/* $Id$ $URL$ */
var hourMSecs = 3600*1000;
var secondsPerMinute = 60;
var minutesPerHour = 60;

/**
* no comment needed
*/
function isInArray(myArray, intValue) {

	for (var i = 0, i_cmp = myArray.length; i < i_cmp; i++) {
		if (myArray[i] == intValue) {
			return true;
		}
	}		
	return false;
}

/*
 * This function gets called when the end-user clicks on some date.
 *
 * @Deprecated
 */
function selected(cal, date) {
    // Pedro A. : Lets pass the date in a Ymd format and let our formatDate function to the rest.
    cal.sel.value = (cal.date.print("%Y%m%d%H%M"));
    setDate(cal.form, cal.sel.name);
    if (cal.dateClicked && (cal.sel.id == "ini_date" || cal.sel.id == "end_date"))
    // if we add this call we close the calendar on single-click.
    cal.callCloseHandler();
}

function selected_new(cal, date) {
    // Pedro A. : Lets pass the date in a Ymd format and let our formatDate function to the rest.
    cal.sel.value = (cal.date.print("%Y%m%d%H%M"));
    setDate_new(cal.form, cal.sel.name);
    if (cal.dateClicked && (cal.sel.id == "ini_date" || cal.sel.id == "end_date"))
    // if we add this call we close the calendar on single-click.
    cal.callCloseHandler();
}

// And this gets called when the end-user clicks on the _selected_ date,
// or clicks on the "Close" button.  It just hides the calendar without
// destroying it.
function closeHandler(cal) {
  cal.hide();                        // hide the calendar
  _dynarch_popupCalendar = null;
}

// This function shows the calendar under the element having the given id.
// It takes care of catching "mousedown" signals on document and hiding the
// calendar if the click was outside.
function showCalendar(id, format, form_name, showsTime, showsOtherMonths, newSelector) {
  var el = document.getElementById(id);
  if (_dynarch_popupCalendar != null) {
    // we already have some calendar created
    _dynarch_popupCalendar.hide();                 // so we hide it first.
  } else {
    // first-time call, create the calendar.
    if (newSelector) {
        var cal = new Calendar(1, null, selected_new, closeHandler);
    } else {
        var cal = new Calendar(1, null, selected, closeHandler);
    }

    cal.weekNumbers = true;
    if (typeof showsTime == "string") {
      cal.showsTime = true;
      cal.time24 = (showsTime == "24");
    }
    if (showsOtherMonths) {
      cal.showsOtherMonths = true;
    }
    _dynarch_popupCalendar = cal;                  // remember it in the global var
    cal.setRange(1900, 2070);        // min/max year allowed.
    cal.create();
  }
  _dynarch_popupCalendar.setDateFormat(format);    // set the specified date format
  _dynarch_popupCalendar.parseDate(el.value);      // try to parse the text in field
  _dynarch_popupCalendar.sel = el;                 // inform it what input field we use
  _dynarch_popupCalendar.form = form_name;         // inform it what form we use

  // the reference element that we pass to showAtElement is the button that
  // triggers the calendar.  In this example we align the calendar bottom-right
  // to the button.
  _dynarch_popupCalendar.showAtElement(el, "Bl");        // show the calendar

  return false;
}

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 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 Y, 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["Y"]=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["b"]=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;
}

// ------------------------------------------------------------------
// Utility functions for parsing in getDateFromFormat()
// ------------------------------------------------------------------
function _isInteger(val) {
	var digits="1234567890";
	for (var i=0, i_cmp=val.length; i < i_cmp; 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;
}

// ------------------------------------------------------------------
// getDateFromFormat( date_string , format_string )
//
// This function takes a date string and a format string. It matches
// If the date string matches the format string, it returns the 
// getTime() of the date. If it does not match, it returns 0.
// ------------------------------------------------------------------
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) {
		// Get next token from format string
		c=format.charAt(i_format);
		token="";
		while ((format.charAt(i_format)==c) && (i_format < format.length)) {
			token += format.charAt(i_format++);
		}
		// Extract contents of value based on format token
		if (token=="yyyy" || token=="yy" || token=="y" || token=="Y") {
			if (token=="Y") { x=4;y=4; }
			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_cmp=MONTH_NAMES.length; i<i_cmp; 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_cmp=DAY_NAMES.length; i<i_cmp; 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 there are any trailing characters left in the value, it doesn't match
	if (i_val != val.length) { return 0; }
	// Is date valid for month?
	if (month==2) {
		// Check for leap year
		if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { // leap year
			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; }
	}
	// Correct hours value
	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 convertHours(intSeconds) {
    var minutes = convertMinutes(intSeconds);
    var hours = Math.floor(minutes/minutesPerHour);
    return hours;
}

function convertMinutes(intSeconds) {
    return Math.floor(intSeconds/secondsPerMinute);
}

function getRemainingSeconds(intTotalSeconds) {
    return (intTotalSeconds%secondsPerMinute);
}

function getRemainingMinutes(intSeconds) {
    var intTotalMinutes = convertMinutes(intSeconds);
    return (intTotalMinutes%minutesPerHour);
}

function HM2Seconds(HM) { // h:m
    var A = HM.split(/\D+/);
    var H = A[0]; 
    var M = A[1]; 

    if (parseInt(H, 10) > 23 && parseInt(H, 10) < 0) H = 0;
    if (parseInt(M, 10) > 59 && parseInt(M, 10) < 0) M = 0;

    return (H*60 + +M)*60; 
}

function seconds2HM(intSecondsToConvert) {
    var hours = convertHours(intSecondsToConvert);
    if (parseInt(hours,10) < 10) hours = '0' + hours;    
    var minutes = getRemainingMinutes(intSecondsToConvert);
    minutes = (minutes == 60) ? '0' : minutes;
    if (parseInt(minutes,10) < 10) minutes = '0' + minutes;    
    var seconds = getRemainingSeconds(intSecondsToConvert);
    return hours+":"+minutes;
}