function show_state(modid,select)
{
    document.getElementById('varos_'+modid+'_'+select).style.display = "";
    eval('var hide = document.'+modid+'.megye.value');
    document.getElementById('varos_'+modid+'_'+hide).style.display = "none";
    eval('document.'+modid+'.megye.value = '+select);
    eval('document.'+modid+'.varos.value = ""');
    var notBp = (select!=98 && select!=6);
    eval('document.'+modid+'.ker.disabled = '+notBp);
    if (notBp)
    {
	var ker0e = document.getElementById('ker0'+modid);
	ker0e.selected=true;
    }
}

function set_ker(modid,state)
{
    eval('document.'+modid+'.varos.value = '+state);
    eval('document.'+modid+'.ker.disabled = '+(state!=98 && state!=6));
}

function canSubmit(form)
{
    return (form.kut.value!='0' || form.megye.value!='0' || form.varos.value!='0' || form.ker.value!='0');
}

function submitsearch(form)
{
    form.terulet.value = '1,'+form.megye.value+','+form.varos.value+','+form.ker.value+',';
    var can = canSubmit(form);
    if (!can)
	alert('Állítson be legalább egy keresési feltételt!');
    return can;
}