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function Menu_OverItem (menuId, itemId, parentId) {
var menu = getMenu (menuId);
var subm = getSubMenu (menuId, itemId);
if (subm.parentMenu == null && parentId != null)
subm.parentMenu = getSubMenu (menuId, parentId);
if (subm.firstShown != true) {
var item = getMenuItem (menuId, itemId);
var offx; var offy;
if (subm.parentMenu != null) {
offx = parseInt (subm.parentMenu.style.left);
offy = parseInt (subm.parentMenu.style.top);
} else {
offx = offy = 0;
}
if (menu.dho != null) offx += menu.dho;
if (menu.dvo != null) offy += menu.dvo;
if (menu.vertical || parentId != null)
Menu_Reposition (item, subm, item.offsetWidth + offx, offy);
else
Menu_Reposition (item, subm, offx, item.offsetHeight + offy);
subm.initialLeft = subm.style.left;
subm.initialTop = subm.style.top;
subm.initialContentHeight = getMenuScrollBox (menuId, itemId, "b").offsetHeight;
subm.scrollButtonsHeight = subm.offsetHeight - subm.initialContentHeight;
var submMargin = subm.offsetHeight - subm.clientHeight;
subm.initialOffsetHeight = subm.offsetHeight - subm.scrollButtonsHeight + submMargin;
subm.firstShown = true;
}
Menu_SetActive (menu, subm);
Menu_ShowMenu (subm);
Menu_Resize (subm, menuId, itemId);
if (parentId != null && menu.dynamicHover != null)
Menu_HilighItem (menuId, itemId, menu.dynamicHover, menu.dynamicLinkHover);
else if (parentId == null && menu.staticHover != null)
Menu_HilighItem (menuId, itemId, menu.staticHover, menu.staticLinkHover);
}
function Menu_OverDynamicLeafItem (menuId, itemId, parentId) {
var menu = getMenu (menuId);
var subm = getSubMenu (menuId, parentId);
Menu_SetActive (menu, subm);
Menu_ShowMenu (subm);
if (menu.dynamicHover != null)
Menu_HilighItem (menuId, itemId, menu.dynamicHover, menu.dynamicLinkHover);
}
function Menu_OverStaticLeafItem (menuId, itemId) {
var menu = getMenu (menuId);
Menu_SetActive (menu, null);
if (menu.dynamicHover != null)
Menu_HilighItem (menuId, itemId, menu.staticHover, menu.staticLinkHover);
}
function Menu_HilighItem (menuId, itemId, hoverClass, hoverLinkClass)
{
var item = getMenuItem (menuId, itemId);
if (item.normalClass == null)
item.normalClass = item.className;
item.className = item.normalClass + " " + hoverClass;
var itemLink = getMenuItemLink (menuId, itemId);
if (itemLink.normalClass == null)
itemLink.normalClass = itemLink.className;
itemLink.className = itemLink.normalClass + " " + hoverLinkClass;
}
function Menu_OutItem (menuId, itemId, parentId) {
var menu = getMenu (menuId);
var subm = getSubMenu (menuId, itemId);
if (subm == null && parentId != null)
subm = getSubMenu (menuId, parentId);
if (subm != null)
Menu_HideMenu (menu, subm, menu.disappearAfter);
var item = getMenuItem (menuId, itemId);
if (item != null && item.normalClass != null)
item.className = item.normalClass;
var itemLink = getMenuItemLink (menuId, itemId);
if (itemLink != null && itemLink.normalClass != null)
itemLink.className = itemLink.normalClass;
}
function Menu_OverScrollBtn (menuId, parentId, updown) {
var menu = getMenu (menuId);
var subm = getSubMenu (menuId, parentId);
Menu_SetActive (menu, subm);
Menu_ShowMenu (subm);
if (subm.scrollThread != null)
clearInterval (subm.scrollThread);
var box = getMenuScrollBox (menuId, parentId, "b");
subm.scrollThread = setInterval ("Menu_ScrollMenu ('" + box.id + "','" + updown + "')", 60);
}
function Menu_OutScrollBtn (menuId, parentId, updown) {
var menu = getMenu (menuId);
var subm = getSubMenu (menuId, parentId);
if (subm.scrollThread != null)
clearInterval (subm.scrollThread);
Menu_HideMenu (menu, subm, menu.disappearAfter);
}
function Menu_ScrollMenu (boxId, updown) {
var box = document.getElementById (boxId);
if (updown == "u") box.scrollTop -= 5;
else box.scrollTop += 5;
}
function Menu_SetActive (menu, subm) {
if (menu.active != null && subm != menu.active)
Menu_HideMenu (menu, menu.active, 0);
menu.active = subm;
}
function Menu_HideMenu (menu, subm, time)
{
if (subm.timer != null) clearTimeout (subm.timer);
if (time > 0) subm.timer = setTimeout ("Menu_HideMenuCallback ('" + subm.id + "')", time);
else Menu_HideMenuCallback (subm.id);
if (subm.parentMenu != null)
Menu_HideMenu (menu, subm.parentMenu, time);
}
function Menu_HideMenuCallback (spanId)
{
var subm = document.getElementById (spanId);
subm.style.visibility = "hidden";
}
function Menu_ShowMenu (subm)
{
if (subm.timer != null)
clearTimeout (subm.timer);
subm.style.visibility = "visible";
if (subm.parentMenu != null)
Menu_ShowMenu (subm.parentMenu);
}
function Menu_Reposition (it, elem, offx, offy)
{
var le = 0;
var to = 0;
while (it != null && it.style.position != "absolute") {
le += it.offsetLeft;
to += it.offsetTop;
it = it.offsetParent;
}
elem.style.left = (le + offx) + "px";
elem.style.top = (to + offy) + "px";
}
function Menu_Resize (subm, menuId, itemId)
{
subm.style.top = subm.initialTop;
var parent = subm.offsetParent;
var box = getMenuScrollBox (menuId, itemId, "b");
box.scrollTop = 0;
var bottom = subm.offsetTop + subm.initialOffsetHeight - parent.scrollTop;
var displayScroll;
if (bottom > parent.clientHeight /* && parent.scrollHeight > parent.clientHeight*/) {
var overflow = bottom - parent.clientHeight;
var freeTop = subm.offsetTop - parent.scrollTop;
if (overflow <= freeTop) {
subm.style.top = (subm.offsetTop - overflow) + "px";
displayScroll = "none";
box.style.height = subm.initialContentHeight + "px";
} else {
subm.style.top = (subm.offsetTop - freeTop) + "px";
var bh = (parent.clientHeight - subm.offsetTop + parent.scrollTop) - subm.scrollButtonsHeight;
box.style.overflow = "hidden";
box.style.height = bh + "px";
displayScroll = "block";
}
} else {
displayScroll = "none";
box.style.height = subm.initialContentHeight + "px";
}
var btn = getMenuScrollBox (menuId, itemId, "u");
btn.style.display = displayScroll;
btn = getMenuScrollBox (menuId, itemId, "d");
btn.style.display = displayScroll;
}
function getMenu (menuId) { return eval (menuId + "_data"); }
function getSubMenu (menuId, itemId) { return document.getElementById (menuId + "_" + itemId + "s"); }
function getMenuItem (menuId, itemId) { return document.getElementById (menuId + "_" + itemId + "i"); }
function getMenuItemLink (menuId, itemId) { return document.getElementById (menuId + "_" + itemId + "l"); }
function getMenuScrollBox (menuId, itemId, btn) { return document.getElementById (menuId + "_" + itemId + "c" + btn); }
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