var shortmonths = new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec");
var fullmonths = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
var WeekDay = new Array("Su","Mo","Tu","We","Th","Fr","Sa");
var bsgCalendar = null;
var bsgDateControl = null;
var bsgHeight = "12";
var bsgWidth = "220";
var bsgDateFormat = null;
var bsgOnDocClick = null;
var bsgBubbleUp = true;

function GetScreenTop(obj)
{
    var xTop = obj.offsetTop;
    var oParent = obj.offsetParent;
    while (oParent != null)
    {
        xTop += oParent.offsetTop;
        oParent = oParent.offsetParent;
    }
    return xTop;
}

function GetScreenLeft(obj)
{
    var xLeft = obj.offsetLeft;
    var oParent = obj.offsetParent;
    while (oParent != null)
    {
        xLeft += oParent.offsetLeft;
        oParent = oParent.offsetParent;
    }
    return xLeft;
}

function popUpCalendarMinMax(popCtrl, dateCtrl, mindate, maxdate)
{
    var defaultdate;
    if (document.getElementById(dateCtrl).value!="")
        defaultdate = new Date(document.getElementById(dateCtrl).value);
    else
        defaultdate = new Date();
}


function formatDate(iYear, iMonth, iDay)
{
    var fout = "";
    var selectDate = new Date(iYear, iMonth, iDay);
    var dMonth = (++iMonth).toString();
    var dDay = iDay.toString();
    if (iMonth < 10 )
	dMonth = "0" + dMonth;
    if (iDay < 10)
	dDay = "0" + dDay;
    switch (bsgDateFormat)
    {
        case "local":
            fout = selectDate.toLocaleDateString();
            break;
	  case "MM/dd/yyyy":
            fout = dMonth + "/" + dDay + "/" + iYear;
            break;
        case "dd.MM.yyyy":
            fout = dDay + "." + dMonth + "." + iYear;
            break;
        case "MM.dd.yy":
            fout = dMonth + "." + dDay + "." + iYear.toString().substring(2,4);
            break;
        case "yyyy.dd.MM":
            fout = iYear + "." + dDay + "." + dMonth;
            break;
        case "yyyy.MM.dd":
            fout = iYear + "." + dMonth + "." + dDay;
            break;
    }
    return fout;
}

function getDate(value)
{
    var fout;
    var dYear, dMonth, dDay;
    switch (bsgDateFormat)
    {
        case "local":
            fout = new Date(value);
            break;
        case "MM/dd/yyyy":
            dMonth = value.substring(0,2);
            dDay = value.substring(3,5);
            dYear = value.substring(6,10);
            fout = new Date(dYear, dMonth-1, dDay);
            break;
        case "dd.MM.yyyy":
            dDay = value.substring(0,2);
            dMonth = value.substring(3,5);
            dYear = value.substring(6,10);
            fout = new Date(dYear, dMonth-1, dDay);
            break;
        case "MM.dd.yy":
            dMonth = value.substring(0,2);
            dDay = value.substring(3,5);
            dYear = value.substring(6,8);
            if (dYear > 20)
            	dYear = 19 + dYear;
            else
            	dYear = 20 + dYear;
            fout = new Date(dYear, dMonth-1, dDay);
            break;
        case "yyyy.dd.MM":
            dYear = value.substring(0,4);
            dDay = value.substring(5,7);
            dMonth = value.substring(8,10);
            fout = new Date(dYear, dMonth-1, dDay);
            break;
        case "yyyy.MM.dd":
            dYear = value.substring(0,4);
            dMonth = value.substring(5,7);
            dDay = value.substring(8,10);
            fout = new Date(dYear, dMonth-1, dDay);
            break;
    }
    return fout;
}
function setDate(iYear, iMonth, iDay)
{
    bsgDateControl.value = formatDate(iYear, iMonth, iDay);
    hideCalendar();
}

function hideCalendar()
{
    if (!window.createPopup)
    {
        if (bsgBubbleUp)
        {
            bsgCalendar.style.visibility = "hidden";
            window.document.onclick=bsgOnDocClick;
        }
        else
            bsgBubbleUp = true;
    }
    else
        bsgCalendar.hide();
}

