function menuClick(DivCurId) {

    var IdCounter = 1;
    var DivCurShow = document.getElementById("DivMenu_" + DivCurId);


    while (document.getElementById("DivMenu_" + IdCounter) != null) {
        document.getElementById("DivMenu_" + IdCounter).style.display = "none";
        document.getElementById("BtnDivMenu_" + IdCounter).className = "MenuLink" + IdCounter;

        IdCounter++;
    }
    DivCurShow.style.display = "block"
    document.getElementById("BtnDivMenu_" + DivCurId).className = "OnMenuLink" + DivCurId;
}