calDateFormat    = "DD/MM/yy";
topBackground    = "#D9DFE6";         
bottomBackground = "#D9DFE6";         
tableBGColor     = "black";         
cellColor        = "#C1CBD6";     
headingCellColor = "white";         
headingTextColor = "black";         
dateColor        = "0D52A1";          
focusColor       = "#ff0000";       
hoverColor       = "#ff0000";       
fontStyle        = "bold 8pt univers, helvetica";           
headingFontStyle = "bold 8pt univers, helvetica";
bottomBorder  = false;        
tableBorder   = 0;

var isNav = false;
var isIE  = false;
if (navigator.appName == "Netscape") {
    isNav = true;
}
else {
    isIE = true;
}
if(isNav == true){
  selectedLanguage = navigator.language;
  }else{
  selectedLanguage = navigator.userLanguage;
}

function doNothing(){
}
function setDateField(dateField) {
        calDateField = dateField;
        inDate = dateField.value;
        setInitialDate();
        calDocTop    = buildTopCalFrame();
    calDocBottom = buildBottomCalFrame();
}
function setDateFields(dayField, monthField, yearField, lang) {
				selectedLanguage = lang;
		    buildCalParts();
			  calDateDay = dayField;
        calDateMonth = monthField;
        calDateYear = yearField;
        inDate = monthField.value+"/"+dayField.value+"/20"+yearField.value;

        setInitialDate();
        calDocTop    = buildTopCalFrame();
    calDocBottom = buildBottomCalFrame();
}
function setInitialDate() {
            calDate = new Date(inDate);
        if (isNaN(calDate)) {
                        calDate = new Date();
    }
        calDay  = calDate.getDate();
                calDate.setDate(1);
}
function showCalendar(dateField) {
        setDateField(dateField);
        calDocFrameset =        "<HTML><HEAD><TITLE>Kalender</TITLE></HEAD>\n" +
        "<FRAMESET ROWS='120,*' FRAMEBORDER='0' framespacing='0' border='0'>\n" +
        "  <FRAME NAME='topCalFrame' SRC='javascript:parent.opener.calDocTop' SCROLLING='no' marginwidth='0' marginheight='0'>\n" +
        "  <FRAME NAME='bottomCalFrame' SRC='javascript:parent.opener.calDocBottom' SCROLLING='no' marginwidth='0' marginheight='0'>\n" +
        "</FRAMESET>\n";
        top.newWin = window.open("javascript:parent.opener.calDocFrameset", "calWin", winPrefs);
    top.newWin.focus();
}
function buildTopCalFrame() {
        var calDoc =
        "<HTML>" +
        "<HEAD>" +
        "<link rel='stylesheet' type='text/css' href='efa.css'>"+
        "<TITLE>" + "Kalender Navigation"+
				"</TITLE>" +
			  "</HEAD>" +
        "<BODY BGCOLOR='" + topBackground + "'>" +
        "<FORM NAME='calControl' onSubmit='return false;'>" +
        "<CENTER>" +
        "<TABLE CELLPADDING=0 CELLSPACING=1 BORDER=0>" +
        "<TR><TD COLSPAN=7>"+
        "<CENTER>" +
        getMonthSelect() +
        "<INPUT class='text' NAME='year' VALUE='" + calDate.getFullYear() + "'TYPE=TEXT SIZE=4 MAXLENGTH=4 onChange='parent.opener.setYear()'>" +
        "</CENTER>" +
        "</TD>" +
        "</TR>" +
        "<TR>" +
        "<TD COLSPAN=7>" +
        "<INPUT class='button' " +
        "TYPE=BUTTON NAME='previousYear' VALUE='<<'    onClick='parent.opener.setPreviousYear()'><INPUT class='button' " +
        "TYPE=BUTTON NAME='previousMonth' VALUE=' < '   onClick='parent.opener.setPreviousMonth()'><INPUT class='button' " +
        "TYPE=BUTTON NAME='today' VALUE='"+ createToday()+"' onClick='parent.opener.setToday()'><INPUT class='button' " +
        "TYPE=BUTTON NAME='nextMonth' VALUE=' > '   onClick='parent.opener.setNextMonth()'><INPUT class='button' " +
        "TYPE=BUTTON NAME='nextYear' VALUE='>>'    onClick='parent.opener.setNextYear()'>" +
        "</TD>" +
        "</TR>" +
        "</TABLE>" +
        "</CENTER>" +
        "</FORM>" +
        "</BODY>" +
        "</HTML>";
    return calDoc;