function noBubbleUp()
{
    bsgBubbleUp = false;
}

function setSelected(icell){
    var ndsel = document.getElementsByName("tbSelYear");
    var iYear = parseInt(ndsel[0].value);
    ndsel = document.getElementsByName("tbSelMonth");
    var iMonth = parseInt(ndsel[0].value);
    var cellList = document.getElementsByName("cellText");
    var aCell = cellList.item(icell);
    var iDateValue = aCell.getAttribute("datevalue");
    var iDay = 0;
    if (iDateValue < 0)
    {
        iMonth--;
        iDay = (-1)*iDateValue;
    }
    else
    {
        iDay = iDateValue;
        if (aCell.className=="datalink")
            iMonth++;
    }
    setDate(iYear, iMonth, iDay);
}

function updateCalendar(iYear, iMonth) {

    var dCalDate = new Date(iYear, iMonth, 1);
    var iDayOfFirst = dCalDate.getDay();
    var iDaysInPrevMonth = new Date(iYear, iMonth, 0).getDate();
    var iDaysInMonth = new Date(iYear, parseInt(iMonth)+1, 0).getDate();
    var iOffsetLast = new Date(iYear, iMonth, 0).getDate() - iDayOfFirst + 1;
    var iDate = 1;
    var iOffsetNext = 1;
    var bCurMonthYear = false;
    var curDate = new Date();
    var cellList = document.getElementsByName("cellText");
    if (iYear == curDate.getFullYear() && iMonth == curDate.getMonth())
        bCurMonthYear = true;
    for (var i=0; i < cellList.length; i++)
    {
        if (iOffsetLast <= iDaysInPrevMonth)
        {
            cellList.item(i).innerHTML = iOffsetLast;
            cellList.item(i).className="datalink";
            cellList.item(i).setAttribute("datevalue",(-1)*iOffsetLast);
            cellList.item(i).parentNode.className="table_sortable_column_header";
            cellList.item(i).parentNode.setAttribute("align","middle");
            iOffsetLast++;
        }
        else
            if (iDate <= iDaysInMonth)
            {
                cellList.item(i).innerHTML = iDate;
                cellList.item(i).className="table_control_link";
                cellList.item(i).setAttribute("datevalue",iDate);
                if (bCurMonthYear)
                    if (iDate==curDate.getDate())
                        cellList.item(i).parentNode.className="table_row_selected";
                    else
                        cellList.item(i).parentNode.className="table_sortable_column_header";
                else
                    cellList.item(i).parentNode.className="table_sortable_column_header";
                cellList.item(i).parentNode.setAttribute("align","middle");
                iDate++;
            }
            else
            {
                cellList.item(i).innerHTML = iOffsetNext;
                cellList.item(i).className="datalink";
                cellList.item(i).setAttribute("datevalue",iOffsetNext);
                cellList.item(i).parentNode.className="table_sortable_column_header";
                cellList.item(i).parentNode.setAttribute("align","middle");
                iOffsetNext++;
            }
    }
}


function setYearMon()
{
    var ndsel = document.getElementsByName("tbSelMonth");
    var iMon = ndsel[0].value;
    var ndsel = document.getElementsByName("tbSelYear");
    var iYear = ndsel[0].value;
    updateCalendar(iYear, iMon);
}


function prevMonth()
{
    var ndsel = document.getElementsByName("tbSelYear");
    var iYear = parseInt(ndsel[0].value);
    ndsel = document.getElementsByName("tbSelMonth");
    var iMonth = parseInt(ndsel[0].value);
    if (--iMonth < 0)
    {
        iMonth = 11;
        iYear--;
    }
    ndsel = document.getElementsByName("tbSelYear");
    ndsel[0].value = iYear;
    ndsel = document.getElementsByName("tbSelMonth");
    ndsel[0].value = iMonth;
    setYearMon();
}

