// from javascriptpatches.js
var undefined;
function isUndefined(propy) {
  return (typeof propy == 'undefined');
}
if (isUndefined(Array.prototype.pop) == true) Array.prototype.pop = function() {
  var lastItem = undefined;
  if ( this.length > 0 ) {
     lastItem = this[this.length - 1];
     this.length--;
  }
  return lastItem;
};
if (isUndefined(Array.prototype.push) == true) Array.prototype.push = function() {
  var currentLength = this.length;
  for (var i = 0; i < arguments.length; i++)  this[currentLength + i] = arguments[i];
  return this.length;
};

function getDomain() { // returns the page's domain
  myregexp = new RegExp("(http|https)://([^/]*)/");
  var m=myregexp.exec(location.href);
  if (m==null) return null;
  var first=m[2].indexOf('.');
  if (first==m[2].lastIndexOf('.')) return m[2];
  else return m[2].substring(first+1,m[2].length);
}
function getPagename() { // returns the page's raw name sans domain, path & etc.
  var parsed=location.href.split('?');
  parsed=parsed[0].split('/');
  return parsed.pop();
}
function getParameter(parameterName) { // returns the named parameter
  var isat=location.href.indexOf('?');
  if (isat>0) {
    var a=location.href.substr(isat+1).split('&');   
    for (var i=0,j=a.length;i<j;i++) {
      var elements=a[i].split('=');
      if (elements[0]==escape(parameterName)) return unescape(elements[1]);
    }
  }
  return false;
}
function currentTime() { // current time in microseconds
 var timenow=new Date();
 return timenow.getTime();
}
function goURL(aURL) { // redirects to a URL without storing it in the browser's history
  window.location.replace(aURL); 
}
function goURLsoftly(aURL) { // redirects with history (back button)
  location.href=aURL; 
}
function getCookie(name) { // retrieves a cookie value given its name or returns 'null'
  var nameEQ=name+"=";
  var ca = document.cookie.split(';');
  for (var i=0,j=ca.length;i<j;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c=c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}
function setCookie(cookieName, cookieValue, expiresinminutes) { // supply expiresinminutes or get a sessioncookie
  var cv=new Array();
  cv.push(cookieName+"="+escape(cookieValue));
  if (expiresinminutes) {
    if (expiresinminutes!=parseInt(expiresinminutes)) expiresinminutes=0;
    var rightnow=new Date();
    var cookieExpires=new Date();
    cookieExpires.setTime(rightnow.getTime()+60000*parseInt(expiresinminutes));
    cv.push("expires=" + cookieExpires.toGMTString());
  } 
  cv.push("path=/");
  cv.push("domain=."+getDomain());
  document.cookie=cv.join(';');
}
function clearCookie(cookieName) {
  setCookie(cookieName,"");
}

function inArray(needle, haystacks) { //returns true if needle exactly matches an element in haystack array
  for (var i=0,j=haystaks.length;i<j;i++) if (haystacks[i]==needle) return true; return false;
}
function fromArray(a) { //chooses an element from an array at random
  return a[Math.floor(Math.random()*a.length)];
}
function pushUnique(a,e) { // adds element e to array a without duplicates
  if (!inArray(e,a)) a.push(e);
}
function getbrowserplatform() {
  var ua=navigator.userAgent.toLowerCase();
  if (ua.indexOf('mac')>=0) return 'mac';
  if (navigator.platform == 'Win32') return 'win';
}
function getbrowsername() {
  var ua=navigator.userAgent.toLowerCase();
  if (ns.indexOf('opera')>=0) return 'opera';
  if (ns.indexOf('gecko')>=0) return 'gecko';
  if (navigator.appName == 'Microsoft Internet Explorer') return 'ie';
  if (navigator.appName == 'Netscape') return 'ns';
}
function getbrowserversion() {
  return (parseFloat(navigator.appVersion.substr(21)) || parseFloat(navigator.appVersion));
}

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 LZ(x){
	return(x<0||x>9?"":"0")+x
}
function isDate(val,format){
	var date=getDateFromFormat(val,format);
	if(date==0){
		return false;
	}
	return true;
}
function compareDates(date1,dateformat1,date2,dateformat2){
	var d1=getDateFromFormat(date1,dateformat1);
	var d2=getDateFromFormat(date2,dateformat2);
	if(d1==0 || d2==0){
		return -1;
	}
	else if(d1 > d2){
		return 1;
	}
	return 0;
}
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;
	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;
}
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;
}
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){
		c=format.charAt(i_format);
		token="";
		while((format.charAt(i_format)==c) &&(i_format < format.length)){
			token += format.charAt(i_format++);
		}
		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>7){
					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(i_val != val.length){
		return 0;
	}
	if(month==2){
		if( ((year%4==0)&&(year%100 != 0) ) ||(year%400==0) ){
			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;
		}
	}
	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;
}
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;
}