function mailsendo(ob)
{

 advAJAX.assign(document.getElementById(ob), {

 
    onSuccess : function(obj) {
    document.getElementById("menu_mform").innerHTML =  obj.responseText; },
    onLoading : function(obj) { document.getElementById("menu_mform").innerHTML = "<div style=\"height : 126px; margin-top : 76px; text-align : center\"><img src=\"img/ajax-loader.gif\"></div>"; },
    onError : function(obj) { alert("Error: " + obj.status); }
, disableForm : false 
});
}

function czek_form()
{

varku = document.getElementById('zgoda_f');


if(varku.checked == true)
{  return true; }
else
{ alert("zaznacz zgode"); return false;  }
}