function nextMonth(){
    var ndsel = document.getElementsByName("tbSelYear");
    var iYear = parseInt(ndsel[0].value);
    ndsel = document.getElementsByName("tbSelMonth");
    var iMonth = parseInt(ndsel[0].value);
    if (++iMonth>=12)
    {
       iMonth = 0;
       iYear++;
    }
    ndsel = document.getElementsByName("tbSelYear");
    ndsel[0].value = iYear;
    ndsel = document.getElementsByName("tbSelMonth");
    ndsel[0].value = iMonth;
    setYearMon();
}
function popUpCalendar(popCtrl, dateCtrl, dateFormat)
{
    var defaultdate;
    if (dateFormat==null || dateFormat=="")
        bsgDateFormat = "local";
    else
        bsgDateFormat = dateFormat;
    if (document.getElementById(dateCtrl).value!="")
        defaultdate = getDate(document.getElementById(dateCtrl).value);
    else
        defaultdate = new Date();
    bsgDateControl = document.getElementById(dateCtrl);
    if (bsgCalendar==null)
        if (!window.createPopup)
        {
            bsgCalendar = document.createElement("div");
            bsgCalendar.innerHTML="<div>" + createPopUpContent(defaultdate) + "</div>";
            bsgCalendar.style.visibility = "hidden";
            bsgCalendar.style.position = "absolute";
            bsgCalendar.style.zIndex = 100;
            document.body.appendChild(bsgCalendar);
        }
        else
        {
            bsgCalendar = window.createPopup();
            bsgCalendar.document.write(createPopUpContent(defaultdate));
        }
    else
        if (!window.createPopup)
        {
            bsgCalendar.innerHTML="<div>" + createPopUpContent(defaultdate) + "</div>";
            bsgCalendar.style.visibility = "hidden";
        }
        else
        {
            bsgCalendar.document.open("text/html", "replace");
            bsgCalendar.document.write(createPopUpContent(defaultdate));
        }
    if (!window.createPopup)
    {
        updateCalendar(defaultdate.getFullYear(), defaultdate.getMonth());
        bsgCalendar.style.height = bsgHeight;
        bsgCalendar.style.top = GetScreenTop(document.getElementById(popCtrl)) + document.getElementById(popCtrl).offsetHeight;
        bsgCalendar.style.left = GetScreenLeft(document.getElementById(popCtrl));
        bsgCalendar.style.width = bsgWidth;
        bsgCalendar.style.visibility = "visible";
        bsgOnDocClick = document.onclick;
        bsgBubbleUp = false;
        document.onclick=hideCalendar;
        bsgCalendar.onclick=noBubbleUp;
    }	
    else
        bsgCalendar.show(0, document.getElementById(popCtrl).height, bsgWidth, document.getElementById(popCtrl).height*bsgHeight, document.getElementById(popCtrl));
}

function createPopUpContent(defaultdate)
{
    todaydate = new Date();
    
