ÿþ//Toursearch calendar script



function ConstructCalendar(containerId)

{

    var calendar = new Object();

    calendar._container = document.getElementById(containerId);

    calendar._container.style.display = "none";

    

    var markup = "";

    markup += "<div id=\"in-cal\" class=\"in-cal\"><!--[if lte IE 6.5]><iframe></iframe><![endif]-->";

    markup += "<div class=\"kalendar\"><center>";

    markup += "<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\" width=\"196\"><tr class=\"cal-head\">";

    markup += "<td valign=\"top\" width=\"5px\"><a id=\""+containerId+"_prvLnk\" class=\"cal-link\" style=\"cursor:pointer\"><img src=\"/images/prev.gif\" width=\"5\" height=\"9\" align=\"top\" alt=\"@54K4CI89\" border=0></a></td>";

    markup += "<td align=\"center\" width=\"186px\" class=\"kalendarhead\"><span id=\""+containerId+"_sheettitle\"></span></td>";

    markup += "<td valign=\"top\" align=\"right\" width=\"5px\"><a id=\""+containerId+"_nxtLnk\" class=\"cal-link\" style=\"cursor:pointer\"><img src=\"/images/next.gif\" align=\"top\" width=\"5\" height=\"9\" alt=\"!;54CNI89\" border=\"0\"/></a></td>";

    markup += "</tr></table>";

    markup += "<div class=\"del\"></div>";

    markup += "<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\" class=\"tbdays\">";

    markup += "<tr class=\"days\"><td width=\"20\">?=</td><td width=\"20\">2B</td><td width=\"20\">A@</td><td width=\"20\">GB</td><td width=\"20\">?B</td><td width=\"20\">A1</td><td width=\"20\">2A</td></tr>";

    markup += "</table>";

    markup += "<div class=\"del\"></div>";

    markup += "<table id=\""+containerId+"_sheetdates\" class=\"tbdates\"></table>";

    markup += "</center></div>"; 

    markup += "</div>";

    calendar._container.innerHTML = markup;

    

    //fields

    calendar._curSheet = {"year" : new Date().getFullYear(), "month" : new Date().getMonth()};

    calendar._on = false;

    calendar._hold = false;

    calendar._activeDates = new Array();

    

    //functions

    calendar._stepBack = _stepBack;

    calendar._stepFwd = _stepFwd;

    calendar._drawSheet = _drawSheet;

    calendar._changeSheet = _changeSheet;

    calendar._constructDatesGrid = _constructDatesGrid ;

    calendar._onDateClick = _onDateClick;

    calendar._getDatesEdge = _getDatesEdge;

    

    //controls

    calendar._title = document.getElementById(containerId+"_sheettitle");

    calendar._dates = document.getElementById(containerId+"_sheetdates");

    calendar._prvLnk = document.getElementById(containerId+"_prvLnk");

    calendar._nxtLnk = document.getElementById(containerId+"_nxtLnk");

    registerEventHandler(calendar._prvLnk, "click", function(){calendar._stepBack();} );

    registerEventHandler(calendar._nxtLnk, "click", function(){calendar._stepFwd();} );

        

    

    //public functions

    calendar.setActiveDates = _setActiveDates;

    calendar.getSelectedDate = _getSelectedDate;

    calendar.selectDate = _selectDate;

    calendar.swtch = _switch;

	calendar.eventDateSelected = function(){};

	

	

	

	calendar._onCalendarClick = function()

	{

	    calendar._hold = true;	    

	}

	

	calendar._onBodyClick = function()

	{

	    if(calendar._hold == true)

	    {

	        calendar._hold = false;

	    }

	    else if(calendar._on)

	    {

	        calendar.swtch();	    

	    }

	    /*if(calendar._on && !calendar._opening)

	    {

	        var elem = event.srcElement;

    	    

	        if(elem != null)

	        {

	            var search = bubbleSearchElement(elem, calendar._container.id);

	            alert("elem" + search);

	            if(!search)

                    calendar.swtch();

	        }

	        

	        calendar._opening = false;	        

	    }*/

	}

	

	registerEventHandler(calendar._container, "click", calendar._onCalendarClick );

	registerEventHandler(document.body, "click", calendar._onBodyClick);

