<!-- Original:  Kedar R. Bhave (softricks@hotmail.com) -->
<!-- Web Site:  http://www.softricks.com -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

var weekend = [0,6];
var weekendColor = "#EEEEEE";
var fontface = "Arial, Helvetica, sans serif";
var fontsize = 2;
var calCol = window.location.search.substr(1);

var gNow = new Date();
var ggWinCal;
isNav = (navigator.appName.indexOf("Netscape") != -1) ? true : false;
isIE = (navigator.appName.indexOf("Microsoft") != -1) ? true : false;

// Non-Leap year Month days..
Calendar.DOMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
// Leap year Month days..
Calendar.lDOMonth = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

Calendar.Months = ["Januar", "Februar", "März", "April", "Mai", "Juni",
"Juli", "August", "September", "Oktober", "November", "Dezember"];

function Calendar(p_item, p_WinCal, p_month, p_year, p_format) {
        if ((p_month == null) && (p_year == null))        return;

        if (p_WinCal == null)
                this.gWinCal = ggWinCal;
        else
                this.gWinCal = p_WinCal;

        if (p_month == null) {
                this.gMonthName = null;
                this.gMonth = null;
                this.gYearly = true;
        } else {
                this.gMonthName = Calendar.get_month(p_month);
                this.gMonth = new Number(p_month);
                this.gYearly = false;
        }

        this.gYear = p_year;
        this.gFormat = p_format;
        this.gBGColor = "#FFFFFF";
        this.gFGColor = "#000000";
        this.gTextColor = "#000000";
        this.gHeaderColor = "#000000";
        this.gReturnItem = p_item;
}

Calendar.get_daysofmonth = Calendar_get_daysofmonth;
Calendar.get_month = Calendar_get_month;
Calendar.calc_month_year = Calendar_calc_month_year;
Calendar.print = Calendar_print;

function Calendar_get_daysofmonth(monthNo, p_year) {
        /*
        Check for leap year ..
        1.Years evenly divisible by four are normally leap years, except for...
        2.Years also evenly divisible by 100 are not leap years, except for...
        3.Years also evenly divisible by 400 are leap years.
        */
        if ((p_year % 4) == 0) {
                if ((p_year % 100) == 0 && (p_year % 400) != 0)
                        return Calendar.DOMonth[monthNo];

                return Calendar.lDOMonth[monthNo];
        } else
                return Calendar.DOMonth[monthNo];
}

function Calendar_get_month(monthNo) {
        return Calendar.Months[monthNo];
}

function Calendar_calc_month_year(p_Month, p_Year, incr) {
        /*
        Will return an 1-D array with 1st element being the calculated month
        and second being the calculated year
        after applying the month increment/decrement as specified by 'incr' parameter.
        'incr' will normally have 1/-1 to navigate thru the months.
        */
        var ret_arr = new Array();

        if (incr == -1) {
                // B A C K W A R D
                if (p_Month == 0) {
                        ret_arr[0] = 11;
                        ret_arr[1] = parseInt(p_Year) - 1;
                }
                else {
                        ret_arr[0] = parseInt(p_Month) - 1;
                        ret_arr[1] = parseInt(p_Year);
                }
        } else if (incr == 1) {
                // F O R W A R D
                if (p_Month == 11) {
                        ret_arr[0] = 0;
                        ret_arr[1] = parseInt(p_Year) + 1;
                }
                else {
                        ret_arr[0] = parseInt(p_Month) + 1;
                        ret_arr[1] = parseInt(p_Year);
                }
        }

        return ret_arr;
}

function Calendar_print() {
        ggWinCal.print();
}

function Calendar_calc_month_year(p_Month, p_Year, incr) {
        /*
        Will return an 1-D array with 1st element being the calculated month
        and second being the calculated year
        after applying the month increment/decrement as specified by 'incr' parameter.
        'incr' will normally have 1/-1 to navigate thru the months.
        */
        var ret_arr = new Array();

        if (incr == -1) {
                // B A C K W A R D
                if (p_Month == 0) {
                        ret_arr[0] = 11;
                        ret_arr[1] = parseInt(p_Year) - 1;
                }
                else {
                        ret_arr[0] = parseInt(p_Month) - 1;
                        ret_arr[1] = parseInt(p_Year);
                }
        } else if (incr == 1) {
                // F O R W A R D
                if (p_Month == 11) {
                        ret_arr[0] = 0;
                        ret_arr[1] = parseInt(p_Year) + 1;
                }
                else {
                        ret_arr[0] = parseInt(p_Month) + 1;
                        ret_arr[1] = parseInt(p_Year);
                }
        }

        return ret_arr;
}

// This is for compatibility with Navigator 3, we have to create and discard one object before the prototype object exists.
new Calendar();

