function menu() {
  if (document.getElementById("ddmenu").style.display == "none") { 
    document.getElementById("ddmenu").style.display = "block";
    document.getElementById("ddbottom").style.display = "block"; 
    document.getElementById("navbutton").src = "images/b_bar_nav_on.jpg";
    document.getElementById("navtext").style.borderBottom = "0px solid";
    document.getElementById("navtext").style.color = "#2996aa";
    document.getElementById("navleft").style.background = "url('images/bg_input_l_on.jpg') right no-repeat";
  } else {
    document.getElementById("ddmenu").style.display = "none"; 
    document.getElementById("ddbottom").style.display = "none"; 
    document.getElementById("navbutton").src = "images/b_bar_nav.jpg";
    document.getElementById("navtext").style.color = "#888";
    document.getElementById("navtext").style.borderBottom = "1px solid #494949";
    document.getElementById("navleft").style.background = "url('images/bg_input_l.jpg') right no-repeat";
  }
}

var kikapcsolas = 0;

function kikapcs() { kikapcsolas = setTimeout('ki()', 700); }

function bekapcs() { clearTimeout(kikapcsolas); kikapcsolas = 0; }

function ki() {
  if ((document.getElementById("ddmenu").style.display == "block") && (kikapcsolas)) { 
    menu();
    kikapcsolas = 0;
  }
}