// JavaScript Document

//Style Sheet Switcher version 1.1 Oct 10th, 2006
//Author: Dynamic Drive: http://www.dynamicdrive.com
//Usage terms: http://www.dynamicdrive.com/notice.htm

var manual_or_random="manual" //"manual" or "random"
var randomsetting="3 days" //"eachtime", "sessiononly", or "x days (replace x with desired integer)". Only applicable if mode is random.

//////No need to edit beyond here//////////////

function getCookie(Name) { 
var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
if (document.cookie.match(re)) //if cookie found
return document.cookie.match(re)[0].split("=")[1] //return its value
return null
}

function setCookie(name, value, days) {
var expireDate = new Date()
//set "expstring" to either future or past date, to set or delete cookie, respectively
var expstring=(typeof days!="undefined")? expireDate.setDate(expireDate.getDate()+parseInt(days)) : expireDate.setDate(expireDate.getDate()-5)
document.cookie = name+"="+value+"; expires="+expireDate.toGMTString()+"; path=/";
}

function deleteCookie(name){
setCookie(name, "moot")
}


function setStylesheet(title, randomize){ //Main stylesheet switcher function. Second parameter if defined causes a random alternate stylesheet (including none) to be enabled
var i, cacheobj, altsheets=[""]
for(i=0; (cacheobj=document.getElementsByTagName("link")[i]); i++) {
if(cacheobj.getAttribute("rel").toLowerCase()=="alternate stylesheet" && cacheobj.getAttribute("title")) { //if this is an alternate stylesheet with title
cacheobj.disabled = true
altsheets.push(cacheobj) //store reference to alt stylesheets inside array
if(cacheobj.getAttribute("title") == title) //enable alternate stylesheet with title that matches parameter
cacheobj.disabled = false //enable chosen style sheet
}
}
if (typeof randomize!="undefined"){ //if second paramter is defined, randomly enable an alt style sheet (includes non)
var randomnumber=Math.floor(Math.random()*altsheets.length)
altsheets[randomnumber].disabled=false
}
return (typeof randomize!="undefined" && altsheets[randomnumber]!="")? altsheets[randomnumber].getAttribute("title") : "" //if in "random" mode, return "title" of randomly enabled alt stylesheet
}

function chooseStyle(styletitle, days){ //Interface function to switch style sheets plus save "title" attr of selected stylesheet to cookie
if (document.getElementById){
setStylesheet(styletitle)
setCookie("mysheet", styletitle, days)
}
}

function indicateSelected(element){ //Optional function that shows which style sheet is currently selected within group of radio buttons or select menu
if (selectedtitle!=null && (element.type==undefined || element.type=="select-one")){ //if element is a radio button or select menu
var element=(element.type=="select-one") ? element.options : element
for (var i=0; i<element.length; i++){
if (element[i].value==selectedtitle){ //if match found between form element value and cookie value
if (element[i].tagName=="OPTION") //if this is a select menu
element[i].selected=true
else //else if it's a radio button
element[i].checked=true
break
}
}
}
}

if (manual_or_random=="manual"){ //IF MANUAL MODE
var selectedtitle=getCookie("mysheet")
if (document.getElementById && selectedtitle!=null) //load user chosen style sheet from cookie if there is one stored
setStylesheet(selectedtitle)
}
else if (manual_or_random=="random"){ //IF AUTO RANDOM MODE
if (randomsetting=="eachtime")
setStylesheet("", "random")
else if (randomsetting=="sessiononly"){ //if "sessiononly" setting
if (getCookie("mysheet_s")==null) //if "mysheet_s" session cookie is empty
document.cookie="mysheet_s="+setStylesheet("", "random")+"; path=/" //activate random alt stylesheet while remembering its "title" value
else
setStylesheet(getCookie("mysheet_s")) //just activate random alt stylesheet stored in cookie
}
else if (randomsetting.search(/^[1-9]+ days/i)!=-1){ //if "x days" setting
if (getCookie("mysheet_r")==null || parseInt(getCookie("mysheet_r_days"))!=parseInt(randomsetting)){ //if "mysheet_r" cookie is empty or admin has changed number of days to persist in "x days" variable
setCookie("mysheet_r", setStylesheet("", "random"), parseInt(randomsetting)) //activate random alt stylesheet while remembering its "title" value
setCookie("mysheet_r_days", randomsetting, parseInt(randomsetting)) //Also remember the number of days to persist per the "x days" variable
}
else
setStylesheet(getCookie("mysheet_r")) //just activate random alt stylesheet stored in cookie
} 
}