Calendar.prototype.getMonthlyCalendarCode = function() {
        var vCode = "";
        var vHeader_Code = "";
        var vData_Code = "";

        // Begin Table Drawing code here..
        vCode = vCode + "<TABLE width='100%' BORDER=1 BGCOLOR=\"" + this.gBGColor + "\" bordercolor='#CCCCCC' CELLSPACING=0 CELLPADDING=1>";

        vHeader_Code = this.cal_header();
        vData_Code = this.cal_data();
        vCode = vCode + vHeader_Code + vData_Code;

        vCode = vCode + "</TABLE>";

        return vCode;
}

Calendar.prototype.show = function() {
        var vCode = "";

        this.gWinCal.document.open();

        // Setup the page...
        this.wwrite("<html>");
        this.wwrite("<head><title>Calendar</title>");
        this.wwrite("<link rel='stylesheet' href='1_1.css'>");
        this.wwrite("</head>");

        this.wwrite("<body " +
                "link=\"" + this.gLinkColor + "\" " +
                "vlink=\"" + this.gLinkColor + "\" " +
                "alink=\"" + this.gLinkColor + "\" " +
                "text=\"" + this.gTextColor + "\">");
        this.wwriteA("<span class='title'><B>");
        this.wwriteA(this.gMonthName + " " + this.gYear);
        this.wwriteA("</B></span><BR>");

        // Show navigation buttons
        var prevMMYYYY = Calendar.calc_month_year(this.gMonth, this.gYear, -1);
        var prevMM = prevMMYYYY[0];
        var prevYYYY = prevMMYYYY[1];

        var nextMMYYYY = Calendar.calc_month_year(this.gMonth, this.gYear, 1);
        var nextMM = nextMMYYYY[0];
        var nextYYYY = nextMMYYYY[1];

        this.wwrite("<TABLE WIDTH='100%' BORDER=0 CELLSPACING=0 CELLPADDING=1 BGCOLOR=\"" + this.gBGColor + "\"><TR><TD ALIGN=center valign=middle>");
        if (this.gYear > gNow.getFullYear()) {
         this.wwrite("<A class='whiteroll' HREF=\"" +
                "javascript:window.opener.Build(" +
                "'" + this.gReturnItem + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)-1) + "', '" + this.gFormat + "'" +
                ");" +
                "\">&lt;&lt; Jahr<\/A></TD><TD ALIGN=center>");
        }
        if (this.gMonth > gNow.getMonth() || (this.gYear > gNow.getFullYear())) {
        this.wwrite("<A class='whiteroll' HREF=\"" +
                "javascript:window.opener.Build(" +
                "'" + this.gReturnItem + "', '" + prevMM + "', '" + prevYYYY + "', '" + this.gFormat + "'" +
                ");" +
                "\">&lt; Monat<\/A></TD><TD ALIGN=center>");
        }
        this.wwrite("&nbsp;&nbsp;</TD><TD ALIGN=center>");
        this.wwrite("<A class='whiteroll' HREF=\"" +
                "javascript:window.opener.Build(" +
                "'" + this.gReturnItem + "', '" + nextMM + "', '" + nextYYYY + "', '" + this.gFormat + "'" +
                ");" +
                "\">Monat &gt;<\/A></TD><TD ALIGN=center>");
        this.wwrite("<A class='whiteroll' HREF=\"" +
                "javascript:window.opener.Build(" +
                "'" + this.gReturnItem + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)+1) + "', '" + this.gFormat + "'" +
                ");" +
                "\">Jahr &gt;&gt;<\/A></TD></TR></TABLE><BR>");

