<!--

var weekend = [5,6];

var gNow = new Date();
var ggWinCal;
isNav = (navigator.appName.indexOf("Netscape") != -1) ? true : false;
isIE = (navigator.appName.indexOf("Microsoft") != -1) ? true : false;


/* This check is the date_select_language has been externally defined 
   otherwise the "EN" default value is assigned */

var date_select_language = null;
if (date_select_language==null){
    date_select_language = "EN";
}

date_select_language=date_select_language.toUpperCase();

if (date_select_language=="EN"){
    Calendar.Months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
}
if (date_select_language=="IT"){
    Calendar.Months = ["Gennaio", "Febbraio", "Marzo", "Aprile", "Maggio", "Giugno", "Luglio", "Agosto", "Settembre", "Ottobre", "Novembre", "Dicembre"];
}

if (date_select_language=="NO"){
    WCalendar.Months = ["Januar", "Februar", "Mars", "April", "Mai", "Juni", "Juli", "August", "September", "Oktober", "November", "Desember"];
}
if (date_select_language=="FR"){
    WCalendar.Months = ["janvier", "Février", "Mars", "Avril", "Mai", "Juin", "Juillet", "Aôut", "Septembre", "Octobre", "Novembre", "Décembre"];
}

// This assign the default english values if the language parameter was not correct or translated
if (Calendar.Months==null){
    Calendar.Months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
}

// 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];


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.gReturnItem = p_item;
}

Calendar.get_month = Calendar_get_month;
Calendar.get_daysofmonth = Calendar_get_daysofmonth;
Calendar.calc_month_year = Calendar_calc_month_year;
Calendar.print = Calendar_print;

function Calendar_get_month(monthNo) {
        return Calendar.Months[monthNo];
}

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_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;
                        // if (p_Year > vNowYear)
                                ret_arr[1] = parseInt(p_Year) - 1;
                        //else
                                ret_arr[1] = parseInt(p_Year);
                } else {
                        ret_arr[0] = parseInt(p_Month);
                        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 border=\"0\" cellspacing=\"0\" cellpadding=\"1\" class=\"BackGround1\" width=\"185\"><tr><td><table border=\"0\" cellspacing=\"0\" cellpadding=\"2\" bgcolor=\"#ffffff\" width=\"183\">";
        
        vHeader_Code = this.cal_header();
        vData_Code = this.cal_data();
        vCode = vCode + vHeader_Code + vData_Code;
        
        vCode = vCode + "</tr></table>";
// <tr><td colspan=\"7\" class=\"GrayText\" align=\"right\">www.skiinfo.com</td></tr></table></td></tr></table>";
        
        return vCode;
}

Calendar.prototype.show = function() {
        var vCode = "";
        
        this.gWinCal.document.open();

        // Setup the page...
        this.wwrite("<html>");
        this.wwrite("<head><link rel=\"stylesheet\" href=\"http://olb.skiinfo.no/css/date_select.css\" type=\"text/css\"><title>Skiinfo Date Select</title>");
        this.wwrite("</head>");

        this.wwrite("<body bgcolor=\"#ffffff\" topmargin=\"10\" leftmargin=\"10\" marginwidth=\"10\" marginheight=\"10\">");

        // 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=\"185\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\" class=\"BackGround3\"><tr><td width=\"20\">");


        var myMonth = gNow.getMonth();
        myMonth++;
        if (myMonth < 10)
                myMonth = "0" + myMonth;
        var myYear = gNow.getFullYear();
        var myCheck = myYear + "" + myMonth;
        var tmpMonth = this.gMonth;
        tmpMonth++;
        if (tmpMonth < 10)
                tmpMonth = "0" + tmpMonth;
        var myTmp = this.gYear + "" + tmpMonth;
     