//ROLLOVERS
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


// START TABLE SORT

//-----------------------------------------------------------------------------
// sortTable(id, col, isdate, 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.
//  isdate - if true, column contains date value
//  rev - If true, the column is sorted in reverse (descending) order
//        initially.
//-----------------------------------------------------------------------------

function sortTable(id, col, isdate, rev) {

  //set sort order variable as asc by default - it goes to makePretty
  var v_sort_ord = "asc";

  // 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];

  // Remember this column as the last one sorted.
  tblEl.lastColumn = 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 column value is a date, need to parse the date
    if (isdate==true){ 
	var v_date_str = getTextValue(tblEl.rows[i].cells[col]).replace("/","");
	var temp_date=v_date_str;
	if (v_date_str.indexOf('/')>0 && v_date_str.length>0) {
		//temp_date = getDateFromFormat(v_date_str,"M/d/y h:mm a");
		temp_date = getDateFromFormat(v_date_str,"MM/dd/yyyy");
	}
	if (v_date_str.indexOf(',')>0 && v_date_str.length>0) {
		//temp_date = getDateFromFormat(v_date_str,"EE, MMM dd, yyyy");
		temp_date = getDateFromFormat(v_date_str,"MMM d, yyyy");
	}

	minVal = temp_date;
    }
    if (isdate==false) minVal = getTextValue(tblEl.rows[i].cells[col]);


    // Search the rows that follow the current one for a smaller value.
    for (j = i + 1; j < tblEl.rows.length; j++) {
      
      //if column value is a date, need to parse the date
      if (isdate==true){
	var v_date_str = getTextValue(tblEl.rows[j].cells[col]).replace("/","");
	var temp_date=v_date_str;	
	if (v_date_str.indexOf('/')>0 && v_date_str.length>0) {
		//temp_date = getDateFromFormat(v_date_str,"M/d/y h:mm a");
		temp_date = getDateFromFormat(v_date_str,"MM/dd/yyyy");
	}
	if (v_date_str.indexOf(',')>0 && v_date_str.length>0) {
		//temp_date = getDateFromFormat(v_date_str,"EE, MMM dd, yyyy");
		temp_date = getDateFromFormat(v_date_str,"MMM d, yyyy");
	}
	
	testVal = temp_date;
      }
      if (isdate==false) testVal = getTextValue(tblEl.rows[j].cells[col]);

      cmp = compareValues(minVal, testVal);
      // Reverse order?
      if (tblEl.reverseSort[col]){
        cmp = -cmp;
	v_sort_ord  ="desc";
	}
      // 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, v_sort_ord);

  // 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;
}

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

  // Compare the two values.
  if (v1 == v2)
    return 0;
  if (v1 > v2)
    return 1
  return -1;
}

// 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 = "alternateRow";
var colClsNm = "sortedColumn";