        // Get the complete calendar code for the month..
        vCode = this.getMonthlyCalendarCode();
        this.wwrite(vCode);

        this.wwrite("</font></body></html>");
        this.gWinCal.document.close();
}

Calendar.prototype.showY = function() {
        var vCode = "";
        var i;
        var vr, vc, vx, vy;                // Row, Column, X-coord, Y-coord
        var vxf = 285;                        // X-Factor
        var vyf = 200;                        // Y-Factor
        var vxm = 10;                        // X-margin
        var vym;                                // Y-margin
        if (isIE)        vym = 75;
        else if (isNav)        vym = 25;

        this.gWinCal.document.open();

        this.wwrite("<html>");
        this.wwrite("<head><title>Kalender</title>");
        this.wwrite("<style type='text/css'>\n<!--");
        for (i=0; i<12; i++) {
                vc = i % 3;
                if (i>=0 && i<= 2)        vr = 0;
                if (i>=3 && i<= 5)        vr = 1;
                if (i>=6 && i<= 8)        vr = 2;
                if (i>=9 && i<= 11)        vr = 3;

                vx = parseInt(vxf * vc) + vxm;
                vy = parseInt(vyf * vr) + vym;

                this.wwrite(".lclass" + i + " {position:absolute;top:" + vy + ";left:" + vx + ";}");
        }
        this.wwrite("-->\n</style>");
        this.wwrite("</head>");

        this.wwrite("<body " +
                "link=\"" + this.gLinkColor + "\" " +
                "vlink=\"" + this.gLinkColor + "\" " +
                "alink=\"" + this.gLinkColor + "\" " +
                "text=\"" + this.gTextColor + "\">");
        this.wwrite("<B><span class='boldtext'>");
        this.wwrite("Year : " + this.gYear);
        this.wwrite("</span></B><BR>");

        // Show navigation buttons
        var prevYYYY = parseInt(this.gYear) - 1;
        var nextYYYY = parseInt(this.gYear) + 1;

        this.wwrite("<TABLE WIDTH='100%' BORDER=1 CELLSPACING=0 CELLPADDING=0 BGCOLOR='#CCCCCC'><TR><TD ALIGN=center>");
        this.wwrite("[<A HREF=\"" +
                "javascript:window.opener.Build(" +
                "'" + this.gReturnItem + "', null, '" + prevYYYY + "', '" + this.gFormat + "'" +
                ");" +
                "\" alt='Prev Year'><<<\/A>]</TD><TD ALIGN=center>");
        this.wwrite("[<A HREF=\"javascript:window.print();\">Print</A>]</TD><TD ALIGN=center>");
        this.wwrite("[<A HREF=\"" +
                "javascript:window.opener.Build(" +
                "'" + this.gReturnItem + "', null, '" + nextYYYY + "', '" + this.gFormat + "'" +
                ");" +
                "\">>><\/A>]</TD></TR></TABLE><BR>");

        // Get the complete calendar code for each month..
        var j;
        for (i=11; i>=0; i--) {
                if (isIE)
                        this.wwrite("<DIV ID=\"layer" + i + "\" CLASS=\"lclass" + i + "\">");
                else if (isNav)
                        this.wwrite("<LAYER ID=\"layer" + i + "\" CLASS=\"lclass" + i + "\">");

                this.gMonth = i;
                this.gMonthName = Calendar.get_month(this.gMonth);
                vCode = this.getMonthlyCalendarCode();
                this.wwrite(this.gMonthName + "/" + this.gYear + "<BR>");
                this.wwrite(vCode);

                if (isIE)
                        this.wwrite("</DIV>");
                else if (isNav)
                        this.wwrite("</LAYER>");
        }

        this.wwrite("</font><BR></body></html>");
        this.gWinCal.document.close();
}

Calendar.prototype.wwrite = function(wtext) {
        this.gWinCal.document.writeln(wtext);
}

Calendar.prototype.wwriteA = function(wtext) {
        this.gWinCal.document.write(wtext);
}