        // hack for å fjerne muligheten for å gå lenger tilbake enn dagens
        // måned. Oppheves ved å inkludere et tredje parameter i kallet av
        // show_calender
        // if (myTmp != myCheck && ) myBack=true;
        // if (typeof myBack != 'undefined') {
        if ((myTmp != myCheck) || (typeof myBack != 'undefined')) {
                this.wwrite("<a class=Arrow href=\"" +
                "javascript:window.opener.Build(" + 
                "'" + this.gReturnItem + "', '" + prevMM + "', '" + prevYYYY + "', '" + this.gFormat + "'" +
                ");" +
                "\"><img src=\"http://olb.skiinfo.no/js/newcalender/date_arrow_previous.gif\" width=\"20\" height=\"25\" alt=\"Previous Month\" border=\"0\"><\/a></td><td align=\"center\" width=\"145\">");
        } else {
                this.wwrite("<img src=\"http://olb.skiinfo.no/images/1px.gif\" width=\"20\" height=\"25\" border=\"0\"><\/a></td><td align=\"center\" width=\"145\">");
        }

        this.wwrite("<div class=\"MonthHead\">");
        this.wwriteA(this.gMonthName + " " + this.gYear);
        this.wwrite("</div></td><td align=\"right\" width=\"20\">");
        this.wwrite("<a class=Arrow href=\"" +
                "javascript:window.opener.Build(" + 
                "'" + this.gReturnItem + "', '" + nextMM + "', '" + nextYYYY + "', '" + this.gFormat + "'" +
                ");" +
                "\"><img src=\"http://olb.skiinfo.no/js/newcalender/date_arrow_next.gif\" width=\"20\" height=\"25\" alt=\"Next Month\" border=\"0\"><\/a></td></tr></table>");

        // Get the complete calendar code for the month..
        vCode = this.getMonthlyCalendarCode();
        this.wwrite(vCode);

        this.wwrite("</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>Calendar</title>");
        this.wwrite("\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 bgcolor=\"#ffffff\">");
        this.wwrite("<div class=\"kalender\"><strong>");
        this.wwrite("Year : " + this.gYear);
        this.wwrite("</strong><br>");

        // Show navigation buttons
        var prevYYYY = parseInt(this.gYear) - 1;
        var nextYYYY = parseInt(this.gYear) + 4;
        
        this.wwrite("<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\" bgcolor=\"blue\"><tr><td align=\"center\">");
        this.wwrite("[<a href=\"" +
                "javascript:window.opener.Build(" + 
                "'" + this.gReturnItem + "', null, '" + prevYYYY + "', '" + this.gFormat + "'" +
                ");" +
                "\" alt='Prev Year'>&laquo;<\/a>]</td><td align=center>");
        this.wwrite("print </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("</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><td colspan=\"7\"><img src=\"http://olb.skiinfo.no/js/newcalender/1px.gif\" alt=\"[]\" border=\"0\" width=\"178\" height=\"1\"></td></tr>";
        vCode = vCode + "<tr>";
        vCode = vCode + "<td width=\"26\" align=\"center\" class=\"WeekDays\">Mo</td>";
        vCode = vCode + "<td width=\"26\" align=\"center\" class=\"WeekDays\">Tu</td>";
        vCode = vCode + "<td width=\"26\" align=\"center\" class=\"WeekDays\">We</td>";
        vCode = vCode + "<td width=\"26\" align=\"center\" class=\"WeekDays\">Th</td>";
        vCode = vCode + "<td width=\"26\" align=\"center\" class=\"WeekDays\">Fr</td>";
        vCode = vCode + "<td width=\"27\" align=\"center\" class=\"WeekDays\"><span class=\"WeekendColor\">Sa</span></td>";
        vCode = vCode + "<td width=\"26\" align=\"center\" class=\"WeekDays\"><span class=\"WeekendColor\">Su</span></td>";
        vCode = vCode + "</tr>";
        vCode = vCode + "<tr><td colspan=\"7\"><img src=\"http://olb.skiinfo.no/js/newcalender/date_line_bottom.gif\" alt=\"[]\" border=\"0\" width=\"178\" height=\"5\"></td></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>";
 
        // hack for Norwegian weeks (start on monday, instead of sunday)
        if (vFirstDay == 0) {
          vFirstDay = 6;
        } 
        else vFirstDay--;


        for (i=0; i<vFirstDay; i++) {
                vCode = vCode + "<td bgcolor=\"#ffffff\" align=\"center\" " + this.write_weekend_string(i) + ">&nbsp;</td>";
        }

