function skontroluj_polia(){
    var pole_labelov_text = new Array('meno','priezvisko','narodenie','rodne_cislo','adresa','telc','mobil','email','zamestnavatel','adr_zamestnavatel','pozicia','telc_zam','email_zam','model','obsah','rok','spz','ucet');
    var pole_labelov_check = new Array('vztah_k_autu','prispevok');
    var label = "";
    //alert ("1");
    for (i=0;i<pole_labelov_text.length;i++){
        //alert("1");
        label = "label_" + pole_labelov_text[i];
        //alert("2");
        if ((document.getElementById(label)!=null)){
            if (document.getElementById(pole_labelov_text[i]).value==""){
                document.getElementById(label).style.color = "red";
            }
        }

    }
    for (i=0;i<pole_labelov_check.length;i++){
        //alert("1");
        label = "label_" + pole_labelov_check[i];
        //alert("2");
        if ((document.getElementById(label)!=null)){
            if ((document.getElementById(pole_labelov_check[i]+"1").checked != true)&&(document.getElementById(pole_labelov_check[i]+"2").checked != true)){
                document.getElementById(label).style.color = "red";
            }
        }

    }
}

function vyprazdni_polia(){
    var pole_labelov_text = new Array('meno','priezvisko','narodenie','rodne_cislo','adresa','telc','mobil','email','zamestnavatel','adr_zamestnavatel','pozicia','telc_zam','email_zam','model','obsah','rok','spz','ucet');
    var pole_labelov_check = new Array('vztah_k_autu','prispevok');
    //alert ("1");
    for (i=0;i<pole_labelov_text.length;i++){
        if ((document.getElementById(pole_labelov_text[i])!=null)){
            document.getElementById(pole_labelov_text[i]).value="";
        }
    }
    for (i=0;i<pole_labelov_check.length;i++){
        if ((document.getElementById(pole_labelov_check[i]+"1")!=null)&&(document.getElementById(pole_labelov_check[i]+"2")!=null)){
            document.getElementById(pole_labelov_check[i]+"1").checked = false;
            document.getElementById(pole_labelov_check[i]+"2").checked = false;
        }
    }
}

function zobraz (){
    if ((document.getElementById('chyba1')!=null)){
        document.getElementById('chyba1').style.display="block";
    }
    if ((document.getElementById('chyba2')!=null)){
        document.getElementById('chyba2').style.display="block";
    }
}

function skri (){
    if ((document.getElementById('chyba1')!=null)){
        document.getElementById('chyba1').style.display="none";
    }
    if ((document.getElementById('chyba2')!=null)){
        document.getElementById('chyba2').style.display="none";
    }
}