Calendar.prototype.cal_header = function() {
        var vCode = "";

        vCode = vCode + "<TR>";
        vCode = vCode + "<TD WIDTH='14%'><b><span class='boldtext'>So</span></b></TD>";
        vCode = vCode + "<TD WIDTH='14%'><b><span class='boldtext'>Mo</span></B></TD>";
        vCode = vCode + "<TD WIDTH='14%'><b><span class='boldtext'>Di</span></B></TD>";
        vCode = vCode + "<TD WIDTH='14%'><b><span class='boldtext'>Mi</span></B></TD>";
        vCode = vCode + "<TD WIDTH='14%'><B><span class='boldtext'>Do</span></B></TD>";
        vCode = vCode + "<TD WIDTH='14%'><B><span class='boldtext'>Fr</span></B></TD>";
        vCode = vCode + "<TD WIDTH='16%'><B><span class='boldtext'>Sa</span></B></TD>";
        vCode = vCode + "</TR>";

        return vCode;
}

Calendar.prototype.cal_data = function() {
        var vDate = new Date();
        vDate.setDate(1);
        vDate.setMonth(this.gMonth);
        vDate.setFullYear(this.gYear);

        var vFirstDay=vDate.getDay();
        var vDay=1;
        var vLastDay=Calendar.get_daysofmonth(this.gMonth, this.gYear);
        var vOnLastDay=0;
        var vCode = "";

        /*
        Get day for the 1st of the requested month/year..
        Place as many blank cells before the 1st day of the month as necessary.
        */

        vCode = vCode + "<TR>";
        for (i=0; i<vFirstDay; i++) {
                vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(i) + ">&nbsp;</TD>";
        }

        // Write rest of the 1st week
        for (j=vFirstDay; j<7; j++) {
                vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j) + ">" +
                        "<A HREF='#' " +
                                "onClick=\"self.opener.document." + this.gReturnItem + ".value='" +
                                this.format_data(vDay) +
                                "';window.close();\">" +
                                this.format_day(vDay) +
                        "</A>" +
                        "</TD>";
                vDay=vDay + 1;
        }
        vCode = vCode + "</TR>";

        // Write the rest of the weeks
        for (k=2; k<7; k++) {
                vCode = vCode + "<TR>";

                for (j=0; j<7; j++) {
                        vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j) + ">" +
                                "<A HREF='#' " +
                                        "onClick=\"self.opener.document." + this.gReturnItem + ".value='" +
                                        this.format_data(vDay) +
                                        "';window.close();\">" +
                                this.format_day(vDay) +
                                "</A>" +
                                "</TD>";
                        vDay=vDay + 1;

                        if (vDay > vLastDay) {
                                vOnLastDay = 1;
                                break;
                        }
                }

                if (j == 6)
                        vCode = vCode + "</TR>";
                if (vOnLastDay == 1)
                        break;
        }

        // Fill up the rest of last week with proper blanks, so that we get proper square blocks
        for (m=1; m<(7-j); m++) {
                if (this.gYearly)
                        vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j+m) +
                        "><FONT COLOR='#CCCCCC'>&nbsp;</FONT></TD>";
                else
                        vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j+m) +
                        "><FONT COLOR='#CCCCCC'>" + m + "</FONT></TD>";
        }

        return vCode;
}

Calendar.prototype.format_day = function(vday) {
        var vNowDay = gNow.getDate();
        var vNowMonth = gNow.getMonth();
        var vNowYear = gNow.getFullYear();

        if (vday == vNowDay && this.gMonth == vNowMonth && this.gYear == vNowYear)
                return ("<span class='boldtext'><FONT COLOR=\"RED\"><B>" + vday + "</B></FONT></span>");
        else
                return (vday);
}

Calendar.prototype.write_weekend_string = function(vday) {
        var i;

        // Return special formatting for the weekend day.
        for (i=0; i<weekend.length; i++) {
                if (vday == weekend[i])
                        return (" BGCOLOR=\"" + weekendColor + "\"");
        }

        return "";
}

Calendar.prototype.format_data = function(p_day) {
        var vData;
        var vMonth = 1 + this.gMonth;
        vMonth = (vMonth.toString().length < 2) ? "0" + vMonth : vMonth;
        var vMon = Calendar.get_month(this.gMonth).substr(0,3).toUpperCase();
        var vFMon = Calendar.get_month(this.gMonth).toUpperCase();
        var vY4 = new String(this.gYear);
        var vY2 = new String(this.gYear.substr(2,2));
        var vDD = (p_day.toString().length < 2) ? "0" + p_day : p_day;

