var calendar_DayNames = new Array("日","一","二","三","四","五","六");
var calendar_MonthNames = new Array("一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月");
function showCalendar(targetID, targetURL, dMonth, dYear, dDay)
{
    if(dMonth < 0)
    {       
        dMonth = 11;
        dYear--;
    }
    if(dMonth > 11)
    {
        dMonth = 0;
        dYear++;
    }

    var dNow = new Date();
    if(dDay == 90 && dMonth == dNow.getMonth() && dYear == dNow.getYear()) dDay = dNow.getDate();
    var dCurFD = new Date(dYear, dMonth, 1);
    var dGivenDate = new Date(dYear, dMonth, dDay);  
    var dCurrentMonthFirstSunday = dCurFD.getDay();
    var dCurrentViewDate = new Date(dCurFD);
    var iDays = 0;
    var weekMilliseconds = 1000*60*60*24*7;
    if(dCurrentMonthFirstSunday > 0) iDays = -dCurrentMonthFirstSunday;
    
    var fTrgt = targetURL;
    while (fTrgt.indexOf("'") >= 0) fTrgt = fTrgt.replace("'", "`");
    while (fTrgt.indexOf("`") >= 0) fTrgt = fTrgt.replace("`", "\\'");
    
    var oBuf = '<TABLE BORDER="0" WIDTH="95%" CELLSPACING="0" CELLPADDING="0">';       
    oBuf += '<TR><TD CLASS="calendarhd"><A HREF="javascript:showCalendar(\'' + targetID + "','" + fTrgt + "'," + (dMonth - 1) + ',' + dYear + ',90);"><img src="Images/leftArrow.gif" border=0 /></A></TD>';
    oBuf += '<TD COLSPAN="5" CLASS="calendarhd">' + (calendar_MonthNames[dMonth]) + ' ' + dYear + '</TD>';
    oBuf += '<TD CLASS="calendarhd"><A HREF="javascript:showCalendar(\'' + targetID + "','" + fTrgt + "'," + (dMonth + 1) + ',' + dYear + ',90);"><img src="Images/rightArrow.gif"  border=0 /></A></TD></TR>';
    oBuf += '<TR style="calendarhdrow">';
    
    for(var e=0; e < 7; e++) oBuf += '<TD CLASS="calendarDays">' + calendar_DayNames[e] + '</TD>';          
    oBuf += '</TR>';

    var nextMonthFirstDay = new Date(dYear, dMonth+1, 1);
    var IsNextMonthFirstDaySunday = nextMonthFirstDay.getDay()==0;
        
    for(var iRows=0; iRows < 6; iRows++)
    {
        dCurrentMonthDate = new Date(dCurFD.getFullYear(), dCurFD.getMonth(), dCurFD.getDate() + iDays);
        if(1==1)         
        {
        if(iRows==5 && dCurrentMonthDate.getMonth() > dCurFD.getMonth()) continue;        
        if(iRows==5 && IsNextMonthFirstDaySunday) continue;
                
        oBuf += '<TR CLASS="calendarContent">';
        for(var iCols=0; iCols < 7; iCols++)
        {
            dCurrentViewDate = new Date(dCurFD.getFullYear(), dCurFD.getMonth(), dCurFD.getDate() + iDays);

            if((dGivenDate.toDateString() == dCurrentViewDate.toDateString()) && (dDay != 90))
            {
                oBuf += '<TD CLASS="selectedDate">';
            }
            else
            {
                if(dCurrentViewDate.getMonth() != dMonth || iDays < 0) 
                {
                    oBuf += '<TD CLASS="negDate">';
                }
                else
                {
                    oBuf += '<TD CLASS="posDate">';
                }
            }            
            var args;
            
            if (targetURL.substr(0,11) == 'javascript:')
            {
              args = dCurrentViewDate.valueOf() + ")";
            }
            else
            {
              var sep = targetURL.indexOf('?') < 0 ? '?' : '&';
              args = sep + 'startDate=' + dCurrentViewDate.getFullYear()+ '-' + (dCurrentViewDate.getMonth()+1) + '-' +dCurrentViewDate.getDate() ;
            }
            oBuf += '<A HREF="' + targetURL +  args + '">' + dCurrentViewDate.getDate() + '</A></TD>';
            iDays++;
        }
        oBuf += '</TR>';
        }
    }
    oBuf += '</TABLE>';
    document.getElementById(targetID).innerHTML = oBuf;
}
function show_menus(menudivid1,menudivid2)
{
    document.getElementById(menudivid1).style.display="block";
    document.getElementById(menudivid2).style.display="none";     
}
function hide_menus(menudivid1,menudivid2)
{
    document.getElementById(menudivid1).style.display="none";
    document.getElementById(menudivid2).style.display="none";
}