}
function buildBottomCalFrame() {
        var calDoc = calendarBegin;
        month   = calDate.getMonth();
    year    = calDate.getFullYear();
        day     = calDay;
    var i   = 0;
        var days = getDaysInMonth();
        if (day > days) {
        day = days;
    }
        var firstOfMonth = new Date (year, month, 1);
        var startingPos  = firstOfMonth.getDay();
    days += startingPos;
        var columnCount = 0;
        for (i = 0; i < startingPos; i++) {
        calDoc += blankCell;
	columnCount++;
    }
        var currentDay = 0;
    var dayType    = "weekday";
        for (i = startingPos; i < days; i++) {
	var paddingChar = "&nbsp;";
                if (i-startingPos+1 < 10) {
            padding = "&nbsp;&nbsp;";
        }
        else {
            padding = "&nbsp;";
        }
                currentDay = i-startingPos+1;
                if (currentDay == day) {
            dayType = "focusDay";
        }
        else {
            dayType = "weekDay";
        }
                calDoc += "<TD align=center bgcolor='" + cellColor + "'>" +
                  "<a class='" + dayType + "' href='javascript:parent.opener.returnDate(" +                  currentDay + ")'>" + padding + currentDay + paddingChar + "</a></TD>";
        columnCount++;
                if (columnCount % 7 == 0) {
            calDoc += "</TR><TR>";
        }
    }
        for (i=days; i<42; i++)  {
        calDoc += blankCell;
	columnCount++;
                if (columnCount % 7 == 0) {
            calDoc += "</TR>";
            if (i<41) {
                calDoc += "<TR>";
            }
        }
    }
        calDoc += calendarEnd;
        return calDoc;
}
function writeCalendar() {
        calDocBottom = buildBottomCalFrame();
        top.newWin.frames['bottomCalFrame'].document.open();
    top.newWin.frames['bottomCalFrame'].document.write(calDocBottom);
    top.newWin.frames['bottomCalFrame'].document.close();
}
function setToday() {
        calDate = new Date();
        var month = calDate.getMonth();
    var year  = calDate.getFullYear();
        top.newWin.frames['topCalFrame'].document.calControl.month.selectedIndex = month;
        top.newWin.frames['topCalFrame'].document.calControl.year.value = year;
        writeCalendar();
}
function setYear() {
        var year  = top.newWin.frames['topCalFrame'].document.calControl.year.value;
        if (isFourDigitYear(year)) {
        calDate.setFullYear(year);
        writeCalendar();
    }
    else {
                top.newWin.frames['topCalFrame'].document.calControl.year.focus();
        top.newWin.frames['topCalFrame'].document.calControl.year.select();
    }
}
function setCurrentMonth() {
        var month = top.newWin.frames['topCalFrame'].document.calControl.month.selectedIndex;
    calDate.setMonth(month);
    writeCalendar();
}
function setPreviousYear() {
    var year  = top.newWin.frames['topCalFrame'].document.calControl.year.value;
    if (isFourDigitYear(year) && year > 1000) {
        year--;
        calDate.setFullYear(year);
        top.newWin.frames['topCalFrame'].document.calControl.year.value = year;
        writeCalendar();
    }
}
function setPreviousMonth() {
    var year  = top.newWin.frames['topCalFrame'].document.calControl.year.value;
    if (isFourDigitYear(year)) {
        var month = top.newWin.frames['topCalFrame'].document.calControl.month.selectedIndex;
                if (month == 0) {
            month = 11;
            if (year > 1000) {
                year--;
                calDate.setFullYear(year);
                top.newWin.frames['topCalFrame'].document.calControl.year.value = year;
            }
        }
        else {
            month--;
        }
        calDate.setMonth(month);
        top.newWin.frames['topCalFrame'].document.calControl.month.selectedIndex = month;
