var     fixedX = -1;
var     fixedY = -1;
var startAt = 1;
var     crossobj, monthSelected, yearSelected, dateSelected, omonthSelected, oyearSelected, odateSelected, monthConstructed, yearConstructed, ctlToPlaceValue, ctlNow, dateFormat, nStartingYear
var     bPageLoaded=false
var     today = new     Date()
var     dateNow  = today.getDate()
var     monthNow = today.getMonth()
var     yearNow  = today.getYear()
var bShow = false;

/*** For language packs, month/day names should be changed here  ***/
var     monthName =     new Array("Январь", "Февраль", "Март", "Апрель", "Май", "Июнь", "Июль", "Август", "Сентябрь", "Октябрь","Ноябрь", "Декабрь")
var dayName = new Array("П","Вт","Ср","Ч","Пт","Сб","Вс")

if (dom)
{
        document.write ("<div onclick='bShow=true' id='calendar' class='div-style'>\n");
        document.write ("<table width='140' class='table-style'>\n");
        document.write ("<tr class='title-background-style' >\n");
        document.write ("       <td width='100%'>\n");
        document.write ("       <table width='100%'>\n");
        document.write ("               <tr>\n");
        document.write ("                       <td class='title-style'>\n");
        document.write ("                               <span id='caption'></span>\n");
        document.write ("                       </td>\n");
        document.write ("               </tr>\n");
        document.write ("               </table>\n");
        document.write ("       </td>\n");
        document.write ("</tr>\n");
        document.write ("<tr>\n");
        document.write ("       <td width='100%' class='body-style'>\n");
        document.write ("               <span id='content'></span>\n");
        document.write ("       </td>\n");
        document.write ("</tr>");
        document.write ("</table>")
        document.write ("</div>");
}

function hideCalendar() {
        crossobj.visibility="hidden"
        showElement( 'SELECT' );
        showElement( 'APPLET' );
}

function padZero(num) {
        return (num     < 10)? '0' + num : num ;
}

function constructDate(d,m,y)
{
        sTmp = dateFormat
        sTmp = sTmp.replace     ("dd","<e>")
        sTmp = sTmp.replace     ("d","<d>")
        sTmp = sTmp.replace     ("<e>",padZero(d))
        sTmp = sTmp.replace     ("<d>",d)
        sTmp = sTmp.replace     ("mmm","<o>")
        sTmp = sTmp.replace     ("mm","<n>")
        sTmp = sTmp.replace     ("m","<m>")
        sTmp = sTmp.replace     ("<m>",m+1)
        sTmp = sTmp.replace     ("<n>",padZero(m+1))
        sTmp = sTmp.replace     ("<o>",monthName[m])
        return sTmp.replace ("yyyy",y)
}

function closeCalendar() {
        var     sTmp

        hideCalendar();
        ctlToPlaceValue.value = constructDate(dateSelected,monthSelected,yearSelected)
}

function incMonth () {
        monthSelected++
        if (monthSelected>11) {
                monthSelected=0
                yearSelected++
        }
        constructCalendar()
}

function decMonth () {
        monthSelected--
        if (monthSelected<0) {
                monthSelected=11
                yearSelected--
        }
        constructCalendar()
}



function incYear () {
        yearSelected++
        constructCalendar()
}

function decYear () {
        yearSelected--
        constructCalendar()
}






/*** calendar ***/

function constructCalendar () {
        var dateMessage
        var     startDate =     new     Date (yearSelected,monthSelected,1)
        var     endDate = new Date (yearSelected,monthSelected+1,1);
        endDate = new Date (endDate     - (24*60*60*1000));
        numDaysInMonth = endDate.getDate()

        datePointer     = 0
        dayPointer = startDate.getDay() - startAt

        if (dayPointer < 0)
        {
                dayPointer = 6
        }

        sHTML = "<table width='100%' border='0' cellpadding='1' cellspacing='1' class='body-style'><tr>"

        for     (i=0; i<7; i++) {
                sHTML += "<td width='15' align='center'><B>"+ dayName[i]+"</B></td>"
        }
        sHTML +="</tr><tr>"

        for     ( var i=1; i<=dayPointer;i++ )
        {
                sHTML += "<td>&nbsp;</td>"
        }

        for     ( datePointer=1; datePointer<=numDaysInMonth; datePointer++ )
        {
                dayPointer++;
                sHTML += "<td width='15' align='center'>"

                var sStyle="normal-day-style"; //regular day

                if ((datePointer==dateNow)&&(monthSelected==monthNow)&&(yearSelected==yearNow)) //today
                { sStyle = "current-day-style"; }

                //selected day
                if ((datePointer==odateSelected) &&     (monthSelected==omonthSelected) && (yearSelected==oyearSelected))
                { sStyle += " selected-day-style"; }

                sHint = ""

                var regexp= /\"/g
                sHint=sHint.replace(regexp,"&quot;")

                sHTML += "<a class='"+sStyle+"' title=\"" + sHint + "\" href='javascript:dateSelected="+datePointer+";closeCalendar();'>" + datePointer + "</a>"
                if ((dayPointer+startAt) % 7 == startAt) {
                        sHTML += "</tr><tr>"
                }
        }

        document.getElementById("content").innerHTML   = sHTML
        document.getElementById("spanMonth").innerHTML = monthName[monthSelected]
        document.getElementById("spanYear").innerHTML = yearSelected
}

function popUpCalendar(ctl, ctl2, format) {

         if(typeof(ctl2) == 'string')
           ctl2 = document.getElementById(ctl2);

        var     leftpos=0
        var     toppos=0

  DocumentRegisterEvents();
        if (bPageLoaded)
        {
                if ( crossobj.visibility ==     "hidden" ) {
                        ctlToPlaceValue = ctl2
                        dateFormat=format;

