/*===================================================================
 Author: Matt Kruse

 View documentation, examples, and source code at:
     http://www.JavascriptToolbox.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 the web site address is kept.

 This code may NOT be distributed for download from script sites,
 open source CDs or sites, or any other distribution method. If you
 wish you share this code with others, please direct them to the
 web site above.

 Pleae do not link directly to the .js files on the server above. Copy
 the files to your own server for use with your site or webapp.
 ===================================================================*/
Date.$VERSION = 1.02;
Date.LZ = function(x){return(x<0||x>9?"":"0")+x};Date.monthNames = new Array('January','February','March','April','May','June','July','August','September','October','November','December');Date.monthAbbreviations = new Array('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');Date.dayNames = new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday');Date.dayAbbreviations = new Array('Sun','Mon','Tue','Wed','Thu','Fri','Sat');Date.preferAmericanFormat = true;if(!Date.prototype.getFullYear){Date.prototype.getFullYear = function(){var yy=this.getYear();return(yy<1900?yy+1900:yy);}}
Date.parseString = function(val, format){if(typeof(format)=="undefined" || format==null || format==""){var generalFormats=new Array('y-M-d','MMM d, y','MMM d,y','y-MMM-d','d-MMM-y','MMM d','MMM-d','d-MMM');var monthFirst=new Array('M/d/y','M-d-y','M.d.y','M/d','M-d');var dateFirst =new Array('d/M/y','d-M-y','d.M.y','d/M','d-M');var checkList=new Array(generalFormats,Date.preferAmericanFormat?monthFirst:dateFirst,Date.preferAmericanFormat?dateFirst:monthFirst);for(var i=0;i<checkList.length;i++){var l=checkList[i];for(var j=0;j<l.length;j++){var d=Date.parseString(val,l[j]);if(d!=null){return d;}}}return null;}
this.isInteger = function(val){for(var i=0;i < val.length;i++){if("1234567890".indexOf(val.charAt(i))==-1){return false;}}return true;};
this.getInt = function(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(this.isInteger(token)){return token;}}return null;};val=val+"";format=format+"";var i_val=0;var i_format=0;var c="";var token="";var token2="";var x,y;var year=new Date().getFullYear();var month=1;var date=1;var hh=0;var mm=0;var ss=0;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=this.getInt(val,i_val,x,y);if(year==null){return null;}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;var names =(token=="MMM"?(Date.monthNames.concat(Date.monthAbbreviations)):Date.monthAbbreviations);for(var i=0;i<names.length;i++){var month_name=names[i];if(val.substring(i_val,i_val+month_name.length).toLowerCase()==month_name.toLowerCase()){month=(i%12)+1;i_val += month_name.length;break;}}if((month < 1)||(month>12)){return null;}}else if(token=="EE"||token=="E"){var names =(token=="EE"?Date.dayNames:Date.dayAbbreviations);for(var i=0;i<names.length;i++){var day_name=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=this.getInt(val,i_val,token.length,2);if(month==null||(month<1)||(month>12)){return null;}i_val+=month.length;}else if(token=="dd"||token=="d"){date=this.getInt(val,i_val,token.length,2);if(date==null||(date<1)||(date>31)){return null;}i_val+=date.length;}else if(token=="hh"||token=="h"){hh=this.getInt(val,i_val,token.length,2);if(hh==null||(hh<1)||(hh>12)){return null;}i_val+=hh.length;}else if(token=="HH"||token=="H"){hh=this.getInt(val,i_val,token.length,2);if(hh==null||(hh<0)||(hh>23)){return null;}i_val+=hh.length;}else if(token=="KK"||token=="K"){hh=this.getInt(val,i_val,token.length,2);if(hh==null||(hh<0)||(hh>11)){return null;}i_val+=hh.length;hh++;}else if(token=="kk"||token=="k"){hh=this.getInt(val,i_val,token.length,2);if(hh==null||(hh<1)||(hh>24)){return null;}i_val+=hh.length;hh--;}else if(token=="mm"||token=="m"){mm=this.getInt(val,i_val,token.length,2);if(mm==null||(mm<0)||(mm>59)){return null;}i_val+=mm.length;}else if(token=="ss"||token=="s"){ss=this.getInt(val,i_val,token.length,2);if(ss==null||(ss<0)||(ss>59)){return null;}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 null;}i_val+=2;}else{if(val.substring(i_val,i_val+token.length)!