function OnShowImpressum()
{
	ShowDialog( './impressum.html', 657, 440 );
}
function OnShowContact()
{
	ShowDialog( './contact.html', 657, 440 );
}
function OnShowAnnouncement()
{
	ShowDialog( './announce.php', 657, 440 );
}
function OnICalendar()
{
	ShowDialog( './iCalendarWeek.php', 600, 300 );
}
function OnICalendarToday()
{
	ShowDialog( './iCalendarToday.php', 600, 200 );
}

var lCardID = -1;
function OnWeekSelected( list )
{
	if( list.value != lCardID )
	{
		lCardID = list.value;
		Refresh();
	}
}

function Refresh()
{
	var strURL = './index.php?page=2';
	if( lCardID > 0 )
	{
		strURL += '&week=' + lCardID;
	}
	window.location = strURL;
}

function DeleteEntry( strName, strURL )
{
	var bOK = false;
	if( strName == '' )
	{
		bOK = window.confirm( "Eintrag löschen?" );
	}
	else
	{
		bOK = window.confirm( "Eintrag <" + strName + "> löschen?" );
	}
	if( bOK ==true )
	{
		window.location = strURL;
	}
}