function markTypes(elm) {
	type = $(elm).attr('tname');
	selected = ($(elm).attr('selected') == 0);
	doTypeMarking(type,selected);
}
function doTypeMarking(type,selected) {
	elm = document.getElementById('types_'+ type);
	if(!selected) {
		$(elm).attr('src','/imgs/design/epg/markers/'+ type +'.gif');
		$(elm).attr('selected',0);
		$('img[pType='+type+']').hide();
	} else {
		$(elm).attr('src','/imgs/design/epg/markers/'+ type +'Selected.gif');
		$(elm).attr('selected',1);
		$('img[pType='+type+']').show();
	}
	//saves the mark for next pageload
	marked = readCookie('markTypes');
	if(marked == null) marked = '1,1,1,1,1,1';
	myTypeMarking = marked.split(',');
	
	switch(type) {
		case 'movie':
			i = 0;
			break;
		case 'serie':
			i = 1;
			break;
		case 'sport':
			i = 2;
			break;
		case 'documentary':
			i = 3;
			break;
		case 'news':
			i = 4;
			break;
		case 'kids':
			i = 5;
			break;
	}
	myTypeMarking[i] = selected?1:0;
	myTypeMarkingString = myTypeMarking.join(',');
	saveCookie('markTypes',myTypeMarking,356);
}
//do marking
function initTypeMarking() {
	marked = readCookie('markTypes');
	if(marked == null) marked = '1,1,1,1,1,1';
	var myTypeMarking = marked.split(',');
	if((myTypeMarking[0]!=1)) doTypeMarking('movie',false);
	if((myTypeMarking[1]!=1)) doTypeMarking('serie',false);
	if((myTypeMarking[2]!=1)) doTypeMarking('sport',false);
	if((myTypeMarking[3]!=1)) doTypeMarking('documentary',false);
	if((myTypeMarking[4]!=1)) doTypeMarking('news',false);
	if((myTypeMarking[5]!=1)) doTypeMarking('kids',false);
}
initTypeMarking();

function saveCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

calendar = new Image();
calendar.src='/imgs/icons/calendar.gif';
function markCalendar(id) {
	$("#programNo"+id).html('<img src="/imgs/icons/calendar.gif" alt="Dette program er markeret i din TV kalender" title="Dette program er markeret i din TV kalender" style="margin-top:5px;">').attr('type','').removeClass('epgIcon');
}
function markReminder(id) {
	$("#programNo"+id).html('<img src="/imgs/icons/reminder.gif" alt="Dette program er i din påmindelsesudbakke" style="margin-top:7px;">').attr('type','').removeClass('epgIcon');
}

function markCalendarAjax(id) {
	$("#programNo"+id).html('<img src="/imgs/icons/loading.gif" alt="">');
	$.post('/scripts/profile/calendar_ajax.php',{id:id},function(res) {
		if(isNaN(res)) {
			alert(res);
		} else {
			markCalendar(id);
		}
	});
}


// listener to ALT key - on alt down we make it possible to quickly add programmes to calendar
var altPressed = false;
$(document).ready(function (){
	$.event.add(document, 'keydown', function(event){
		if(event.keyCode==18){
			altPressed = true;
			$("td.epgIcon").each(function(){
				$(this).html('<img src="/imgs/icons/calendar.gif" onclick="markCalendarAjax('+ $(this).attr('programid') +');" style="cursor:pointer;">');
			});
        }
	});
	
	$.event.add(document, 'keyup', function(){
		if(altPressed){
			altPressed = false;
			$("td.epgIcon").each(function(){
				$(this).html('<img src="/imgs/design/epg/types/'+$(this).attr('type')+'.gif" pType="'+$(this).attr('type')+'"'+ ((myTypeMarking[0]==1)?'':' style="display:none;"') +'>');
			});
        }
	});
});