        writeCalendar();
    }
}
function setNextMonth() {
    var year = top.newWin.frames['topCalFrame'].document.calControl.year.value;
    if (isFourDigitYear(year)) {
        var month = top.newWin.frames['topCalFrame'].document.calControl.month.selectedIndex;
                if (month == 11) {
            month = 0;
            year++;
            calDate.setFullYear(year);
            top.newWin.frames['topCalFrame'].document.calControl.year.value = year;
        }
        else {
            month++;
        }
        calDate.setMonth(month);
        top.newWin.frames['topCalFrame'].document.calControl.month.selectedIndex = month;
        writeCalendar();
    }
}
function setNextYear() {
    var year  = top.newWin.frames['topCalFrame'].document.calControl.year.value;
    if (isFourDigitYear(year)) {
        year++;
        calDate.setFullYear(year);
        top.newWin.frames['topCalFrame'].document.calControl.year.value = year;
        writeCalendar();
    }
}
function getDaysInMonth()  {
    var days;
    var month = calDate.getMonth()+1;
    var year  = calDate.getFullYear();
        if (month==1 || month==3 || month==5 || month==7 || month==8 ||
        month==10 || month==12)  {
        days=31;
    }
        else if (month==4 || month==6 || month==9 || month==11) {
        days=30;
    }
        else if (month==2)  {
        if (isLeapYear(year)) {
            days=29;
        }
                else {
            days=28;
        }
    }
    return (days);
}
function isLeapYear (Year) {
    if (((Year % 4)==0) && ((Year % 100)!=0) || ((Year % 400)==0)) {
        return (true);
    }
    else {
        return (false);
    }
}
function isFourDigitYear(year) {
    if (year.length != 4) {
        top.newWin.frames['topCalFrame'].document.calControl.year.value = calDate.getFullYear();
        top.newWin.frames['topCalFrame'].document.calControl.year.select();
        top.newWin.frames['topCalFrame'].document.calControl.year.focus();
    }
    else {
        return true;
    }
}
function getMonthSelect() {
        if (selectedLanguage == "fr") {
        monthArray = new Array('Janvier', 'Février', 'Mars', 'Avril', 'Mai', 'Juin',
                               'Juillet', 'Aout', 'Septembre', 'Octobre', 'Novembre', 'Décembre');
    }
        else if (selectedLanguage == "de") {
        monthArray = new Array('Januar', 'Februar', 'März', 'April', 'Mai', 'Juni',
                               'Juli', 'August', 'September', 'Oktober', 'November', 'Dezember');
    }
        else if (selectedLanguage == "es") {
        monthArray = new Array('Enero', 'Febrero', 'Marzo', 'Abril', 'Mayo', 'Junio',
                               'Julio', 'Agosto', 'Septiembre', 'Octubre', 'Noviembre', 'Diciembre');
    }
        else {
        monthArray = new Array('January', 'February', 'March', 'April', 'May', 'June',
                               'July', 'August', 'September', 'October', 'November', 'December');
    }
        var activeMonth = calDate.getMonth();
        monthSelect = "<SELECT class='text' NAME='month' onChange='parent.opener.setCurrentMonth()'>";
        for (i in monthArray) {
                if (i == activeMonth) {
            monthSelect += "<OPTION SELECTED>" + monthArray[i] + "\n";
        }
        else {
            monthSelect += "<OPTION>" + monthArray[i] + "\n";
        }
    }
    monthSelect += "</SELECT>";
        return monthSelect;
}
function createWeekdayList() {
        if (selectedLanguage == "fr") {
        weekdayList  = new Array('Dimanche', 'Lundi', 'Mardi', 'Mercredi', 'Jeudi', 'Vendredi', 'Samedi');
        weekdayArray = new Array('Di', 'Lu', 'Ma', 'Me', 'Je', 'Ve', 'Sa');
    }
        else if (selectedLanguage == "de") {
        weekdayList  = new Array('Sonntag', 'Montag', 'Dienstag', 'Mittwoch', 'Donnerstag', 'Freitag', 'Samstag');
