// ===================================================================
// 
// WWW: http://www.mattkruse.com/
//
// 
// ===================================================================

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);
        //alert("token :" + token);
        if(token.length < minlength){
            //alert("Why am I here:1");
            return null;
        }
        if(_isInteger(token)){
            //alert("Why am I here:2");
            return token;
        }
    }
    //alert("Why am I here3");
    return null;
}
function getDateFromFormat(val,format){
    //alert("val:"  + val);
    //alert("format:"  + 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"){
                //alert("I should be here");
                x=token.length;y=4;
            }
            year=_getInt(val,i_val,x,y);
            
            //alert("year is :" + year);
            
            if(year==null){
                return 0;
            }
            i_val += year.length;
            if(year.length==2 || year.length==1){
                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');
    //generalFormats=new Array('y-M-d','MMM d, y','MMM d,y','y-MMM-d','d-MMM-y','MMM d');
    //dateFirst =new Array('d/M/y','d-M-y','d.M.y','d-MMM','d/M','d-M');
    
    //monthYearOnly =new Array('MMyy','MMyyyy','MM/yy','MM/yyyy');
    
    monthFirst=new Array('M/d/y','MM/dd/yy','MM/dd/yyyy','MMddyy','MMddyyyy','M/d/yy','M-d-y','MM-dd-yy','MM-dd-yyyy','M-d-yy','MM/yyyy');
    
    var checkList=new Array('monthFirst');
    
    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);
            }
            else{
                //alert(val + ' is an invalid date format');
                //return null;
            }
        }
    }
    alert(val + ' is an invalid date format');
    return null;
}


function parseMMYY(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');
    //generalFormats=new Array('y-M-d','MMM d, y','MMM d,y','y-MMM-d','d-MMM-y','MMM d');
    //dateFirst =new Array('d/M/y','d-M-y','d.M.y','d-MMM','d/M','d-M');
    
    monthYearOnly =new Array('MMyy','MMyyyy','MM/yy','MM/yyyy');
    
    //monthFirst=new Array('M/d/y','MM/dd/yy','MM/dd/yyyy','MMddyy','MMddyyyy','M/d/yy','M-d-y','MM-dd-yy','MM-dd-yyyy','M-d-yy');
    
    var checkList=new Array('monthYearOnly');
    
    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);
            }
            else{
                //alert(val + ' is an invalid date format');
                //return null;
            }
        }
    }
    alert(val + ' is an invalid date format');
    return null;
}

function parseTime(val){
    var preferEuro=(arguments.length==2)?arguments[1]:false;
    
    //to handle hmm scenario for client requirements hmm
    //dont worry if client intended hhm. not required by requriements.
    
    if(val != '' && val.length ==3){
        val = '0'+val;
    }
    
    houFirst=new Array('hhmm','h:mm','hh:mm a','hh:m','hmm','hh:mm');
    
    var checkList=new Array('houFirst');
    
    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);
            }
            else{
                //alert(val + ' is an invalid time format');
                //return null;
            }
        }
    }
    alert(val + ' is an invalid time format');
    return null;
}

// Defect id V3DB300010352 
//Added for performing the date validations such that End date must be greater than Start Date

function compareDate(formelement,val,fieldName,errMsg){
	var fromdate;
	var todate;
	var to_date;
	var from_date;
	var toField;
	for(i=0;i<formelement.elements.length;i++){
		//alert(formelement.elements[i].name + '  ' + fieldName);
		if(formelement.elements[i].name == fieldName){
			fromdate = formelement.elements[i].value.split("/");
		}
		if(formelement.elements[i].name == val){
			todate = formelement.elements[i].value.split("/");
			toField = formelement.elements[i];
		}
		
	}
	if(fromdate != null){
		from_date = new Date(fromdate[2],fromdate[0]-1,fromdate[1]);
	}
	if(todate != null){
		to_date = new Date(todate[2],todate[0]-1,todate[1]);
	}
	
	if(to_date < from_date){
		alert(errMsg);
		toField.focus(); 
	}
}