// Title: Tigra Calendar
// URL: http://www.softcomplex.com/products/tigra_calendar/
// Version: 3.2 (European date format)
// Date: 10/14/2002 (mm/dd/yyyy)
// Feedback: feedback@softcomplex.com (specify product title in the subject)
// Note: Permission given to use this script in ANY kind of applications if
//    header lines are left unchanged.
// Note: Script consists of two files: calendar?.js and calendar.html
// About us: Our company provides offshore IT consulting services.
//    Contact us at sales@softcomplex.com if you have any programming task you
//    want to be handled by professionals. Our typical hourly rate is $20.

// if two digit year input dates after this year considered 20 century.
var NUM_CENTYEAR = 30;
// is time input control required by default
var BUL_TIMECOMPONENT = false;
// are year scrolling buttons required by default
var BUL_YEARSCROLL = true;

var calendars = [];
var RE_NUM = /^\-?\d+$/;


function calendar1(obj_target) {

	// assing methods
	this.gen_date = cal_gen_date1;
	this.gen_time = cal_gen_time1;
	this.gen_tsmp = cal_gen_tsmp1;
	this.prs_date = cal_prs_date1;
	this.prs_time = cal_prs_time1;
	this.prs_tsmp = cal_prs_tsmp1;
	this.popup    = cal_popup1;

	// validate input parameters
	if (!obj_target)
		return cal_error("Error de llamada al calendario: ninguna cibla especificada");
	if (obj_target.value == null)
		return cal_error("Error de llamada al calendario: parametero especificado no valido");
	this.target = obj_target;
	this.time_comp = BUL_TIMECOMPONENT;
	this.year_scroll = BUL_YEARSCROLL;
	
	// register in global collections
	this.id = calendars.length;
	calendars[this.id] = this;
}

function cal_popup1 (str_datetime) {
	this.dt_current = this.prs_tsmp(str_datetime ? str_datetime : this.target.value);
	if (!this.dt_current) return;
	
	//var obj_calwindow = window.open(
	//	'../calendar/calendar.html?datetime=' + this.dt_current.valueOf()+ '&id=' + this.id,
	//	'Calendar', 'width=200,height='+(this.time_comp ? 215 : 190)+
	//	',status=no,resizable=no,top=200,left=200,dependent=yes,alwaysRaised=yes'
	//);
	
	// 23-05-05: Cambiada la ruta de acceso a calendar.html
	var obj_calwindow = window.open(
		'./js_lib/calendar/calendar.html?datetime=' + this.dt_current.valueOf()+ '&id=' + this.id,
		'Calendar', 'width=200,height='+(this.time_comp ? 215 : 190)+
		',status=no,resizable=no,top=200,left=200,dependent=yes,alwaysRaised=yes'
	);
	obj_calwindow.opener = window;
	obj_calwindow.focus();
}

// timestamp generating function
function cal_gen_tsmp1 (dt_datetime) {
	return(this.gen_date(dt_datetime) + ' ' + this.gen_time(dt_datetime));
}

// date generating function
function cal_gen_date1 (dt_datetime) {
	return (
		(dt_datetime.getDate() < 10 ? '0' : '') + dt_datetime.getDate() + "/"
		+ (dt_datetime.getMonth() < 9 ? '0' : '') + (dt_datetime.getMonth() + 1) + "/"
		+ dt_datetime.getFullYear()
	);
}
// time generating function
function cal_gen_time1 (dt_datetime) {
	return (
		(dt_datetime.getHours() < 10 ? '0' : '') + dt_datetime.getHours() + ":"
		+ (dt_datetime.getMinutes() < 10 ? '0' : '') + (dt_datetime.getMinutes()) + ":"
		+ (dt_datetime.getSeconds() < 10 ? '0' : '') + (dt_datetime.getSeconds())
	);
}

// timestamp parsing function
function cal_prs_tsmp1 (str_datetime) {
	// if no parameter specified return current timestamp
	if (!str_datetime)
		return (new Date());

	// if positive integer treat as milliseconds from epoch
	if (RE_NUM.exec(str_datetime))
		return new Date(str_datetime);
		
	// else treat as date in string format
	var arr_datetime = str_datetime.split(' ');
	return this.prs_time(arr_datetime[1], this.prs_date(arr_datetime[0]));
}

// date parsing function
function cal_prs_date1 (str_date) {

	var arr_date = str_date.split('-');

	if (arr_date.length != 3) return cal_error ("formato de fecha invalido: '" + str_date + "'.\nFormato valido es dd-mm-yyyy.");
	if (!arr_date[0]) return cal_error ("formato de fecha invalido: '" + str_date + "'.\nEl dia no puede ser identificado.");
	if (!RE_NUM.exec(arr_date[0])) return cal_error ("valor del dia del mes invalido: '" + arr_date[0] + "'.\nEl valor no es numerico.");
	if (!arr_date[1]) return cal_error ("formato de fecha invalido: '" + str_date + "'.\nEl mes no puede ser identificado.");
	if (!RE_NUM.exec(arr_date[1])) return cal_error ("formato de mes invalido: '" + arr_date[1] + "'.\nEl valor no es numerico.");
	if (!arr_date[2]) return cal_error ("formato de fecha invalido: '" + str_date + "'.\nEl ņo no puede ser identificado.");
	if (!RE_NUM.exec(arr_date[2])) return cal_error ("formato de aņo invalido: '" + arr_date[2] + "'.\nEl valor no es numerico.");

	var dt_date = new Date();
	dt_date.setDate(1);

