
function StringBuilder(sString) {
	this.length = 0;
	
	this.append = function (sString) {
		// append argument
		this.length += (this._parts[this._current++] = String(sString)).length;
		
		// reset cache
		this._string = null;
		return this;
	};
	
	this.toString = function () {
		if (this._string != null)
			return this._string;
		
		var s = this._parts.join("");
		this._parts = [s];
		this._current = 1;
		this.length = s.length;
		
		return this._string = s;
	};

	// private
	this._current	= 0;
	this._parts		= [];
	this._string	= null;	// used to cache the string
	
	// init
	if (sString != null)
		this.append(sString);
}




function shortAbbr(position, combined_D_ST)
{
   var position_string

   if (position == 0)       position_string = "QB"  
   else if (position ==	1)  position_string = "RB"  
   else if (position ==	2)  position_string = "WR"
   else if (position ==	3)  position_string = "TE"  
   else if (position ==	4)  position_string = "K"
   else if (position ==	5)
   {
       if (combined_D_ST) position_string = "D/ST"
       else               position_string = "Def"
   }
   else if (position ==	6)  position_string = "ST"  
   else if (position ==	7)  position_string = "HC"
   else if (position ==	8)  position_string = "Off"
   else if (position ==	10) position_string = "DL"
   else if (position ==	11) position_string = "LB"
   else if (position ==	12) position_string = "DB"
        
   return position_string;
   
}


//
// Scrollable table functions.
//
function max(a,b) {
     return a>b?a:b;
}

function min(a,b) {
     return a<b?a:b;
}

function ScrollableTable() 
{
	this.headerSet = false;
}


ScrollableTable.prototype.setColumns = function (tableHeaderID, tableBodyID)
{
	var originalHeaderWidths = new Array();
	var originalBodyWidths   = new Array();
	var tableHeader          = document.getElementById(tableHeaderID);
	var tableBody            = document.getElementById(tableBodyID);
	var headerCells = tableHeader.rows[0].cells;
	var bodyCells = tableBody.rows[0].cells;
	
	if (!headerCells[0]) headerCells = tableHeader.rows[0].childNodes;
	if (!bodyCells[0]) bodyCells = tableBody.rows[0].childNodes;


	for (i=0; i<headerCells.length; i++)
		originalHeaderWidths[i] = headerCells[i].offsetWidth;

	for (i=0; i<bodyCells.length; i++)
		originalBodyWidths[i] = bodyCells[i].offsetWidth;

	tableHeader.width = tableBody.width = "100%";    

	for (i=0; i<originalHeaderWidths.length-1; i++)
	{
		var w = max(min(originalHeaderWidths[i], headerCells[i].offsetWidth), min(originalBodyWidths[i], bodyCells[i].offsetWidth));
      bodyCells[i].width = w;
		headerCells[i].width = w;
	}

	this.headerSet = true;

}


// 
// Sortable table functions..
//

function SortableTable(oTable, oSortTypes) {

	this.sortTypes = oSortTypes || [];

	this.sortColumn = null;
	this.descending = null;

	var oThis = this;
	this._headerOnclick = function (e) {
		oThis.headerOnclick(e);
	};

	try
	{   // this if statement blows in new Safari
		if (oTable) {
			this.setTable( oTable );
			this.document = oTable.ownerDocument || oTable.document;
		}
		else {
			this.document = document;
		}

		// 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);
		}		
	}
	catch (e)
	{
		;
	}

}

SortableTable.gecko = navigator.product == "Gecko";
SortableTable.msie = /msie/i.test(navigator.userAgent);
// Mozilla is faster when doing the DOM manipulations on
// an orphaned element. MSIE is not
SortableTable.removeBeforeSort = SortableTable.gecko;

SortableTable.prototype.onsort = function () {};

// default sort order. true -> descending, false -> ascending
SortableTable.prototype.defaultDescending = false;

// shared between all instances. This is intentional to allow external files
// to modify the prototype
SortableTable.prototype._sortTypeInfo = {};

SortableTable.prototype.setTable = function (oTable) {
	if ( this.tHead )
		this.uninitHeader();
	this.element = oTable;
	this.setTHead( oTable.tHead );
	this.setTBody( oTable.tBodies[0] );
};

SortableTable.prototype.setTHead = function (oTHead) {
	if (this.tHead && this.tHead != oTHead )
		this.uninitHeader();
	this.tHead = oTHead;
	this.initHeader( this.sortTypes );
};

SortableTable.prototype.setTBody = function (oTBody) {
	this.tBody = oTBody;
};

