DateFormat=Class.create();Object.extend(DateFormat,{MONTH_NAMES:['January','February','March','April','May','June','July','August','September','October','November','December','Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'],DAY_NAMES:['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sun','Mon','Tue','Wed','Thu','Fri','Sat'],LZ:function(x){return(x<0||x>9?"":"0")+x},compareDates:function(date1,dateformat1,date2,dateformat2){var d1=DateFormat.parseFormat(date1,dateformat1);var d2=DateFormat.parseFormat(date2,dateformat2);if(d1==0||d2==0)return-1;else if(d1>d2)return 1;return 0;},format:function(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"]=DateFormat.LZ(M);value["MMM"]=DateFormat.MONTH_NAMES[M-1];value["NNN"]=DateFormat.MONTH_NAMES[M+11];value["d"]=d;value["dd"]=DateFormat.LZ(d);value["E"]=DateFormat.DAY_NAMES[E+7];value["EE"]=DateFormat.DAY_NAMES[E];value["H"]=H;value["HH"]=DateFormat.LZ(H);if(H==0){value["h"]=12;}
else if(H>12){value["h"]=H-12;}
else{value["h"]=H;}
value["hh"]=DateFormat.LZ(value["h"]);if(H>11){value["K"]=H-12;}else{value["K"]=H;}
value["k"]=H+1;value["KK"]=DateFormat.LZ(value["K"]);value["kk"]=DateFormat.LZ(value["k"]);if(H>11){value["a"]="PM";}
else{value["a"]="AM";}
value["m"]=m;value["mm"]=DateFormat.LZ(m);value["s"]=s;value["ss"]=DateFormat.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+=value[token];else result+=token;}
return result;},_isInteger:function(val){var digits="1234567890";for(var i=0;i<val.length;i++)
if(digits.indexOf(val.charAt(i))==-1)return false;return true;},_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(DateFormat._isInteger(token))return token;}
return null;},parseFormat:function(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=DateFormat._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<DateFormat.MONTH_NAMES.length;i++){var month_name=DateFormat.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<DateFormat.DAY_NAMES.length;i++){var day_name=DateFormat.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=DateFormat._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=DateFormat._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=DateFormat._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=DateFormat._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=DateFormat._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=DateFormat._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=DateFormat._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=DateFormat._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;},parse:function(val,format){if(format){return DateFormat.parseFormat(val,format);}else{var preferEuro=(arguments.length==2)?arguments[1]:false;var generalFormats=new Array('y-M-d','MMM d, y','MMM d,y','y-MMM-d','d-MMM-y','MMM d');var monthFirst=new Array('M/d/y','M-d-y','M.d.y','MMM-d','M/d','M-d');var dateFirst=new Array('d/M/y','d-M-y','d.M.y','d-MMM','d/M','d-M');var checkList=[generalFormats,preferEuro?dateFirst:monthFirst,preferEuro?monthFirst:dateFirst];var d=null;for(var i=0;i<checkList.length;i++){var l=checkList[i];for(var j=0;j<l.length;j++){d=DateFormat.parseFormat(val,l[j]);if(d!=0)return new Date(d);}}
return null;}}});DateFormat.prototype={initialize:function(format){this.format=format;},parse:function(value){return DateFormat.parseFormat(value,this.format);},format:function(value){return DateFormat.format(value,this.format);}}
Date.prototype.format=function(format){return DateFormat.format(this,format);}