/*
Copyright by .:ArTuR:.
Author Artur Grzybowski
*/
var monthsLengths = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
var weekdaysNames = new Array('Mon','Tue','Wed','Thu','Fri','Sat','Sun');
var monthsNames = new Array('January','February','March','April','May','June','July','August','September','October','November','December');

function calendar(day,month,year,whereSign) {
	

    
    bName = navigator.appName;
	var calendarCode = "";
    /*if (bName.substring(0,9) == "Microsoft") {
		calendarCode = calendarCode + "<br><br>";
	}*/
	
	var calendarCode = calendarCode + "<table class=\"datePicker\"><tr><td>";

	firstDayOfMonth = new Date(year,(month-1),1);
	var firstDay = firstDayOfMonth.getDay();

	if (firstDay == 0)  {
		firstDay = 7;
	}

	if(year%4==0) monthsLengths[1]=29;


	leftLink = "<a href='javascript:calendar("+day+","+month+","+(year-1)+",\""+whereSign+"\")'>&lt;&lt;</a>";
	rightLink = "<a href='javascript:calendar("+day+","+month+","+(year+1)+",\""+whereSign+"\")'>&gt;&gt;</a>";
	calendarCode = calendarCode + "<table><tr><th width=\"15%\">"+leftLink+"</th><th width=\"70%\">"+year+"</th><th width=\"15%\">"+rightLink+"</th></th>";


	leftLink = "<a href='javascript:calendar("+day+","+((month-1)<1?12:(month-1))+","+(((month-1)<1?(year-1):year))+",\""+whereSign+"\")'>&lt;&lt;</a>";
	rightLink = "<a href='javascript:calendar("+day+","+((month+1)>12?1:(month+1))+","+(((month+1)>12?(year+1):year))+",\""+whereSign+"\")'>&gt;&gt;</a>";
	calendarCode = calendarCode + "<tr><th>"+leftLink+"</th><th>"+monthsNames[month-1]+"</th><th>"+rightLink+"</th></tr></table>";

	calendarCode = calendarCode + "<table><tr>";
	
	var currentDay = 0;
	var endDay = 7;
	
	while (currentDay<endDay) {
		weekDayName = weekdaysNames[currentDay];
		weekDayName = weekDayName.substring(0,2);
		background='';
		background=(currentDay==5)?'class=\"saturday\"':background;
		background=(currentDay==6)?'class=\"sunday\"':background;
		calendarCode = calendarCode + "<td "+background+">"+weekDayName+"</td>";
		currentDay++;
	}
	
	calendarCode = calendarCode + "</tr><tr>";
	
	currentDay = 1;
	endDay = firstDay;
	var newWeekDay = 0;
	
	while (currentDay < endDay){
		background='';
		background=(currentDay==6)?'class=\"saturday\"':background;
		background=(currentDay==7)?'class=\"sunday\"':background;
		calendarCode = calendarCode + "<td "+background+">&nbsp;</td>";
		newWeekDay++;
		currentDay++;
	}
	
	currentDay = 1;
	endDay = monthsLengths[month-1];
    
    var invalid = 0;
	
	while (currentDay <= endDay){
		if (newWeekDay >= 7) {
			calendarCode = calendarCode + "</tr><tr>"; 
			newWeekDay=0;
		}
		background='';
		background=(newWeekDay==5)?'class=\"saturday\"':background;
		background=(newWeekDay==6)?'class=\"sunday\"':background;
		background=((currentDay==05&&month==02&&year==2012))?'class=\"calendar_sign\"':background;
        
        
        invalid = 0;
        
        var min_delivery_date_hidden = document.getElementById('min_delivery_date_hidden').value ;


        if(currentDay == 1) {
            if(month < 10) month='0'+month;
        }
        

        if(currentDay < 10) curDay='0'+currentDay;
        else curDay=currentDay;
    
    
        var thisDay = year+'-'+month+'-'+curDay;
		
	//zeby nie dalo sie wybrac okresu Bozego narodzenia

                var thisDate = month+'-'+curDay;
	
	          var beginHolidays = '12-22';
                var endHolidays = '01-05';

		    
		    //if(beginHolidays < thisDate && endHolidays > thisDate) invalid = 1; //not the turn of the year
		    if(beginHolidays < thisDate || endHolidays > thisDate) invalid = 1; //the turn of the year

	//koniec
        
        if(min_delivery_date_hidden > thisDay) invalid = 1;

        
        
        background=(invalid==1 && newWeekDay!=5 && newWeekDay!=6)?'class=\"invalid\"':background;

        
        if(newWeekDay==5 || newWeekDay==6 || invalid == 1) {
        calendarCode = calendarCode + "<td "+background+">"+((currentDay<10)?'0'+currentDay:currentDay);+"</td>";
        }
        else {
        calendarCode = calendarCode + "<td "+background+"><a href='javascript:createCalendar(\""+whereSign+"\"),signDate("+currentDay+","+month+","+year+",\""+whereSign+"\");'>"+((currentDay<10)?'0'+currentDay:currentDay);+"</a></td>";
        }
		newWeekDay++;
		currentDay++;
	}
	
	while (newWeekDay < 7){
		calendarCode = calendarCode + "<td>&nbsp;</td>";
		newWeekDay++;
	}
	
	calendarCode = calendarCode + "</tr></table><table><tr><th><a href='javascript:createCalendar(\""+whereSign+"\")'>Close</a></th></tr></table></td></tr></table>";
	change(whereSign+'_create_calendar','html',calendarCode);
}

function createCalendar(whereSign) {

	style(whereSign+'_create_calendar','display','block','none');
	calendar(05,02,2012,whereSign);

}

function signDate(day,month,year,whereSign){
	day=((day<10)?'0'+day:day);
	month=((month<10)?'0'+month:month);
	change(whereSign,'value',year+'-'+month+'-'+day);

//wielka proteza bo nie dziala pod FF

if(whereSign == 'delivery_date') document.getElementById('delivery_date_hidden').value =  year+'-'+month+'-'+day;
if(whereSign == 'delivery_date') document.getElementById('delivery_date').value =  day+'-'+month+'-'+year;



//if(whereSign == 'logout_search_data_to') document.form_data.logout_search_data_to.value = year+'-'+month+'-'+day;
//if(whereSign == 'logout_search_data_from') document.form_data.logout_search_data_from.value = year+'-'+month+'-'+day;
//if(whereSign == 'article_manual_add_date') document.form_data.article_manual_add_date.value = year+'-'+month+'-'+day;



}