    endyear = todaydate.getFullYear();
    beginyear = endyear - 10;
    var popupcontent;
    if (!window.createPopup)
    {
        popupcontent = "<table width='100%' class=table cellSpacing=1 cellPadding=0 border=0>";
        popupcontent = popupcontent + "<tr height=20px;><td colspan=7 align=left vAlign=center class=table_view_options>"; 
        popupcontent = popupcontent + "<span class=label>Today: </span>";
        popupcontent = popupcontent + "<a class=datalink href='javascript:setDate(" + todaydate.getFullYear() + "," + todaydate.getMonth() + "," + todaydate.getDate() + ")'>" + todaydate.getDate() + " " + shortmonths[todaydate.getMonth()] + " " + todaydate.getFullYear() + "</a>";
        popupcontent = popupcontent + "</td></tr>";
        popupcontent = popupcontent + "<tr><td colspan='7' align=center vAlign=center>";
        popupcontent = popupcontent + "<span name=PrevMonth class=table_titlebar vAlign=center align=middle>";
        popupcontent = popupcontent + "&nbsp;<a class=calendar_navigation_arrows title='Go to the previous month' href='javascript:prevMonth()'>&#139;</a>&nbsp;</span>";
        popupcontent = popupcontent + "<span nowrap class=table_titlebar>";
        popupcontent = popupcontent + "<select name='tbSelMonth' id='tbSelMonth' class=data onChange='setYearMon()' SelectType='YEARMONTH'>";
        for (i=0; i<12; i++)
            popupcontent = popupcontent + "<option value='"+i+"'" + (defaultdate.getMonth()==i?" selected>":">") + fullmonths[i] + "</option>";
        popupcontent = popupcontent + "</select>&nbsp;";
        popupcontent = popupcontent + "<select name='tbSelYear' id='tbSelYear' class=data onChange='setYearMon()' SelectType='YEARMONTH'>";
        for(i=beginyear; i<=endyear; i++)
             popupcontent = popupcontent + "<option value='"+i+"'" + (defaultdate.getFullYear()==i?" selected>":">") + "&nbsp;" + i + "&nbsp;</OPTION>";
        popupcontent = popupcontent + "</select></span>";
        popupcontent = popupcontent + "<span name=PrevYear class=table_titlebar vAlign=center align=middle>";
        popupcontent = popupcontent + "&nbsp;<a class=calendar_navigation_arrows title='Go to the next month' href='javascript:nextMonth()'>&#155;</a>&nbsp;</span>";
        popupcontent = popupcontent + "</tr>";
        popupcontent = popupcontent + "<tr class=table_banded_row>";
        for(i=0; i<7; i++)
            popupcontent = popupcontent + "<td class=table_column_header vAlign=center align=middle width=20>" + WeekDay[i] + "</td>";
        popupcontent = popupcontent + "</tr>";
        for (w = 1; w < 7; w++) {
            popupcontent = popupcontent + "<tr>";
            for (d = 0; d < 7; d++) {		
                popupcontent = popupcontent + "<td class=table_sortable_column_header vAlign=center align=middle width=20 height=20 >";
                popupcontent = popupcontent + "<a href='javascript:setSelected(" + ((w-1)*7 + d) + ")' name=cellText class=table_control_link datevalue='0'></a>";
                popupcontent = popupcontent + "</td>";
            }
            popupcontent = popupcontent + "</tr>";
	}
        popupcontent = popupcontent + "</table>";
    }
    else
    {
        popupcontent = "<HTML><HEAD><LINK REL=\"stylesheet\" HREF=\"/sc/jsp/css/castyles.css\">";
        popupcontent = popupcontent + "<script language='JavaScript'>";
        popupcontent = popupcontent + "function setDate(iYear, iMonth, iDay) { window.parent.setDate(iYear,iMonth,iDay); window.close(); }";
        popupcontent = popupcontent + "function setSelected(aCell){";
        popupcontent = popupcontent + "    var iYear = frmCalendar.tbSelYear.value;";
        popupcontent = popupcontent + "    var iMonth = frmCalendar.tbSelMonth.value;";
        popupcontent = popupcontent + "    var iDateValue = aCell.getAttribute(\"datevalue\");";
        popupcontent = popupcontent + "    var iDay = 0;";
        popupcontent = popupcontent + "    if (iDateValue < 0)";
        popupcontent = popupcontent + "    {";
        popupcontent = popupcontent + "        iMonth--;";
