var countSelectedChannels = 0;
function roll(imageElementId, image2) {	
	$(imageElementId).src = "/images/" + image2 + ".gif";
}

function changeDay(date) {
	$('chooseDate').value = date.toString();
}

function showHideListAllChannels() {
	if ($('list_all_channels').style.display) {
		if ($('list_all_channels').style.display = "none") {
			$('list_all_channels').show();
		} else {
			$('list_all_channels').hide();
		}
	} else {
		$('list_all_channels').hide();
	}
}
function incrementCountSelectedChannels(elementId) {
	if ($(elementId).checked) {
		countSelectedChannels += 1;
	} else {
		countSelectedChannels -= 1;
	}
	if (countSelectedChannels > 5) {
		$(elementId).checked = false;
		countSelectedChannels -= 1;
	}
	$('count_selected_channels').innerHTML = countSelectedChannels;
	$('count_remaining_channels').innerHTML = 5-countSelectedChannels;
}