        switch (this.gFormat) {

                case "DD\/MON\/YYYY" :
                        vData = vDD + "\/" + vMon + "\/" + vY4;
                        break;
                case "DD\/MON\/YY" :
                        vData = vDD + "\/" + vMon + "\/" + vY2;
                        break;
                case "DD-MON-YYYY" :
                        vData = vDD + "-" + vMon + "-" + vY4;
                        break;
                case "DD-MON-YY" :
                        vData = vDD + "-" + vMon + "-" + vY2;
                        break;

                case "MM\/DD\/YYYY" :
                        vData = vMonth + "\/" + vDD + "\/" + vY4;
                        break;
                case "MM\/DD\/YY" :
                        vData = vMonth + "\/" + vDD + "\/" + vY2;
                        break;
                case "MM-DD-YYYY" :
                        vData = vMonth + "-" + vDD + "-" + vY4;
                        break;
                case "MM-DD-YY" :
                        vData = vMonth + "-" + vDD + "-" + vY2;
                        break;

                case "DD\/MONTH\/YYYY" :
                        vData = vDD + "\/" + vFMon + "\/" + vY4;
                        break;
                case "DD\/MONTH\/YY" :
                        vData = vDD + "\/" + vFMon + "\/" + vY2;
                        break;
                case "DD-MONTH-YYYY" :
                        vData = vDD + "-" + vFMon + "-" + vY4;
                        break;
                case "DD-MONTH-YY" :
                        vData = vDD + "-" + vFMon + "-" + vY2;
                        break;

                case "DD\/MM\/YYYY" :
                        vData = vDD + "\/" + vMonth + "\/" + vY4;
                        break;
                case "DD\/MM\/YY" :
                        vData = vDD + "\/" + vMonth + "\/" + vY2;
                        break;
                case "DD-MM-YYYY" :
                        vData = vDD + "-" + vMonth + "-" + vY4;
                        break;
                case "DD-MM-YY" :
                        vData = vDD + "-" + vMonth + "-" + vY2;
                        break;

                default :
                        vData = vDD + "." + vMonth + "." + vY4;
        }

        return vData;
}

function Build(p_item, p_month, p_year, p_format) {
        var p_WinCal = ggWinCal;
        gCal = new Calendar(p_item, p_WinCal, p_month, p_year, p_format);

        // Customize your Calendar here..
        gCal.gBGColor="#FFFFFF";
        gCal.gLinkColor="#000000";
        gCal.gTextColor="#000000";
        gCal.gHeaderColor="#000000";

        // Choose appropriate show function
        if (gCal.gYearly)        gCal.showY();
        else        gCal.show();
}

function show_calendar() {
        /*
                p_month : 0-11 for Jan-Dec; 12 for All Months.
                p_year        : 4-digit year
                p_format: Date format (dd.mm.yyyy, dd.mm.yy, ...)
                p_item        : Return Item.
        */

        p_item = arguments[0];
        if (arguments[1] == null)
                p_month = new String(gNow.getMonth());
        else
                p_month = arguments[1];
        if (arguments[2] == "" || arguments[2] == null)
                p_year = new String(gNow.getFullYear().toString());
        else
                p_year = arguments[2];
        if (arguments[3] == null)
                p_format = "DD.MM.YYYY";
        else
                p_format = arguments[3];

        vWinCal = window.open("", "Calendar",
                "width=250,height=250,status=no,resizable=no,top=200,left=200");
        vWinCal.opener = self;
        ggWinCal = vWinCal;

        Build(p_item, p_month, p_year, p_format);
}
/*
Yearly Calendar Code Starts here
*/
function show_yearly_calendar(p_item, p_year, p_format) {
        // Load the defaults..
        if (p_year == null || p_year == "")
                p_year = new String(gNow.getFullYear().toString());
        if (p_format == null || p_format == "")
                p_format = "DD.MM.YYYY";

        var vWinCal = window.open("", "Calendar", "scrollbars=yes");
        vWinCal.opener = self;
        ggWinCal = vWinCal;

        Build(p_item, null, p_year, p_format);
}