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

function makePretty(tblEl, col, v_sort_order) {

  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];
   rowEl.className = rowEl.className.replace(rowTest, "");
    if (i % 2 != 0)
      rowEl.className += " " + rowClsNm;
    rowEl.className = normalizeString(rowEl.className);
    // Set style classes on each column (other than the name column) to
    // highlight the one that was sorted.
    for (j = 0; j < tblEl.rows[i].cells.length; j++) {
      cellEl = rowEl.cells[j];
      cellEl.className = cellEl.className.replace(colTest, "");
      if (j == col)
        cellEl.className += " " + colClsNm;
      cellEl.className = normalizeString(cellEl.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];
    cellEl.className = cellEl.className.replace(colTest, "");
    var up_img = cellEl.getElementsByTagName("img"); //document.getElementById("up"); 
    for (j = 0; j < up_img.length; j++) {
	//if (i != col){
		//up_img[j].style.visibility="hidden";
	//}
	if (i == col){
		if (v_sort_order == "asc")
		{
			up_img[j].src = "/OEB/_images/OEB+System/top.gif";
			up_img[j].style.visibility="visible";
		
		}
		if (v_sort_order == "desc")
		{
			up_img[j].style.visibility="visible";
			up_img[j].src = "/OEB/_images/OEB+System/bottom.gif";

		}
	}
    }

    // Highlight the header of the sorted column.
    if (i == col)
      cellEl.className += " " + colClsNm;
      cellEl.className = normalizeString(cellEl.className);
  }
}




//-----------------------------------------------------------------------------
// Functions to parse date format.
//-----------------------------------------------------------------------------

// ------------------------------------------------------------------
// parseDate( date_string [, prefer_euro_format] )
//
// This function takes a date string and tries to match it to a
// number of possible date formats to get the value. It will try to
// match against the following international formats, in this order:
// y-M-d   MMM d, y   MMM d,y   y-MMM-d   d-MMM-y  MMM d
// M/d/y   M-d-y      M.d.y     MMM-d     M/d      M-d
// d/M/y   d-M-y      d.M.y     d-MMM     d/M      d-M
// A second argument may be passed to instruct the method to search
// for formats like d/M/y (european format) before M/d/y (American).
// Returns a Date object or null if no patterns match.
// ------------------------------------------------------------------
function parseDate(val) {
	var preferEuro=(arguments.length==2)?arguments[1]:false;
	generalFormats=new Array('y-M-d','MMM d, y','MMM d,y','y-MMM-d','d-MMM-y','MMM d');
	monthFirst=new Array('M/d/y','M-d-y','M.d.y','MMM-d','M/d','M-d');
	dateFirst =new Array('d/M/y','d-M-y','d.M.y','d-MMM','d/M','d-M');
	var checkList=new Array('generalFormats',preferEuro?'dateFirst':'monthFirst',preferEuro?'monthFirst':'dateFirst');
	var d=null;
	for (var i=0; i<checkList.length; i++) {
		var l=window[checkList[i]];
		for (var j=0; j<l.length; j++) {
			d=getDateFromFormat(val,l[j]);
			if (d!=0) { return new Date(d); }
			}
		}
	return null;
	}


// ------------------------------------------------------------------
// getDateFromFormat( date_string , format_string )
//
// This function takes a date string and a format string. It matches
// If the date string matches the format string, it returns the 
// getTime() of the date. If it does not match, it returns 0.
// 
// The format string consists of the following abbreviations:
// 
// Field        | Full Form          | Short Form
// -------------|--------------------|-----------------------
// Year         | yyyy (4 digits)    | yy (2 digits), y (2 or 4 digits)
// Month        | MMM (name or abbr.)| MM (2 digits), M (1 or 2 digits)
//              | NNN (abbr.)        |
// Day of Month | dd (2 digits)      | d (1 or 2 digits)
// Day of Week  | EE (name)          | E (abbr)
// Hour (1-12)  | hh (2 digits)      | h (1 or 2 digits)
// Hour (0-23)  | HH (2 digits)      | H (1 or 2 digits)
// Hour (0-11)  | KK (2 digits)      | K (1 or 2 digits)
// Hour (1-24)  | kk (2 digits)      | k (1 or 2 digits)
// Minute       | mm (2 digits)      | m (1 or 2 digits)
// Second       | ss (2 digits)      | s (1 or 2 digits)
// AM/PM        | a                  |
// 
// NOTE THE DIFFERENCE BETWEEN MM and mm! Month=MM, not mm!
// 
// Examples:
//  "MMM d, y" matches: January 01, 2000
//                      Dec 1, 1900
//                      Nov 20, 00
//  "M/d/yy"   matches: 01/20/00
//                      9/2/00
//  "MMM dd, yyyy hh:mm:ssa" matches: "January 01, 2000 12:30:45AM"
// ------------------------------------------------------------------
var MONTH_NAMES=new Array('January','February','March','April','May','June','July','August','September','October','November','December','Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
var DAY_NAMES=new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sun','Mon','Tue','Wed','Thu','Fri','Sat');