	

	var date = new Date();

	var nowyear = date.getFullYear();

	nowyear += 2;	

	date.setYear(nowyear);  

    

    return calendar;

}



function _drawSheet()

{

    var year = this._curSheet.year;

    var month = this._curSheet.month;

    this._prvLnk.style.visibility = "hidden";

    this._nxtLnk.style.visibility = "hidden";

    

    if(this._activeDates.length > 0 )

    {

        if(compareDates(new Date(year, month, 1), this._getDatesEdge(false)) == 1)

            this._prvLnk.style.visibility = "visible";

            

        if(compareDates(new Date(year, month, getMonthDaysCount(year, month)), this._getDatesEdge(true)) == -1)

            this._nxtLnk.style.visibility = "visible";

    }

        

    this._title.innerHTML = monthNames[month] + " " + year;    

    this._constructDatesGrid(year, month);

}



function _changeSheet(year, month)

{

    var newSheet = {"year" : year, "month" : month}

    this._curSheet = newSheet;

    this._drawSheet();    

}



function _constructDatesGrid(year, month)

{

    while(this._dates.rows.length != 0)

        this._dates.deleteRow(0);

        

    var d = new Date(year, month, 1);

    var firstDay = subDay(d.getDay());

    var daysCount = getMonthDaysCount(year, month);   

    var curDay = firstDay;  

    

    var row; 

    

    if(curDay > 0)

    {

        row = this._dates.insertRow(-1);        

        

        for(var i=0; i<curDay; i++)

        {

            var cell = row.insertCell(-1);

            cell.innerHTML = "&nbsp;";

            cell.width = "20px";

        }

    }



    for(var i=1; i<daysCount+1 ; i++)

    {        

        if(curDay == 0 || row == null)

            row = this._dates.insertRow(-1);

        

        var date = new Date(year, month, i);

        

        var cell = row.insertCell(-1);

        cell.innerHTML = i;

        cell.width = "20px";



        var setHandler = false;        

        var isActive = false;



        for(var j = 0; j < this._activeDates.length; j++)

        {

            if(compareDates(date, this._activeDates[j]) == 0)

            {

                isActive = true;

                break;

            }

        }

        

        if(this._selectedDate != null && compareDates(date, this._selectedDate) == 0)

        {

            setHandler = true;

            cell.style.cursor = "pointer";

            cell.className = "days_ch today";              

        }

        else if(isActive)

        {

            setHandler = true;

            cell.style.cursor = "pointer";

            cell.className = "redday";

        }

        else

        {

            cell.className = "days_ch";

        }

        

        if(setHandler)

        {

            var clndr = this;

            registerEventHandler(cell, "click", produceDateClickEventHandler(this, i));        

        }

        

        curDay = addDay(curDay);

    }

    

    if(curDay != 0)

    {       

        for(var i=curDay; i<7; i++)

        {

            var cell = row.insertCell(-1);

            cell.innerHTML = "&nbsp;";

            cell.width = "20px";

        }

    }

}



function produceDateClickEventHandler(calendar, dateNum)

{

    return function(){calendar._onDateClick(dateNum);}

}



function _onDateClick(day)

{

    var date = new Date(this._curSheet.year, this._curSheet.month, day);

    

    if(this.eventDateSelected)

    {

        this.eventDateSelected(date);

    }

        

    this.selectDate(date);

}



function _selectDate(date)

{

    if(this._activeDates.length > 0)

    {

        var isActive = false;

        

        for(var i = 0; i < this._activeDates.length; i++)

        {

            if(compareDates(date,this._activeDates[i]) == 0)

            {

                isActive = true;

                break;

            }

        }

        

        if(!isActive)

            this._selectedDate = this._getDatesEdge(false);

        else

            this._selectedDate = date;

            

        this._changeSheet(this._selectedDate.getFullYear(), this._selectedDate.getMonth());

        

        if(this._on)

            this.swtch();

    }

}



function _setActiveDates(dates)

{

    

    if(dates.length > 0)

    {

        this._activeDates = dates;

        

        if(this._selectedDate != null)

            this.selectDate(this._selectedDate);

        else

            this.selectDate(new Date());   

