var hlasovano = 0;


function navrat()
{
	var l, mess, blok, blok_in;
	if( AJAX.readyState == 4 && AJAX.status == 200 )
	{
		blok_in = AJAX.responseText;
		l = blok_in.indexOf( '|' );
		mess = blok_in.substr( 0, l );
		if( mess == 'O.K.')
		{
			l = blok_in.indexOf( '<div id="hpanketa"', l );
			var odx = blok_in.indexOf( '>', l ) + 1;
			var dox = blok_in.lastIndexOf( '<' );
			if( blok = getObj( 'hpanketa' ) ) blok.innerHTML = blok_in.substring( odx, dox );
		}
		else alert( mess );
	}
}

function hlasuj( idAnkety, idHlasu )
{
	if( hlasovano )
	{
		alert( 'Nelze hlasovat znovu!' );
		return;
	}
	
	var params = 'idAnkety=' + idAnkety;
	params+= '&odpoved=' + idHlasu;

	sendRequest( navrat, '/hlasovani.php', params );
	hlasovano = 1;
}