        weekdayArray = new Array('So', 'Mo', 'Di', 'Mi', 'Do', 'Fr', 'Sa');
    }
        else if (selectedLanguage == "es") {
        weekdayList  = new Array('Domingo', 'Lunes', 'Martes', 'Miércoles', 'Jueves', 'Viernes', 'Sábado')
        weekdayArray = new Array('Do', 'Lu', 'Ma', 'Mi', 'Ju', 'Vi', 'Sa');
    }
    else {
        weekdayList  = new Array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday');
        weekdayArray = new Array('Su','Mo','Tu','We','Th','Fr','Sa');
    }
        var weekdays = "<TR BGCOLOR='" + headingCellColor + "'>";
        for (i in weekdayArray) {
        weekdays += "<TD class='heading' align=center>" + weekdayArray[i] + "</TD>";
    }
    weekdays += "</TR>";
        return weekdays;
}
function createToday() {
        if (selectedLanguage == "fr") {
        today = 'Aujourd\'hui';
    }
        else if (selectedLanguage == "de") {
        today = 'Heute';    }
        else if (selectedLanguage == "es") {
        today = 'Oje';   }
    else {
        today = 'Today';   }
    return today;
}
function buildCalParts() {
        weekdays = createWeekdayList();
        blankCell = "<TD align=center bgcolor='" + cellColor + "'>&nbsp;&nbsp;&nbsp;</TD>";
        calendarBegin =
        "<HTML>" +
        "<HEAD>" +
                "<STYLE type='text/css'>" +
        "<!--" +
        "TD.heading { text-decoration: none; color:" + headingTextColor + "; text-decoration: none; font: " + headingFontStyle + "; }" +
        "A.focusDay:link { color: " + focusColor + "; text-decoration: none; font: " + fontStyle + "; }" +
        "A.focusDay:hover { color: " + focusColor + "; text-decoration: none; font: " + fontStyle + "; }" +
        "A.focusDay:visited { color: " + focusColor + "; text-decoration: none; font: " + fontStyle + "; }" +
        "A.weekday:link { color: " + dateColor + "; text-decoration: none; font: " + fontStyle + "; }" +
        "A.weekday:hover { color: " + hoverColor + "; text-decoration: none; font: " + fontStyle + "; }" +
        "A.weekday { color: " + dateColor + "; text-decoration: none; font: " + fontStyle + "; }" +
        "-->" +
        "</STYLE>" +
         "<TITLE>" + "Kalender Blatt"+
				"</TITLE>" +
				"</HEAD>" +
        "<BODY BGCOLOR='" + bottomBackground + "'>" +
        "<CENTER>";
                if (isNav) {
            calendarBegin +=                "<TABLE CELLPADDING=0 CELLSPACING=1 BORDER=" + tableBorder + " ALIGN=CENTER BGCOLOR='" + tableBGColor + "'><TR><TD>";
        }
                calendarBegin +=
            "<TABLE CELLPADDING=0 CELLSPACING=1 BORDER=" + tableBorder + " ALIGN=CENTER BGCOLOR='" + tableBGColor + "'>" +
            weekdays +
            "<TR>";
        calendarEnd = "";
                if (bottomBorder) {
            calendarEnd += "<TR></TR>";
        }
                if (isNav) {
            calendarEnd += "</TD></TR></TABLE>";
        }
                calendarEnd +=
            "</TABLE>" +
            "</CENTER>" +
            "</BODY>" +
            "</HTML>";
}
function jsReplace(inString, find, replace) {
    var outString = "";
    if (!inString) {
        return "";
    }
        if (inString.indexOf(find) != -1) {
                t = inString.split(find);
                return (t.join(replace));
    }
    else {
        return inString;
    }
}
function makeTwoDigit(inValue) {
    var numVal = parseInt(inValue, 10);
        if (numVal < 10) {
                return("0" + numVal);
    }
    else {
        return numVal;
    }
}
function returnDate(inDay)
{
        calDate.setDate(inDay);
        var day           = calDate.getDate();
    var month         = calDate.getMonth()+1;
    var year          = calDate.getFullYear();
    var monthString   = monthArray[calDate.getMonth()];
