function submitOnEnter() {
    if (!e) var e = window.event;
    if (e.keyCode) code = e.keyCode;
	if (code == 13) {
		document.forms[0].submit();
		return false;
	} else alert(code);
}

function showcat(id) {
    var div;
    for (i = 1; i <=10; i++) {
        div = document.getElementById("sub" + i);
        if (div) div.style.display = "none";
        div = document.getElementById("catnav" + i);
        if (div) div.className = "subnav";
    }
    
    div = document.getElementById("sub" + id);
    if (div) div.style.display = "block";
    div = document.getElementById("catnav" + id);
    if (div) div.className = "subnavactive";
   
    //div.style.display = (div.style.display == "block") ? "none" : "block";
}

function restorecat(id) {
    div = document.getElementById("catnav" + i);
    if (div) div.className = "subnav";
}

function hover(name) {
    var img = document.getElementById("nav" + name);
    if (img) {
        img.src = "/images/" + name + "_on.gif";
        //img.src = "/images/" + name + ".gif";
    }
}

function restore(name) {
    var img = document.getElementById("nav" + name);
    if (img) {
        img.src = "/images/" + name + ".gif";
    }
}