function getDateFromFormat(val,format) {
	val=val+"";
	format=format+"";
	var i_val=0;
	var i_format=0;
	var c="";
	var token="";
	var token2="";
	var x,y;
	var now=new Date();
	var year=now.getYear();
	var month=now.getMonth()+1;
	var date=1;
	var hh=now.getHours();
	var mm=now.getMinutes();
	var ss=now.getSeconds();
	var ampm="";
	
	while (i_format < format.length) {
		// Get next token from format string
		c=format.charAt(i_format);
		token="";
		while ((format.charAt(i_format)==c) && (i_format < format.length)) {
			token += format.charAt(i_format++);
			}
		// Extract contents of value based on format token
		if (token=="yyyy" || token=="yy" || token=="y") {
			if (token=="yyyy") { x=4;y=4; }
			if (token=="yy")   { x=2;y=2; }
			if (token=="y")    { x=2;y=4; }
			year=_getInt(val,i_val,x,y);
			if (year==null) { return 0; }
			i_val += year.length;
			if (year.length==2) {
				if (year > 70) { year=1900+(year-0); }
				else { year=2000+(year-0); }
				}
			}
		else if (token=="MMM"||token=="NNN"){
			month=0;
			for (var i=0; i<MONTH_NAMES.length; i++) {
				var month_name=MONTH_NAMES[i];
				if (val.substring(i_val,i_val+month_name.length).toLowerCase()==month_name.toLowerCase()) {
					if (token=="MMM"||(token=="NNN"&&i>11)) {
						month=i+1;
						if (month>12) { month -= 12; }
						i_val += month_name.length;
						break;
						}
					}
				}
			if ((month < 1)||(month>12)){return 0;}
			}
		else if (token=="EE"||token=="E"){
			for (var i=0; i<DAY_NAMES.length; i++) {
				var day_name=DAY_NAMES[i];
				if (val.substring(i_val,i_val+day_name.length).toLowerCase()==day_name.toLowerCase()) {
					i_val += day_name.length;
					break;
					}
				}
			}
		else if (token=="MM"||token=="M") {
			month=_getInt(val,i_val,token.length,2);
			if(month==null||(month<1)||(month>12)){return 0;}
			i_val+=month.length;}
		else if (token=="dd"||token=="d") {
			date=_getInt(val,i_val,token.length,2);
			if(date==null||(date<1)||(date>31)){return 0;}
			i_val+=date.length;}
		else if (token=="hh"||token=="h") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<1)||(hh>12)){return 0;}
			i_val+=hh.length;}
		else if (token=="HH"||token=="H") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<0)||(hh>23)){return 0;}
			i_val+=hh.length;}
		else if (token=="KK"||token=="K") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<0)||(hh>11)){return 0;}
			i_val+=hh.length;}
		else if (token=="kk"||token=="k") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<1)||(hh>24)){return 0;}
			i_val+=hh.length;hh--;}
		else if (token=="mm"||token=="m") {
			mm=_getInt(val,i_val,token.length,2);
			if(mm==null||(mm<0)||(mm>59)){return 0;}
			i_val+=mm.length;}
		else if (token=="ss"||token=="s") {
			ss=_getInt(val,i_val,token.length,2);
			if(ss==null||(ss<0)||(ss>59)){return 0;}
			i_val+=ss.length;}
		else if (token=="a") {
			if (val.substring(i_val,i_val+2).toLowerCase()=="am") {ampm="AM";}
			else if (val.substring(i_val,i_val+2).toLowerCase()=="pm") {ampm="PM";}
			else {return 0;}
			i_val+=2;}
		else {
			if (val.substring(i_val,i_val+token.length)!=token) {return 0;}
			else {i_val+=token.length;}
			}
		}
	// If there are any trailing characters left in the value, it doesn't match
	if (i_val != val.length) { return 0; }
	// Is date valid for month?
	if (month==2) {
		// Check for leap year
		if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { // leap year
			if (date > 29){ return 0; }
			}
		else { if (date > 28) { return 0; } }
		}
	if ((month==4)||(month==6)||(month==9)||(month==11)) {
		if (date > 30) { return 0; }
		}
	// Correct hours value
	if (hh<12 && ampm=="PM") { hh=hh-0+12; }
	else if (hh>11 && ampm=="AM") { hh-=12; }
	var newdate=new Date(year,month-1,date,hh,mm,ss);
	return newdate.getTime();
	}