    var monthAbbrev   = monthString.substring(0,3);
    var weekday       = weekdayList[calDate.getDay()];
    var weekdayAbbrev = weekday.substring(0,3);
    outDate = calDateFormat;
        if (calDateFormat.indexOf("DD") != -1) {
        day = makeTwoDigit(day);
        outDate = jsReplace(outDate, "DD", day);
    }
        else if (calDateFormat.indexOf("dd") != -1) {
        outDate = jsReplace(outDate, "dd", day);
    }
        if (calDateFormat.indexOf("MM") != -1) {
        month = makeTwoDigit(month);
        outDate = jsReplace(outDate, "MM", month);
    }
        else if (calDateFormat.indexOf("mm") != -1) {
        outDate = jsReplace(outDate, "mm", month);
    }
        if (calDateFormat.indexOf("yyyy") != -1) {
        outDate = jsReplace(outDate, "yyyy", year);
    }
        else if (calDateFormat.indexOf("yy") != -1) {
        var yearString = "" + year;
        var yearString = yearString.substring(2,4);
        outDate = jsReplace(outDate, "yy", yearString);
    }
        else if (calDateFormat.indexOf("YY") != -1) {
        outDate = jsReplace(outDate, "YY", year);
    }
        if (calDateFormat.indexOf("Month") != -1) {
        outDate = jsReplace(outDate, "Month", monthString);
    }
        else if (calDateFormat.indexOf("month") != -1) {
        outDate = jsReplace(outDate, "month", monthString.toLowerCase());
    }
        else if (calDateFormat.indexOf("MONTH") != -1) {
        outDate = jsReplace(outDate, "MONTH", monthString.toUpperCase());
    }
        if (calDateFormat.indexOf("Mon") != -1) {
        outDate = jsReplace(outDate, "Mon", monthAbbrev);
    }
        else if (calDateFormat.indexOf("mon") != -1) {
        outDate = jsReplace(outDate, "mon", monthAbbrev.toLowerCase());
    }
        else if (calDateFormat.indexOf("MON") != -1) {
        outDate = jsReplace(outDate, "MON", monthAbbrev.toUpperCase());
    }
        if (calDateFormat.indexOf("Weekday") != -1) {
        outDate = jsReplace(outDate, "Weekday", weekday);
    }
        else if (calDateFormat.indexOf("weekday") != -1) {
        outDate = jsReplace(outDate, "weekday", weekday.toLowerCase());
    }
        else if (calDateFormat.indexOf("WEEKDAY") != -1) {
        outDate = jsReplace(outDate, "WEEKDAY", weekday.toUpperCase());
    }
        if (calDateFormat.indexOf("Wkdy") != -1) {
        outDate = jsReplace(outDate, "Wkdy", weekdayAbbrev);
    }
        else if (calDateFormat.indexOf("wkdy") != -1) {
        outDate = jsReplace(outDate, "wkdy", weekdayAbbrev.toLowerCase());
    }
        else if (calDateFormat.indexOf("WKDY") != -1) {
        outDate = jsReplace(outDate, "WKDY", weekdayAbbrev.toUpperCase());
    }
    calDateDay.value= outDate.substring(0,2);
    calDateMonth.value = outDate.substring(3,5);
    calDateYear.value = outDate.substring(6,8);
        top.newWin.close();
}
function initDateTime(dayField, monthField, yearField, hourField, minuteField)
{
    if(hourField == null || minuteField == null){
    		inDate = monthField.value+"/"+dayField.value+"/20"+yearField.value;
		}else{
        inDate = monthField.value+"/"+dayField.value+"/20"+yearField.value+" "+hourField.value+":"+minuteField.value;
		}
    setInitialDate();
    var day           = calDay;
    var month         = calDate.getMonth()+1;
    var year          = calDate.getFullYear();
    var yearString 		= "" + year;
    var yearString 		= yearString.substring(2,4);
		var hour 			 	  = calDate.getHours();
		var minutes 			= calDate.getMinutes();
		hour = makeTwoDigit(hour);
		minutes = makeTwoDigit(minutes);
		day = makeTwoDigit(day);
    month = makeTwoDigit(month);
		dayField.value = day;
		monthField.value = month;
		yearField.value = yearString;
		if(hourField != null && minuteField != null){
		   hourField.value = hour;
		   minuteField.value = minutes;
		}
}

