function getAnemoData()
 {
    jQuery.ajax(
    {
        type: "POST",
        url: "http://www.mikronet.cz/system/anemo_ajax.php?rnd="+Math.random(),
        dataType: "json",
        
        success: function (data,status)
        {
            jQuery('#data_wind_speed').html(data.rychlost);
            jQuery('#data_wind_gust').html(data.naraz);
            jQuery('#data_smer_vetru').attr('src','http://www.mikronet.cz/system/anemo_img.php?src=ar'+data.smer+'.gif');
        },
        
        cache: false
    });
    
    setTimeout("getAnemoData()", 1000);
 }
 
 setTimeout("getAnemoData()", 1000);