        popupcontent = popupcontent + "        iDay = (-1)*iDateValue;";
        popupcontent = popupcontent + "    }";
        popupcontent = popupcontent + "    else";
        popupcontent = popupcontent + "    {";
        popupcontent = popupcontent + "        iDay = iDateValue;";
        popupcontent = popupcontent + "        if (aCell.className==\"datalink\")";
        popupcontent = popupcontent + "            iMonth++;";
        popupcontent = popupcontent + "    }";
        popupcontent = popupcontent + "    window.parent.setDate(iYear, iMonth, iDay);";
        popupcontent = popupcontent + "}";
        popupcontent = popupcontent + "function init() { updateCalendar(" + defaultdate.getFullYear() + "," + defaultdate.getMonth() + ");}";
        popupcontent = popupcontent + "function updateCalendar(iYear, iMonth) { var dCalDate = new Date(iYear, iMonth, 1); var iDayOfFirst = dCalDate.getDay(); var iDaysInPrevMonth = new Date(iYear, iMonth, 0).getDate(); var iDaysInMonth = new Date(iYear, parseInt(iMonth)+1, 0).getDate(); ";
        popupcontent = popupcontent + "var iOffsetLast = new Date(iYear, iMonth, 0).getDate() - iDayOfFirst + 1; var iDate = 1; var iOffsetNext = 1; var bCurMonthYear = false; var curDate = new Date(); ";
        popupcontent = popupcontent + "var cellList = window.document.all.item(\"cellText\");";
        popupcontent = popupcontent + "if (iYear == curDate.getFullYear() && iMonth == curDate.getMonth()) bCurMonthYear = true; ";
        popupcontent = popupcontent + "for (var i=0; i < cellList.length; i++) { if (iOffsetLast <= iDaysInPrevMonth) { ";
        popupcontent = popupcontent + "cellList.item(i).innerHTML = iOffsetLast; cellList.item(i).className=\"datalink\"; cellList.item(i).setAttribute(\"datevalue\",(-1)*iOffsetLast); cellList.item(i).parentNode.className=\"table_sortable_column_header\"; cellList.item(i).parentNode.setAttribute(\"align\",\"center\",0); iOffsetLast++;} ";
        popupcontent = popupcontent + "else if (iDate <= iDaysInMonth) { ";
        popupcontent = popupcontent + "cellList.item(i).innerHTML = iDate; cellList.item(i).className=\"table_control_link\"; cellList.item(i).setAttribute(\"datevalue\",iDate); if (bCurMonthYear) " ;
        popupcontent = popupcontent + "if (iDate==curDate.getDate()) cellList.item(i).parentNode.className=\"table_row_selected\"; ";
        popupcontent = popupcontent + "else cellList.item(i).parentNode.className=\"table_sortable_column_header\"; ";
        popupcontent = popupcontent + "else cellList.item(i).parentNode.className=\"table_sortable_column_header\"; ";
        popupcontent = popupcontent + "cellList.item(i).parentNode.setAttribute(\"align\",\"center\",0); iDate++; } ";
        popupcontent = popupcontent + "else { ";
        popupcontent = popupcontent + "cellList.item(i).innerHTML = iOffsetNext; cellList.item(i).className=\"datalink\"; cellList.item(i).setAttribute(\"datevalue\",iOffsetNext); cellList.item(i).parentNode.className=\"table_sortable_column_header\"; cellList.item(i).parentNode.setAttribute(\"align\",\"center\",0); iOffsetNext++; } ";
        popupcontent = popupcontent + "}";
        popupcontent = popupcontent + "}";
        popupcontent = popupcontent + "function prevMonth() { var iYear = frmCalendar.tbSelYear.value; var iMonth = frmCalendar.tbSelMonth.value;";
        popupcontent = popupcontent + "if (--iMonth < 0) { iMonth = 11; iYear--; }";
        popupcontent = popupcontent + "frmCalendar.tbSelMonth.options(iMonth).selected = true;  for (i = 0; i < frmCalendar.tbSelYear.options.length; i++) if (frmCalendar.tbSelYear.options(i).value == iYear) { frmCalendar.tbSelYear.options(i).selected = true; break; } setYearMon(); }";
        popupcontent = popupcontent + "function nextMonth() { var iYear = frmCalendar.tbSelYear.value; var iMonth = frmCalendar.tbSelMonth.value; ";
        popupcontent = popupcontent + "if (++iMonth>=12) { iMonth = 0; iYear++; }";
