strDefSeparator = "-"

//var strDatestyle = "US"; //United States date style
var strDatestyle = "EU";   //European date style

var strLocMonthArray = new Array(12);
strLocMonthArray[0]  = "GEN";
strLocMonthArray[1]  = "FEB";
strLocMonthArray[2]  = "MAR";
strLocMonthArray[3]  = "ABR";
strLocMonthArray[4]  = "MAI";
strLocMonthArray[5]  = "JUN";
strLocMonthArray[6]  = "JUL";
strLocMonthArray[7]  = "AGO";
strLocMonthArray[8]  = "SET";
strLocMonthArray[9]  = "OCT";
strLocMonthArray[10] = "NOV";
strLocMonthArray[11] = "DES";

var strEngMonthArray = new Array(12);
strEngMonthArray[0]  = "Jan";
strEngMonthArray[1]  = "Feb";
strEngMonthArray[2]  = "Mar";
strEngMonthArray[3]  = "Apr";
strEngMonthArray[4]  = "May";
strEngMonthArray[5]  = "Jun";
strEngMonthArray[6]  = "Jul";
strEngMonthArray[7]  = "Aug";
strEngMonthArray[8]  = "Sep";
strEngMonthArray[9]  = "Oct";
strEngMonthArray[10] = "Nov";
strEngMonthArray[11] = "Dec";

strLocInvalidDate = "Data invālida. Corregiu-la."

function checkdate(objName) {
	var datefield = objName;
	if (chkdate(objName) == false) {
		datefield.select();
		alert(strLocInvalidDate);
		datefield.focus();
		return false;
	}
	else {
		return true;
	}
}


function translateEn(fecha) {
	var strDateArray;
	strDateArray = fecha.split(strDefSeparator);
	if (strDateArray.length != 3) {
		return "";
	}
	var strMonth;
	strMonth = strDateArray[1];
	for (i = 0;12>i;i++) {
		if (strMonth.toUpperCase() == strLocMonthArray[i].toUpperCase()) {
			strMonth = strEngMonthArray[i];
			i = 12;
		}
	}
	var result;
// Always use " ". Not every separator is valid for Date object.
	result = strDateArray[0] + " " + strMonth + " " + strDateArray[2];
	return result
}


function chkdate(objName) {
	var strDate;
	var strDateArray;
	var strDay;
	var strMonth;
	var strYear;
	var intday;
	var intMonth;
	var intYear;
	var booFound = false;
	var datefield = objName;
	var strSeparatorArray = new Array("-"," ","/",".");
	var intElementNr;
	var err = 0;
	strDate = datefield.value;
	if (1 > strDate.length ) {
		return true;
	}
	for (intElementNr = 0; strSeparatorArray.length > intElementNr; intElementNr++) {
		if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1) {
			strDateArray = strDate.split(strSeparatorArray[intElementNr]);
			if (strDateArray.length != 3) {
				err = 1;
				return false;
			}
			else {
				strDay = strDateArray[0];
				strMonth = strDateArray[1];
				strYear = strDateArray[2];
			}
			booFound = true;
		}
	}
	if (booFound == false) {
		if (strDate.length>5) {
			strDay = strDate.substr(0, 2);
			strMonth = strDate.substr(2, 2);
			strYear = strDate.substr(4);
		}
		else {
			err = 1;
			return false;
		}
	}
	if (strYear.length == 2) {
		strYear = '20' + strYear;
	}
	if (strYear.length != 4) {
		err = 1;
		return false;
	}
	// US style
	if (strDatestyle == "US") {
		strTemp = strDay;
		strDay = strMonth;
		strMonth = strTemp;
	}
	intday = parseInt(strDay, 10);
	if (isNaN(intday)) {
		err = 2;
		return false;
	}
	intMonth = parseInt(strMonth, 10);
	if (isNaN(intMonth)) {
		for (i = 0;12>i;i++) {
			if (strMonth.toUpperCase() == strLocMonthArray[i].toUpperCase()) {
				intMonth = i+1;
				strMonth = strLocMonthArray[i];
				i = 12;
			}
		}
		if (isNaN(intMonth)) {
			err = 3;
			return false;
		}
	}
	intYear = parseInt(strYear, 10);
	if (isNaN(intYear)) {
		err = 4;
		return false;
	}
	if (intMonth>12 || 1 >intMonth) {
		err = 5;
		return false;
	}
	if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || 1 > intday )) {
		err = 6;
		return false;
	}
	if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || 1 > intday )) {
		err = 7;
		return false;
	}
	if (intMonth == 2) {
		if (1 > intday ) {
			err = 8;
			return false;
		}
		if (LeapYear(intYear) == true) {
			if (intday > 29) {
				err = 9;
				return false;
			}
		}
		else {
			if (intday > 28) {
				err = 10;
				return false;
			}
		}
	}
	if (strDatestyle == "US") {
		datefield.value = strLocMonthArray[intMonth-1] + strDefSeparator + intday + strDefSeparator + strYear;
	}
	else {
		datefield.value = intday + strDefSeparator + strLocMonthArray[intMonth-1] + strDefSeparator + strYear;
	}
	return true;
}


function LeapYear(intYear) {
	if (intYear % 100 == 0) {
		if (intYear % 400 == 0) { return true; }
	}
	else {
		if ((intYear % 4) == 0) { return true; }
	}
	return false;
}


function dehyphenDate(objName) {
	var strDate;
	var strDateArray;
	var strDay;
	var strMonth;
	var strYear;
	var datefield = objName;
	var strSeparatorArray = new Array("-"," ","/",".");
	var intElementNr;
	strDate = datefield;
	for (intElementNr = 0; strSeparatorArray.length > intElementNr; intElementNr++) {
		if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1) {
			strDateArray = strDate.split(strSeparatorArray[intElementNr]);
			if (strDateArray.length != 3) {
				return "";
			}
			else {
				strDay = strDateArray[0];
				strMonth = strDateArray[1];
				strYear = strDateArray[2];
				intMonth = parseInt(strMonth, 10);

			}
		}
	}
	return strDay + strDefSeparator + strEngMonthArray[intMonth-1] + strDefSeparator + strYear;
}


function LeapYear(intYear) {
	if (intYear % 100 == 0) {
		if (intYear % 400 == 0) { return true; }
	}
	else {
		if ((intYear % 4) == 0) { return true; }
	}
	return false;
}


function GetForm(theLayer, theFormName) {
	ns4 = (document.layers)?1:0;
	if (ns4) {
		var l = document.forms[theFormName];
		if (l) return l;
		return theLayer.getForm(theFormName);
	}
	else return eval("document." + theFormName);
}


function defaultDate(offset) {
	var now =    new Date();
	if (offset == -1) { // Next sunday
		offset= (7 - now.getDay()) % 7;
	}
	var mydate = new Date(now.valueOf() + offset * 1000 * 60 * 60 * 24);

	if (strDatestyle == "US") {
		return strLocMonthArray[mydate.getMonth()] + strDefSeparator + String(mydate.getDate()) + strDefSeparator + String(mydate.getFullYear());
	}
	var retValue=String(mydate.getDate()) + strDefSeparator + strLocMonthArray[mydate.getMonth()] + strDefSeparator + String(mydate.getFullYear());
        return retValue;
}
// -->

function InitBar() {
	if (document.forms[0].elements[0].value == "") {
		document.forms[0].elements[0].value= defaultDate(0);
	}
	if (document.forms[0].elements[1].value == "") {
		document.forms[0].elements[1].value= defaultDate(-1); // -1= Proper diumenge
	}
	PlaceCursorInForm();
	return true;
}