SortableTable.prototype.setSortTypes = function ( oSortTypes ) {
	if ( this.tHead )
		this.uninitHeader();
	this.sortTypes = oSortTypes || [];
	if ( this.tHead )
		this.initHeader( this.sortTypes );
};

// adds arrow containers and events
// also binds sort type to the header cells so that reordering columns does
// not break the sort types
SortableTable.prototype.initHeader = function (oSortTypes) {
	if (!this.tHead) return;
	var cells = this.tHead.rows[0].cells;
	if (!cells[0]) cells = this.tHead.rows[0].childNodes;

	var doc = this.tHead.ownerDocument || this.tHead.document;
	this.sortTypes = oSortTypes || [];
	var l = cells.length;
	var img, c;
	for (var i = 0; i < l; i++) {
		c = cells[i];
		if (this.sortTypes[i] != null && this.sortTypes[i] != "None") {
			img = doc.createElement("IMG");
			img.src = "http://www.rtsports.com/img/spacer.gif";
			img.align = "top";
			img.width = "10";
			c.appendChild(img);
			if (this.sortTypes[i] != null)
				c._sortType = this.sortTypes[i];
			if (typeof c.addEventListener != "undefined")
				c.addEventListener("click", this._headerOnclick, false);
			else if (typeof c.attachEvent != "undefined")
				c.attachEvent("onclick", this._headerOnclick);
			else
				c.onclick = this._headerOnclick;
		}
		else
		{
			c.setAttribute( "_sortType", oSortTypes[i] );
			c._sortType = "None";
		}
	}
	this.updateHeaderColumns();
};

// remove arrows and events
SortableTable.prototype.uninitHeader = function () {
	if (!this.tHead) return;
	var cells = this.tHead.rows[0].cells;
	if (!cells[0]) cells = this.tHead.rows[0].childNodes;

	var l = cells.length;
	var c;
	for (var i = 0; i < l; i++) {
		c = cells[i];
		if (c._sortType != null && c._sortType != "None") {
			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);
			c._sortType = null;
			c.removeAttribute( "_sortType" );
		}
	}
};

SortableTable.prototype.updateHeaderColumns = function () {
	if (!this.tHead) return;
	var cells = this.tHead.rows[0].cells;
	if (!cells[0]) cells = this.tHead.rows[0].childNodes;
	
	var l = cells.length;
	var img;
	for (var i = 0; i < l; i++) {
		if (cells[i]._sortType != null && cells[i]._sortType != "None") {
			img = cells[i].lastChild;
			if (i == this.sortColumn)
			{
				img.className = "sort-arrow " + (this.descending ? "descending" : "ascending");
				cells[i].className = "blueHead"; //"blueHeadSelected";
			}
			else
			{
				img.className = "sort-arrow";
				cells[i].className = "blueHead";
			}
			cells[i].style.cursor = "pointer";
		}
	}
};

SortableTable.prototype.headerOnclick = function (e) {
	// find TD element
	var el = e.target || e.srcElement;
	while (el.tagName != "TD")
		el = el.parentNode;


//	this.sort(SortableTable.msie ? SortableTable.getCellIndex(el) : el.cellIndex);
	this.sort(el.cellIndex != null ? el.cellIndex : SortableTable.getCellIndex(el));

};



// IE returns wrong cellIndex when columns are hidden
SortableTable.getCellIndex = function (oTd) {
	var cells = oTd.parentNode.childNodes
	var l = cells.length;
	var i;
	for (i = 0; cells[i] != oTd && i < l; i++)
		;
	return i;
};

SortableTable.prototype.getSortType = function (nColumn) {
	return this.sortTypes[nColumn] || "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

SortableTable.prototype.sort = function (nColumn, bDescending, sSortType) {
	
	if (!this.tBody) return;
	if (sSortType == null)
		sSortType = this.getSortType(nColumn);

	// exit if None
	if (sSortType == "None")
		return;

	if (bDescending == null) {
		if (this.sortColumn != nColumn)
			this.descending = this.defaultDescending;
		else
			this.descending = !this.descending;
	}
	else
		this.descending = bDescending;

	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 (SortableTable.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);

// WOW...did adding the next line increase the time to draw the table!  From less than 1 second to over 20 seconds
// for a list of 1600 names!!  Just to alternate the background color of the rows.
//		a[i].element.style.backgroundColor = (i % 2 == 0 ? "#F0EAD1" : "#FFFFFF");
	}

	if (SortableTable.removeBeforeSort) {
		// insert into doc
		p.insertBefore(tBody, nextSibling);
	}

	this.updateHeaderColumns();

	this.destroyCache(a);

	if (typeof this.onsort == "function")
		this.onsort();
};

