// ===================================================================
// 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 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()}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};