=token){return null;}else{i_val+=token.length;}}}if(i_val != val.length){return null;}if(month==2){if( ((year%4==0)&&(year%100 != 0) ) ||(year%400==0) ){if(date > 29){return null;}}else{if(date > 28){return null;}}}if((month==4)||(month==6)||(month==9)||(month==11)){if(date > 30){return null;}}if(hh<12 && ampm=="PM"){hh=hh-0+12;}else if(hh>11 && ampm=="AM"){hh-=12;}return new Date(year,month-1,date,hh,mm,ss);}
Date.isValid = function(val,format){return(Date.parseString(val,format) != null);}
Date.prototype.isBefore = function(date2){if(date2==null){return false;}return(this.getTime()<date2.getTime());}
Date.prototype.isAfter = function(date2){if(date2==null){return false;}return(this.getTime()>date2.getTime());}
Date.prototype.equals = function(date2){if(date2==null){return false;}return(this.getTime()==date2.getTime());}
Date.prototype.equalsIgnoreTime = function(date2){if(date2==null){return false;}var d1 = new Date(this.getTime()).clearTime();var d2 = new Date(date2.getTime()).clearTime();return(d1.getTime()==d2.getTime());}
Date.prototype.format = function(format){format=format+"";var result="";var i_format=0;var c="";var token="";var y=this.getYear()+"";var M=this.getMonth()+1;var d=this.getDate();var E=this.getDay();var H=this.getHours();var m=this.getMinutes();var s=this.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+1900);}value["y"]=""+y;value["yyyy"]=y;value["yy"]=y.substring(2,4);value["M"]=M;value["MM"]=Date.LZ(M);value["MMM"]=Date.monthNames[M-1];value["NNN"]=Date.monthAbbreviations[M-1];value["d"]=d;value["dd"]=Date.LZ(d);value["E"]=Date.dayAbbreviations[E];value["EE"]=Date.dayNames[E];value["H"]=H;value["HH"]=Date.LZ(H);if(H==0){value["h"]=12;}else if(H>12){value["h"]=H-12;}else{value["h"]=H;}value["hh"]=Date.LZ(value["h"]);value["K"]=value["h"]-1;value["k"]=value["H"]+1;value["KK"]=Date.LZ(value["K"]);value["kk"]=Date.LZ(value["k"]);if(H > 11){value["a"]="PM";}else{value["a"]="AM";}value["m"]=m;value["mm"]=Date.LZ(m);value["s"]=s;value["ss"]=Date.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(typeof(value[token])!="undefined"){result=result + value[token];}else{result=result + token;}}return result;}
Date.prototype.getDayName = function(){return Date.dayNames[this.getDay()];}
Date.prototype.getDayAbbreviation = function(){return Date.dayAbbreviations[this.getDay()];}
Date.prototype.getMonthName = function(){return Date.monthNames[this.getMonth()];}
Date.prototype.getMonthAbbreviation = function(){return Date.monthAbbreviations[this.getMonth()];}
Date.prototype.clearTime = function(){this.setHours(0);this.setMinutes(0);this.setSeconds(0);this.setMilliseconds(0);
return this;}
Date.prototype.add = function(interval, number){if(typeof(interval)=="undefined" || interval==null || typeof(number)=="undefined" || number==null){
return this;}number = +number;if(interval=='y'){this.setFullYear(this.getFullYear()+number);}else if(interval=='M'){this.setMonth(this.getMonth()+number);}else if(interval=='d'){this.setDate(this.getDate()+number);}else if(interval=='w'){var step =(number>0)?1:-1;while(number!=0){this.add('d',step);while(this.getDay()==0 || this.getDay()==6){this.add('d',step);}number -= step;}}else if(interval=='h'){this.setHours(this.getHours() + number);}else if(interval=='m'){this.setMinutes(this.getMinutes() + number);}else if(interval=='s'){this.setSeconds(this.getSeconds() + number);}
return this;}

Date._setup = true;