if (document.images) {
    menu_1off = new Image();
    menu_1off.src = "images/menu_1off.jpg";
    menu_1over = new Image();
    menu_1over.src = "images/menu_1over.jpg";
    
    menu_2off = new Image();
    menu_2off.src = "images/menu_2off.jpg";
    menu_2over = new Image();
    menu_2over.src = "images/menu_2over.jpg";
    
    menu_3off = new Image();
    menu_3off.src = "images/menu_3off.jpg";
    menu_3over = new Image();
    menu_3over.src = "images/menu_3over.jpg";
    
    menu_4off = new Image();
    menu_4off.src = "images/menu_4off.jpg";
    menu_4over = new Image();
    menu_4over.src = "images/menu_4over.jpg";
    
    menu_5off = new Image();
    menu_5off.src = "images/menu_5off.jpg";
    menu_5over = new Image();
    menu_5over.src = "images/menu_5over.jpg";

    menu_6off = new Image();
    menu_6off.src = "images/menu_6off.jpg";
    menu_6over = new Image();
    menu_6over.src = "images/menu_6over.jpg";
}

function onoff(imgName,state) {
    if (document.images) {
       document.images[imgName].src = eval(imgName+state+".src");
    }
}

var OB=0;
function charcount(pole,dlug) {
    if (dlug!='') {
        OB=dlug-pole.value.length;
        window.self.status= 'Liczba znaków do wprowadzenia=' + OB;
        if (OB<0) {
            pole.value=pole.value.substring(0,pole.value.length+OB-1);
            OB=dlug-pole.value.length;
            window.self.status= 'Liczba znaków do wprowadzenia=' + OB;
            alert("Wprowadzony tekst jest za długi !!!");
        }
    }
}

function zamienApostrofy(pole) {
    tekst = pole.value.toString();
    var z = eval("/'/g");
    var na= '"';
    tekst = tekst.replace(z, na);
    pole.value = tekst;
}