    }    

}



function _stepBack()

{

    if(!(this._curSheet.year == this._getDatesEdge(false).getFullYear() && this._curSheet.month == this._getDatesEdge(false).getMonth()))

    {

        var date = new Date(this._curSheet.year, this._curSheet.month, 1);

        date.setMonth(date.getMonth()-1); 

        this._changeSheet(date.getFullYear(), date.getMonth());

    }

}



function _stepFwd()

{

    if(!(this._curSheet.year == this._getDatesEdge(true).getFullYear() && this._curSheet.month == this._getDatesEdge(true).getMonth()))

    {

        var date = new Date(this._curSheet.year, this._curSheet.month, 1);

        date.setMonth(date.getMonth()+1); 

        this._changeSheet(date.getFullYear(), date.getMonth());

    }

    

}



function _switch( date )

{

    if(this._on)

    {

        this._container.style.display = "none";        

    }

    else

    {

		if( date!=null )

		{

			this.selectDate( date );

		}

        this._hold = true;

        this._container.style.display = "inline";

        this._drawSheet();        

        

    }

    

    this._on = !this._on;    

}



function _getSelectedDate()

{

    return _selectedDate;

}



function _getDatesEdge(max)

{

    var edge;

    

    if(this._activeDates.length > 0)

    {

        edge = this._activeDates[0];

    

        for(var i = 1; i < this._activeDates.length; i++)

        {

            if(max)

            {

                if(compareDates(this._activeDates[i], edge) == 1)

                    edge = this._activeDates[i];

            }

            else

            {//alert(this._activeDates[i]);

                if(compareDates(this._activeDates[i], edge) == -1)

                        edge = this._activeDates[i];    

            }

        }

    }

    

    return edge;

}





//Global



var monthNames = ["/=20@L", "$52@0;L", "0@B", "?@5;L", "09", "N=L", "N;L", "23CAB", "!5=BO1@L", ":BO1@L", ">O1@L", "5:01@L"];



function addDay(day)

{

    day++;

    

    if(day == 7)

        day = 0;

        

    return day;        

}



function subDay(day)

{

    day--;

    

    if(day == -1)

        day = 6;

        

    return day;        

}



function getMonthDaysCount(year, month)

{

    var daysCount;

    

    switch(month)

    {

        case 1:

            var d = new Date(year, 1, 29);

            daysCount = d.getMonth() == 2 ? 28 : 29;

            break;

        case 0:

        case 2:

        case 4:

        case 6:

        case 7:

        case 9:

        case 11:

            daysCount = 31;

            break;

        default:

            daysCount = 30;

            break;

    }

    

    return daysCount;

}



function compareDates(date1, date2)

{

    var year1 = date1.getFullYear();

    var year2 = date2.getFullYear();

    

    if(year1 == year2)

    {

        var month1 = date1.getMonth();

        var month2 = date2.getMonth();

        if(month1 == month2)

        {

            var d1 = date1.getDate();

            var d2 = date2.getDate();



            if(d1 == d2)

                return 0;

            else if(d1 > d2)

                return 1;

            else

                return -1;

        }

        else if(month1 > month2)

            return 1;

        else

            return -1;

    }

    else if(year1 > year2)

        return 1;

    else

        return -1;

}



function bubbleSearchElement(nestedElement, id)

{

    if(nestedElement.id == id)

		return true;

	else if(nestedElement.parentElement)

		return bubbleSearchElement(nestedElement.parentElement , id);

		

	return false;

}



function registerEventHandler(element, evnt, handler)

{

    if(element.attachEvent)//IE

        element.attachEvent("on"+evnt, handler);

    else//Others

        element.addEventListener(evnt, handler, false);



}



function bindDateToField(field ,date)

{

    var datenum = date.getDate();

    var month = date.getMonth()+1;

    var year = date.getFullYear();

    

    var value = (datenum < 10 ? '0'+ datenum : datenum) + '.' +

                (month < 10 ? '0'+ month : month) + '.' +

                (year < 10 ? '0'+ year : year);

                

    field.value = value;

    

    if(field.onchange)

        field.onchange();

}