SortableTable.prototype.asyncSort = function (nColumn, bDescending, sSortType) {
	var oThis = this;
	this._asyncsort = function () {
		oThis.sort(nColumn, bDescending, sSortType);
	};
	window.setTimeout(this._asyncsort, 1);
};

SortableTable.prototype.getCache = function (sType, nColumn) {
	if (!this.tBody) return [];
	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;
};

SortableTable.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;
	}
};

SortableTable.prototype.getRowValue = function (oRow, sType, nColumn) {
	// if we have defined a custom getRowValue use that

	if (this._sortTypeInfo[sType] && this._sortTypeInfo[sType].getRowValue)
		return this._sortTypeInfo[sType].getRowValue(oRow, nColumn);

	var s;
	var c = oRow.cells[nColumn];
	
	if (!c) c = oRow.childNodes[nColumn];

	if (typeof c.innerText != "undefined")
		s = c.innerText;
	else
		s = SortableTable.getInnerText(c);
	return this.getValueFromString(s, sType);
};

SortableTable.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;
};

SortableTable.prototype.getValueFromString = function (sText, sType) {
	if (this._sortTypeInfo[sType])
		return this._sortTypeInfo[sType].getValueFromString( sText );
	return sText;
	/*
	switch (sType) {
		case "Number":
			return Number(sText);
		case "CaseInsensitiveString":
			return sText.toUpperCase();
		case "Date":
			var parts = sText.split("-");
			var d = new Date(0);
			d.setFullYear(parts[0]);
			d.setDate(parts[2]);
			d.setMonth(parts[1] - 1);
			return d.valueOf();
	}
	return sText;
	*/
	};

SortableTable.prototype.getSortFunction = function (sType, nColumn) {
	if (this._sortTypeInfo[sType])
		return this._sortTypeInfo[sType].compare;
	return SortableTable.basicCompare;
};

SortableTable.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;
};

// Adds a sort type to all instance of SortableTable
// sType : String - the identifier of the sort type
// fGetValueFromString : function ( s : string ) : T - A function that takes a
//    string and casts it to a desired format. If left out the string is just
//    returned
// fCompareFunction : function ( n1 : T, n2 : T ) : Number - A normal JS sort
//    compare function. Takes two values and compares them. If left out less than,
//    <, compare is used
// fGetRowValue : function( oRow : HTMLTRElement, nColumn : int ) : T - A function
//    that takes the row and the column index and returns the value used to compare.
//    If left out then the innerText is first taken for the cell and then the
//    fGetValueFromString is used to convert that string the desired value and type

SortableTable.prototype.addSortType = function (sType, fGetValueFromString, fCompareFunction, fGetRowValue) {
	this._sortTypeInfo[sType] = {
		type:				sType,
		getValueFromString:	fGetValueFromString || SortableTable.idFunction,
		compare:			fCompareFunction || SortableTable.basicCompare,
		getRowValue:		fGetRowValue
	};
};

// this removes the sort type from all instances of SortableTable
SortableTable.prototype.removeSortType = function (sType) {
	delete this._sortTypeInfo[sType];
};

SortableTable.basicCompare = function compare(n1, n2) {
	if (n1.value < n2.value)
		return -1;
	if (n2.value < n1.value)
		return 1;
	return 0;
};

SortableTable.idFunction = function (x) {
	return x;
};

SortableTable.toUpperCase = function (s) {
	return s.toUpperCase();
};

SortableTable.toDate = function (s) {
	var parts = s.split("-");
	var d = new Date(0);
	d.setFullYear(parts[0]);
	d.setDate(parts[2]);
	d.setMonth(parts[1] - 1);
	return d.valueOf();
};



function usCurrencyConverter( s )
{
	var n = s;
	var i = s.indexOf( "$" );
	if ( i == -1 )
		i = s.indexOf( "," );
	if ( i != -1 )
	{
		var p1 = s.substr( 0, i );
		var p2 = s.substr( i + 1, s.length );
		return usCurrencyConverter( p1 + p2 );
	}

	return parseFloat( n );
}


// add sort types
SortableTable.prototype.addSortType("Number", Number);
SortableTable.prototype.addSortType("CaseInsensitiveString", SortableTable.toUpperCase);
SortableTable.prototype.addSortType("Date", SortableTable.toDate);
SortableTable.prototype.addSortType("String");
SortableTable.prototype.addSortType("UsCurrency", usCurrencyConverter );
// None is a special case
