function prepareTersegHirei()
{
	var i;
	var k;
	var x;
	var cookie;
	
	cookie = getCookie( "terseg" );
	if ( !cookie )
	{
		cookie = 0;
	}
	else
	{
		if ( cookie < 0 || cookie > 4 ) cookie = 0;
	}
	setCookie( "terseg", cookie, 2400 );
	for ( i = 0; i <= 4; i++ )
	{
		x = document.getElementById( "tersegHirei_" + i );
		if ( x ) x.style.display = i != cookie ? "none" : "block";
		x = document.getElementById( "tersegHireiAlso_" + i );
		if ( x ) x.style.display = i != cookie ? "none" : "block";
	}
}

function changeTerseg( terseg )
{
	if ( terseg >= 0 && terseg <= 4 )
	{
		var x;
		var k;
		setCookie( "terseg" , terseg , 2400 );
		for( k = 0; k < 5; k++ )
		{
			document.getElementById( "tersegHirei_" + k ).style.display = k != terseg ? "none" : "block";
			document.getElementById( "tersegHireiAlso_" + k ).style.display = k != terseg ? "none" : "block";
		}
		reteg = document.getElementById( 'tersegHirei_' + terseg );
		i = document.getElementById( 'tersegBal' + terseg ).offsetHeight;
		j = document.getElementById( 'tersegJobb' + terseg ).offsetHeight;
		reteg.style.height = ( ( i > j ? i : j ) + 10 ) + 'px';
		document.getElementById( 'tersegHireiKeret' ).style.height = ( parseInt( reteg.style.height ) + document.getElementById('tersegHireiCim').offsetHeight + 18 ) + 'px';
	}
}