                        formatChar = " "
                        aFormat = dateFormat.split(formatChar)
                        if (aFormat.length<3)
                        {
                                formatChar = "/"
                                aFormat = dateFormat.split(formatChar)
                                if (aFormat.length<3)
                                {
                                        formatChar = "."
                                        aFormat = dateFormat.split(formatChar)
                                        if (aFormat.length<3)
                                        {
                                                formatChar = "-"
                                                aFormat = dateFormat.split(formatChar)
                                                if (aFormat.length<3)
                                                {
                                                        // invalid date format
                                                        formatChar=""
                                                }
                                        }
                                }
                        }

                        tokensChanged = 0
                        if ( formatChar != "" )
                        {
                                // use user's date
                                aData = ctl2.value.split(formatChar)

                                for     (i=0;i<3;i++)
                                {
                                        if ((aFormat[i]=="d") || (aFormat[i]=="dd"))
                                        {
                                                dateSelected = parseInt(aData[i], 10)
                                                tokensChanged ++
                                        }
                                        else if ((aFormat[i]=="m") || (aFormat[i]=="mm"))
                                        {
                                                monthSelected = parseInt(aData[i], 10) - 1
                                                tokensChanged ++
                                        }
                                        else if (aFormat[i]=="yyyy")
                                        {
                                                yearSelected = parseInt(aData[i], 10)
                                                tokensChanged ++
                                        }
                                        else if (aFormat[i]=="mmm")
                                        {
                                                for     (j=0; j<12;     j++)
                                                {
                                                        if (aData[i]==monthName[j])
                                                        {
                                                                monthSelected=j
                                                                tokensChanged ++
                                                        }
                                                }
                                        }
                                }
                        }

                        if ((tokensChanged!=3)||isNaN(dateSelected)||isNaN(monthSelected)||isNaN(yearSelected))
                        {
                                dateSelected = dateNow
                                monthSelected = monthNow
                                yearSelected = yearNow
                        }

                        odateSelected=dateSelected
                        omonthSelected=monthSelected
                        oyearSelected=yearSelected

                        aTag = ctl
                        do {
                                aTag = aTag.offsetParent;
                                leftpos += aTag.offsetLeft;
                                toppos += aTag.offsetTop;
                        } while(aTag.tagName!="BODY");

                        crossobj.left = (fixedX == -1 ? ctl.offsetLeft + leftpos : fixedX) + 'px';

                        crossobj.top  = (fixedY == -1 ? ctl.offsetTop  + toppos + ctl.offsetHeight + 2 : fixedY) + 'px';

                        constructCalendar (1, monthSelected, yearSelected);
                        crossobj.visibility=(dom||ie)? "visible" : "show"
                        
                        hideElement( 'SELECT', document.getElementById("calendar") );
                        hideElement( 'APPLET', document.getElementById("calendar") );                   

                        bShow = true;
                }
        }
        else
        {
                DateSelectorInit()
                popUpCalendar(ctl, ctl2, format)
        }
}

function DateSelectorInit()     {
        if (!ns4)
        {
                if (!ie) { yearNow += 1900      }

                crossobj=(dom)?document.getElementById("calendar").style : ie? document.all.calendar : document.calendar
                hideCalendar()

                monthConstructed=false;
                yearConstructed=false;

                sHTML1 = "<table width='100%' border='0' cellpadding='0' cellspacing='0'>\n";
                sHTML1 += "<tr>\n";
                sHTML1 += "     <td width='5'><span id='spanLeft' class='title-control-normal-style' onclick='javascript:decYear()'>&lt;</span></td>\n";
                sHTML1 += "     <td width='100%' align='center'><span id='spanYear' class='title-control-normal-style'></span></td>\n";
                sHTML1 += "     <td width='5'><span id='spanRight' class='title-control-normal-style' onclick='incYear()'>&gt;</span></td>\n";
                sHTML1 += "</tr>\n";

                sHTML1 += "<tr>\n";
                sHTML1 += "     <td width='5'><span id='spanLeft' class='title-control-normal-style' onclick='javascript:decMonth()'>&lt;</span></td>\n";
                sHTML1 += "     <td width='100%' align='center'><span id='spanMonth' class='title-control-normal-style'></span></td>\n";
                sHTML1 += "     <td width='5'><span id='spanRight' class='title-control-normal-style' onclick='incMonth()'>&gt;</span></td>\n";
                sHTML1 += "</tr>\n";

                sHTML1 += "</table>\n";

                document.getElementById("caption").innerHTML  = sHTML1

                bPageLoaded=true
        }
}

function DocumentRegisterEvents()
{
  document.onkeypress = function hideCalender_Trap1 () 
  {
          if (event.keyCode == 27)
          {
      hideCalendar();
          }
  }

  document.onclick = function hideCalender_Trap2()
  {
          if (!bShow)
          {
      hideCalendar();
          }
          bShow = false
  }
}