Sort tables using JavaScript

<Script language = "JavaScript">
Var dom = (document. getElementsByTagName )? True: false;
Var ie5 = (document. getElementsByTagName & document. all )? True: false;
Var arrowUp, arrowDown;
If (ie5 | dom)
InitSortTable ();
Function initSortTable (){
ArrowUp = document. createElement ("SPAN ");
Var tn = document. createTextNode ("success ");
ArrowUp. appendChild (tn );
ArrowUp. className = "arrow ";
ArrowDown = document. createElement ("SPAN ");
Var tn = document. createTextNode ("success ");
ArrowDown. appendChild (tn );
ArrowDown. className = "arrow ";
}
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 ));
Window. status = "Sorting data done ";
For (var I = 0; I <trl; I ++ ){
TBody. appendChild (a [I]);
Window. status = "Updating row" + (I + 1) + "of" + trl +
"(Time spent:" + (new Date-start) + "ms )";
}
// Check for onsort
If (typeof tableNode. onsort = "string ")
TableNode. onsort = new Function ("", tableNode. onsort );
If (typeof tableNode. onsort = "function ")
TableNode. onsort ();
}
Function CaseInsensitiveString (s ){
Return String (s). toUpperCase ();
}
Function parseDate (s ){
Return Date. parse (s. replace (/-/g ,/));
}
Function toNumber (s ){
Return Number (s. replace (/[^ 0-9.]/g ,""));
}
Function Percent (s ){
Return Number (s. replace ("% ",""));
}
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;
Else if (sType = "Percent ")
FTypeCast = Percent;
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 sortColumnWithHold (e ){
Var el = ie5? E. srcElement: e.tar get;
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.tar get };
Window. setTimeout (function (){
SortColumn (fakeEvent );
Table. style. cursor = oldCursor;
Table. onclick = oldClick;
},100 );
}
Function sortColumn (e ){
Var tmp = e.tar get? E.tar get: e. srcElement;
Var tHeadParent = getParent (tmp, "THEAD ");
Var el = getParent (tmp, "TD ");
If (tHeadParent = null)
Ret