var week = 0;
function uu_timetable_ontop(elem)
{
	var x=document.getElementsByTagName("div");
	for (i=0; i<x.length; i++) {
		document.getElementById('item'+i).className='not' + document.getElementById('item'+i).className.substr(3);
	}
	elem.className='sot' + elem.className.substr(3);
}

function uu_timetable_weekchange(op) {
	switch (op) {
		case "add":
			week++;
			break;
		case "sub":
			week--;
			break;
		case "today":
			week = 0;
			break;
	}
	ajaxFunction("timetable.php", "w="+week, "uu_timetable", true, "get", "timetable_bar");
}

function uu_timetable_showitmes(elem) {
	var showtype = elem.selectedIndex;
	ajaxFunction("timetable.php", "w="+week+"&s="+showtype, "uu_timetable", true, "get", "timetable_bar");
}
function uu_timetable_nowbar() {
	var barElem = document.getElementById("nowbar");
	if (barElem != null) {
		var dateObject = new Date();
		var pixels = 50+(((parseInt(dateObject.getHours())-8)*60)+parseInt(dateObject.getMinutes()))*1.682;
		if ((pixels >= 50) && (pixels <= 1158)) {
			barElem.style.marginTop = pixels+'px';
			barElem.style.display = "";
		} else {
			barElem.style.display = "none";
		}
		setTimeout(function() {uu_timetable_nowbar()}, 60000);
	}
}