// ===================================================================
// Author: Matt Kruse <matt@mattkruse.com>
// WWW: http://www.mattkruse.com/
//
// NOTICE: You may use this code for any purpose, commercial or
// private, without any further permission from the author. You may
// remove this notice from your final code if you wish, however it is
// appreciated by the author if at least my web site address is kept.
//
// You may *NOT* re-distribute this code in any way except through its
// use. That means, you can include it in your product, or your web
// site, or any other form where the code is actually being used. You
// may not put the plain javascript up on your site for download or
// include it in your javascript libraries for download. 
// If you wish to share this code with others, please just point them
// to the URL instead.
// Please DO NOT link directly to my .js files from your site. Copy
// the files to your server and use them there. Thank you.
// ===================================================================

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 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;}
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 > 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 (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.getTime(); }