	if (arr_date[1] < 1 || arr_date[1] > 12) return cal_error ("Valor del mes invalido: '" + arr_date[1] + "'.\nEl valor tiene que ser superior o igual a 01 y inferior o igual a 12.");
	dt_date.setMonth(arr_date[1]-1);
	 
	if (arr_date[2] < 100) arr_date[2] = Number(arr_date[2]) + (arr_date[2] < NUM_CENTYEAR ? 2000 : 1900);
	dt_date.setFullYear(arr_date[2]);

	var dt_numdays = new Date(arr_date[2], arr_date[1], 0);
	dt_date.setDate(arr_date[0]);
	if (dt_date.getMonth() != (arr_date[1]-1)) return cal_error ("Valor del dia del mes invalido: '" + arr_date[0] + "'.\nValor de 01-"+dt_numdays.getDate()+".");

	return (dt_date)
}

// time parsing function
function cal_prs_time1 (str_time, dt_date) {

	if (!dt_date) return null;
	var arr_time = String(str_time ? str_time : '').split(':');

	if (!arr_time[0]) dt_date.setHours(0);
	else if (RE_NUM.exec(arr_time[0])) 
		if (arr_time[0] < 24) dt_date.setHours(arr_time[0]);
		else return cal_error ("Valor de la hora incorrecta: '" + arr_time[0] + "'.\nEl valor tiene que ser superior o igual a 00 y inferior o igual a 23.");
	else return cal_error ("Valor de la hora incorrecta: '" + arr_time[0] + "'.\nEl valor tiene que ser entero.");
	
	if (!arr_time[1]) dt_date.setMinutes(0);
	else if (RE_NUM.exec(arr_time[1]))
		if (arr_time[1] < 60) dt_date.setMinutes(arr_time[1]);
		else return cal_error ("Valor del minuto incorrecto: '" + arr_time[1] + "'.\nEl valor tiene que ser superior o igual a 00 y inferior o igual a 59.");
	else return cal_error ("Valor del minuto incorrecto: '" + arr_time[1] + "'.\nEl valor tiene que ser entero.");

	if (!arr_time[2]) dt_date.setSeconds(0);
	else if (RE_NUM.exec(arr_time[2]))
		if (arr_time[2] < 60) dt_date.setSeconds(arr_time[2]);
		else return cal_error ("Valor del secundo incorrecto: '" + arr_time[2] + "'.\nEl valor tiene que ser superior o igual a 00 y inferior o igual a 59.");
	else return cal_error ("Valor del secundo incorrecto '" + arr_time[2] + "'.\nEl valor tiene que ser entero.");

	dt_date.setMilliseconds(0);
	return dt_date;
}

function cal_error (str_message) {
	alert (str_message);
	return null;
}


 function showDatePicker(formato,theme,form1,campo)
{
	var cadena0="document."+form1+"."+campo+".value";
	var object=eval(cadena0);
	if (object!="")
	{
		var camps=replaceSubstring(object, "/", "-")
		var cadena2="document."+form1+"."+campo+".value=camps";
		eval(cadena2)
	}
	var cadena = " new calendar1(document.forms['"+form1+"'].elements['"+campo+"'])"
	var cal3 = eval(cadena);
	cal3.year_scroll = true;
	if (formato=="timestamp")
		cal3.time_comp = true;
	else
		cal3.time_comp = false;
	cal3.popup();
}



function replaceSubstring(inputString, fromString, toString) {
   // Goes through the inputString and replaces every occurrence of fromString with toString
   var temp = inputString;
   if (fromString == "") {
      return inputString;
   }
   if (toString.indexOf(fromString) == -1) { // If the string being replaced is not a part of the replacement string (normal situation)
      while (temp.indexOf(fromString) != -1) {
         var toTheLeft = temp.substring(0, temp.indexOf(fromString));
         var toTheRight = temp.substring(temp.indexOf(fromString)+fromString.length, temp.length);
         temp = toTheLeft + toString + toTheRight;
      }
   } else { // String being replaced is part of replacement string (like "+" being replaced with "++") - prevent an infinite loop
      var midStrings = new Array("~", "`", "_", "^", "#");
      var midStringLen = 1;
      var midString = "";
      // Find a string that doesn't exist in the inputString to be used
      // as an "inbetween" string
      while (midString == "") {
         for (var i=0; i < midStrings.length; i++) {
            var tempMidString = "";
            for (var j=0; j < midStringLen; j++) { tempMidString += midStrings[i]; }
            if (fromString.indexOf(tempMidString) == -1) {
               midString = tempMidString;
               i = midStrings.length + 1;
            }
         }
      } // Keep on going until we build an "inbetween" string that doesn't exist
      // Now go through and do two replaces - first, replace the "fromString" with the "inbetween" string
      while (temp.indexOf(fromString) != -1) {
         var toTheLeft = temp.substring(0, temp.indexOf(fromString));
         var toTheRight = temp.substring(temp.indexOf(fromString)+fromString.length, temp.length);
         temp = toTheLeft + midString + toTheRight;
      }
      // Next, replace the "inbetween" string with the "toString"
      while (temp.indexOf(midString) != -1) {
         var toTheLeft = temp.substring(0, temp.indexOf(midString));
         var toTheRight = temp.substring(temp.indexOf(midString)+midString.length, temp.length);
         temp = toTheLeft + toString + toTheRight;
      }
   } // Ends the check to see if the string being replaced is part of the replacement string or not
   return temp; // Send the updated string back to the user
} // Ends the "replaceSubstring" function