        popupcontent = popupcontent + "frmCalendar.tbSelMonth.options(iMonth).selected = true;  for (i = 0; i < frmCalendar.tbSelYear.options.length; i++) if (frmCalendar.tbSelYear.options(i).value == iYear) { frmCalendar.tbSelYear.options(i).selected = true; break; } setYearMon(); }";
        popupcontent = popupcontent + "function setYearMon() { var iMon = frmCalendar.tbSelMonth.value; var iYear = frmCalendar.tbSelYear.value; updateCalendar(iYear, iMon); }";
        popupcontent = popupcontent + "</script>";
        popupcontent = popupcontent + "</HEAD>";
        popupcontent = popupcontent + "<BODY style=\"FONT-SIZE: 10px;FONT-FAMILY: Verdana, Arial;BACKGROUND: #FFFFFF;BORDER-COLOR: #FFFFFF;BORDER-WIDTH: 0px;BORDER-STYLE: inset;MARGIN: 0;OVERFLOW: visible;\"><form name='frmCalendar'>";
        popupcontent = popupcontent + "<table width='100%' class=table cellSpacing=1 cellPadding=0 border=0>";
        popupcontent = popupcontent + "<tr height=20px;><td colspan=7 align=left vAlign=middle class=table_view_options>"; 
        popupcontent = popupcontent + "<span class=label>Today: </span>";
        popupcontent = popupcontent + "<a class=datalink href='javascript:void' onclick='setDate(" + todaydate.getFullYear() + "," + todaydate.getMonth() + "," + todaydate.getDate() + ")'>" + todaydate.getDate() + " " + shortmonths[todaydate.getMonth()] + " " + todaydate.getFullYear() + "</a>";
        popupcontent = popupcontent + "</td></tr>";
        popupcontent = popupcontent + "<tr><td colspan='7' align=center vAlign=middle>";
        popupcontent = popupcontent + "<span name=PrevMonth class=table_titlebar vAlign=middle align=center>";
        popupcontent = popupcontent + "&nbsp;<a class=calendar_navigation_arrows title='Go to the previous month' href='javascript:void(0)' onclick='prevMonth()'>&#139;</a>&nbsp;</span>";
        popupcontent = popupcontent + "<span nowrap class=table_titlebar>";
        popupcontent = popupcontent + "<select name='tbSelMonth' id='tbSelMonth' class=data onChange='setYearMon()'>";
        for (i=0; i<12; i++)
            popupcontent = popupcontent + "<option value='"+i+"'" + (defaultdate.getMonth()==i?" selected>":">") + fullmonths[i] + "</option>";
        popupcontent = popupcontent + "</select>&nbsp;";
        popupcontent = popupcontent + "<select name='tbSelYear' id='tbSelYear' class=data onChange='setYearMon()'>";
        for(i=beginyear; i<=endyear; i++)
             popupcontent = popupcontent + "<option value='"+i+"'" + (defaultdate.getFullYear()==i?" selected>":">") + "&nbsp;" + i + "&nbsp;</OPTION>";
        popupcontent = popupcontent + "</select></span>";
        popupcontent = popupcontent + "<span name=PrevYear class=table_titlebar vAlign=middle align=middle>";
        popupcontent = popupcontent + "&nbsp;<a class=calendar_navigation_arrows title='Go to the next month' href='javascript:void(0)' onclick='nextMonth()'>&#155;</a>&nbsp;</span>";
        popupcontent = popupcontent + "</tr>";
        popupcontent = popupcontent + "<tr class=table_banded_row>";
        for(i=0; i<7; i++)
            popupcontent = popupcontent + "<td class=table_column_header vAlign=middle align=center width=20>" + WeekDay[i] + "</td>";
        popupcontent = popupcontent + "</tr>";
        for (w = 1; w < 7; w++) {
            popupcontent = popupcontent + "<tr>";
            for (d = 0; d < 7; d++) {
                i = ((w-1)*7 + d);
                popupcontent = popupcontent + "<TD class=table_sortable_column_header vAlign=middle align=center width=20 height=20>";
                popupcontent = popupcontent + "<A ID='cellText' href='javascript:void(0)' onclick='setSelected(this)' class='table_control_link' datevalue='0'></A>";
                popupcontent = popupcontent + "</TD>";
            }
            popupcontent = popupcontent + "</tr>";
	}
        popupcontent = popupcontent + "</table>";
        popupcontent = popupcontent + "</form>";
        popupcontent = popupcontent + "<script language='Javascript'>init();</script>";
        popupcontent = popupcontent + "</BODY></HTML>";
    }
    return popupcontent;
}