        // Write rest of the 1st week
        for (j=vFirstDay; j<7; j++) {
                vCode = vCode + "<td align=\"center\" " + this.write_weekend_string(j) + "><div class=\"kalender\">" + 
                        "<a href=\"#\" " + 
                                "onClick=\"self.opener.document." + this.gReturnItem + ".value='" + 
                                this.format_data(vDay) + 
                                "';window.close();\">" + 
                                this.format_day(vDay) + 
                        "</a>" + 
                        "</div></td>";
                vDay=vDay + 1;
        }
        vCode = vCode + "";

        // Write the rest of the weeks
        for (k=2; k<7; k++) {
                vCode = vCode + "</tr><tr>";

                for (j=0; j<7; j++) {
                        vCode = vCode + "<td align=\"center\" " + this.write_weekend_string(j) + "><div class=\"kalender\">" + 
                                "<a href=\"#\" " + 
                                        "onClick=\"self.opener.document." + this.gReturnItem + ".value='" + 
                                        this.format_data(vDay) + 
                                        "';window.close();\">" + 
                                this.format_day(vDay) + 
                                "</a>" + 
                                "</div></td>";
                        vDay=vDay + 1;


                        if (vDay > vLastDay) {
                                vOnLastDay = 1;
                                for (x=j; x<6; x++) {
                                        vCode = vCode + "<td bgcolor=\"#ffffff\" align=\"center\" " + this.write_weekend_string(i) + ">&nbsp;</td>";
                                }
                                break;
                        }
                }

                if (j == 6)
                        vCode = vCode;
                if (vOnLastDay == 1)
                        break;
        }
        
        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 ("<div class=\"ToDay\">" + vday + "</div>");
        if (vday < vNowDay && this.gMonth == vNowMonth && this.gYear == vNowYear) {
                if (typeof myBack != 'undefined') {
                        return ("<div class=\"kalender\">" + vday + "</div>");
                } else {
                        return ("<div class=\"ExpiredDay\">" + vday + "</div>");
                }
        } 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 ("class=\"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;
        //this.wwrite("This.gFormat value: "+s.gFormat);
        switch (this.gFormat) {
                case "YYYY.MM.DD" :
                        vData = vY4 + "." + vMonth + "." + vDD;
                        break;
                case "YYYY-MM-DD" :
                        vData = vY4 + "-" + vMonth + "-" + vDD;
                        break;

                default :
                        vData = vMonth + "\/" + vDD + "\/" + vY4;
        }
        // Added the 5 september 2001 by Christian
        //vData = vY4 + "." + vMonth + "." + vDD;

        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);

        // 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 (mm/dd/yyyy, dd/mm/yy, ...)
                p_item  : Return Item.
        */

        // read arguments from search form, and get value from the from-field.
        if (arguments.length==3) {
          myBack=true;
        }
        if (arguments[1]) {
          old = (arguments[1].split("-"));
	  if (old.length != 3) old = (arguments[1].split("."));

          if (old.length == 3)  {
//            old[1]=parseInt(old[1]);
            old[1]= (parseInt(old[1], 10))-1;
          } else old = (0,0,0);
        } else var old = (0,0,0);
        p_item = arguments[0];
        if (old[1] == null)
                p_month = new String(gNow.getMonth());
        else
                p_month = old[1]--;
        if (old[0] == "" || old[0] == null)
                p_year = new String(gNow.getFullYear().toString());
        else
                p_year = old[0];
        if (arguments[3] != null)
                p_format = arguments[3];
        else
                p_format = "YYYY.MM.DD";


        vWinCal = window.open("", "Calendar", "width=205,height=201,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 = "YYYY.MM.DD";

        var vWinCal = window.open("", "Calendar", "scrollbars=yes");
        vWinCal.opener = self;
        ggWinCal = vWinCal;

        Build(p_item, null, p_year, p_format);
}
//-->