// ------------------------------------------------------------------
// formatDate (date_object, format)
// Returns a date in the output format specified.
// The format string uses the same abbreviations as in getDateFromFormat()
// ------------------------------------------------------------------
function formatDate(date,format) {
	format=format+"";
	var result="";
	var i_format=0;
	var c="";
	var token="";
	var y=date.getYear()+"";
	var M=date.getMonth()+1;
	var d=date.getDate();
	var E=date.getDay();
	var H=date.getHours();
	var m=date.getMinutes();
	var s=date.getSeconds();
	var yyyy,yy,MMM,MM,dd,hh,h,mm,ss,ampm,HH,H,KK,K,kk,k;
	// Convert real date parts into formatted versions
	var value=new Object();
	if (y.length < 4) {y=""+(y-0+1900);}
	value["y"]=""+y;
	value["yyyy"]=y;
	value["yy"]=y.substring(2,4);
	value["M"]=M;
	value["MM"]=LZ(M);
	value["MMM"]=MONTH_NAMES[M-1];
	value["NNN"]=MONTH_NAMES[M+11];
	value["d"]=d;
	value["dd"]=LZ(d);
	value["E"]=DAY_NAMES[E+7];
	value["EE"]=DAY_NAMES[E];
	value["H"]=H;
	value["HH"]=LZ(H);
	if (H==0){value["h"]=12;}
	else if (H>12){value["h"]=H-12;}
	else {value["h"]=H;}
	value["hh"]=LZ(value["h"]);
	if (H>11){value["K"]=H-12;} else {value["K"]=H;}
	value["k"]=H+1;
	value["KK"]=LZ(value["K"]);
	value["kk"]=LZ(value["k"]);
	if (H > 11) { value["a"]="PM"; }
	else { value["a"]="AM"; }
	value["m"]=m;
	value["mm"]=LZ(m);
	value["s"]=s;
	value["ss"]=LZ(s);
	while (i_format < format.length) {
		c=format.charAt(i_format);
		token="";
		while ((format.charAt(i_format)==c) && (i_format < format.length)) {
			token += format.charAt(i_format++);
			}
		if (value[token] != null) { result=result + value[token]; }
		else { result=result + token; }
		}
	return result;
	}

// ------------------------------------------------------------------
// Utility functions for parsing in getDateFromFormat()
// ------------------------------------------------------------------
function _isInteger(val) {
	var digits="1234567890";
	for (var i=0; i < val.length; i++) {
		if (digits.indexOf(val.charAt(i))==-1) { return false; }
		}
	return true;
	}
function _getInt(str,i,minlength,maxlength) {
	for (var x=maxlength; x>=minlength; x--) {
		var token=str.substring(i,i+x);
		if (token.length < minlength) { return null; }
		if (_isInteger(token)) { return token; }
		}
	return null;
	}



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