
	var start = new Date;
	window.status = "Sorting data...";
	a.sort(compareByColumn(nCol,bDesc,sType));
	for (var i = 0; i < trl; i++)
		{
		tBody.appendChild(a[i]);
		window.status = "Updating row " + (i + 1) + " of " + trl + " (Updated in: " + (new Date - start) + "ms)";
		}
	if (typeof tableNode.onsort == "string")
		tableNode.onsort = new Function("", tableNode.onsort);
	if (typeof tableNode.onsort == "function")
		tableNode.onsort();
	}
function initSortTable()
	{
	arrowUp = document.createElement("SPAN");
	var tn = document.createTextNode("");
	arrowUp.appendChild(tn);
	arrowUp.className = "arrow";
	arrowDown = document.createElement("SPAN");
	var tn = document.createTextNode("");
	arrowDown.appendChild(tn);
	arrowDown.className = "arrow";
	}
function toNumber(s)
	{
    return Number(s.replace(/[^0-9\.]/g, ""));
	}
function parseDate(s)
	{
	return Date.parse(s.replace(/\-/g, '/'));
	}
function compareByColumn(nCol, bDescending, sType)
	{
	var c = nCol;
	var d = bDescending;
	var fTypeCast = String;
	if (sType == "Number")
		fTypeCast = Number;
	else if (sType == "Date")
		fTypeCast = parseDate;
	else if (sType == "CaseInsensitiveString")
		fTypeCast = CaseInsensitiveString;
	return function (n1, n2)
		{
		if (fTypeCast(getInnerText(n1.cells[c])) < fTypeCast(getInnerText(n2.cells[c])))
			return d ? -1 : +1;
		if (fTypeCast(getInnerText(n1.cells[c])) > fTypeCast(getInnerText(n2.cells[c])))
			return d ? +1 : -1;
		return 0;
		};
	}
function CaseInsensitiveString(s)
	{
	return String(s).toUpperCase();
	}
function sortColumnWithHold(e)
	{
	var el = ieVer5 ? e.srcElement : e.target;
	var table = getParent(el, "TABLE");
	var oldCursor = table.style.cursor;
	var oldClick = table.onclick;
	table.style.cursor = "wait";
	table.onclick = null;
	var fakeEvent = {srcElement : e.srcElement, target : e.target};
	window.setTimeout(function ()
		{
		sortColumn(fakeEvent);
		table.style.cursor = oldCursor;
		table.onclick = oldClick;
		}, 100);
	}
function getParent(el, pTagName)
	{
	if (el == null) return null;
	else if (el.nodeType == 1 && el.tagName.toLowerCase() == pTagName.toLowerCase())
		return el;
	else
		return getParent(el.parentNode, pTagName);
	}
function sortColumn(e)
	{
	var tmp = e.target ? e.target : e.srcElement;
	var tHeadParent = getParent(tmp, "THEAD");
	var el = getParent(tmp, "TD");
	if (tHeadParent == null)
		return;
	if (el != null)
		{
		var p = el.parentNode;
		var i;
		el._descending = !Boolean(el._descending);

		if (tHeadParent.arrow != null)
			{
			if (tHeadParent.arrow.parentNode != el)
				{
				tHeadParent.arrow.parentNode._descending = null;	//reset sort order
				}
			tHeadParent.arrow.parentNode.removeChild(tHeadParent.arrow);
			}
		if (el._descending)
			tHeadParent.arrow = arrowUp.cloneNode(true);
		else
			tHeadParent.arrow = arrowDown.cloneNode(true);
		el.appendChild(tHeadParent.arrow);
		var cells = p.cells;
		var l = cells.length;
		for (i = 0; i < l; i++)
			{
			if (cells[i] == el) break;
			}
		var table = getParent(el, "TABLE");
		sortTable(table,i,el._descending, el.getAttribute("type"));
		window.status = "";
		}
	}
function getInnerText(el)
	{
	if (ieVer5) return el.innerText;
	var str = "";
	var cs = el.childNodes;
	var l = cs.length;
	for (var i = 0; i < l; i++)
		{
		switch (cs[i].nodeType)
			{
			case 1:
				str += getInnerText(cs[i]);
				break;
			case 3:
				str += cs[i].nodeValue;
				break;
			}
		}
	return str;
	}