var isDOM = (document.getElementById ? true : false);
var isIE4 = ((document.all && !isDOM) ? true : false);
var isNS4 = (document.layers ? true : false);
var vmenu = new Array();
var hmenu = new Array();
function getRef(id)
{
if (isDOM) return document.getElementById(id);
if (isIE4) return document.all[id];
if (isNS4) return document.layers[id];
}
function getSty(id)
{
return (isNS4 ? getRef(id) : getRef(id).style);
}
// Hide timeout.
var popTimer = 0;
// Array showing highlighted menu items.
var hlitNow = new Array();
var vlitNow = new Array();
function HpopOver(menuNum, itemNum)
{
clearTimeout(popTimer);
hhideAllBut(menuNum);
hlitNow = HgetTree(menuNum, itemNum);
hchangeCol(hlitNow, true);
targetNum = hmenu[menuNum][itemNum].target;
if (targetNum > 0)
{
thisX = parseInt(hmenu[menuNum][0].ref.left) + parseInt(hmenu[menuNum][itemNum].ref.left);
thisY = parseInt(hmenu[menuNum][0].ref.top) + parseInt(hmenu[menuNum][itemNum].ref.top);
with (hmenu[targetNum][0].ref)
{
left = parseInt(thisX + hmenu[targetNum][0].x);
top = parseInt(thisY + hmenu[targetNum][0].y);
visibility = 'visible';
}
}
}
function VpopOver(menuNum, itemNum)
{
clearTimeout(popTimer);
vhideAllBut(menuNum);
vlitNow = VgetTree(menuNum, itemNum);
vchangeCol(vlitNow, true);
targetNum = vmenu[menuNum][itemNum].target;
if (targetNum > 0)
{
thisX = parseInt(vmenu[menuNum][0].ref.left) + parseInt(vmenu[menuNum][itemNum].ref.left);
thisY = parseInt(vmenu[menuNum][0].ref.top) + parseInt(vmenu[menuNum][itemNum].ref.top);
with (vmenu[targetNum][0].ref)
{
left = parseInt(thisX + vmenu[targetNum][0].x);
top = parseInt(thisY + vmenu[targetNum][0].y);
visibility = 'visible';
}
}
}
function HpopOut(menuNum, itemNum)
{
if ((menuNum == 0) && !hmenu[menuNum][itemNum].target)
hhideAllBut(0)
else
popTimer = setTimeout('hhideAllBut(0)', 10);
}
function VpopOut(menuNum, itemNum)
{
if ((menuNum == 0) && !vmenu[menuNum][itemNum].target)
vhideAllBut(0)
else
popTimer = setTimeout('vhideAllBut(0)', 10);
}
function HgetTree(menuNum, itemNum)
{
// Array index is the menu number. The contents are null (if that menu is not a parent)
// or the item number in that menu that is an ancestor (to light it up).
hitemArray = new Array(hmenu.length);
while(1)
{
hitemArray[menuNum] = itemNum;
// If we've reached the top of the hierarchy, return.
if (menuNum == 0) return hitemArray;
itemNum = hmenu[menuNum][0].parentItem;
menuNum = hmenu[menuNum][0].parentMenu;
}
}
function VgetTree(menuNum, itemNum)
{
// Array index is the menu number. The contents are null (if that menu is not a parent)
// or the item number in that menu that is an ancestor (to light it up).
vitemArray = new Array(vmenu.length);
while(1)
{
vitemArray[menuNum] = itemNum;
// If we've reached the top of the hierarchy, return.
if (menuNum == 0) return vitemArray;
itemNum = vmenu[menuNum][0].parentItem;
menuNum = vmenu[menuNum][0].parentMenu;
}
}
// Pass an array and a boolean to specify colour change, true = over colour.
function hchangeCol(changeArray, isOver)
{
for (menuCount = 0; menuCount < changeArray.length; menuCount++)
{
if (changeArray[menuCount])
{
newCol = isOver ? hmenu[menuCount][0].overCol : hmenu[menuCount][0].backCol;
// Change the colours of the div/layer background.
with (hmenu[menuCount][changeArray[menuCount]].ref)
{
if (isNS4) bgColor = newCol;
else backgroundColor = newCol;
}
}
}
}
function vchangeCol(changeArray, isOver)
{
for (menuCount = 0; menuCount < changeArray.length; menuCount++)
{
if (menuCount == 0 || menuCount == 6 || menuCount == 7)
{
if (changeArray[menuCount])
{
newCol = isOver ? vmenu[menuCount][0].overCol : vmenu[menuCount][0].backCol;
// Change the colours of the div/layer background.
with (vmenu[menuCount][changeArray[menuCount]].ref)
{
if (isNS4) bgColor = newCol;
else backgroundColor = newCol;
}
}
}
else
{
if (changeArray[menuCount])
{
newCol = isOver ? vmenu[menuCount][0].overCol : vmenu[menuCount][0].backCol;
// Change the colours of the div/layer background.
with (vmenu[menuCount][changeArray[menuCount]].ref)
{
if(changeArray[menuCount] !== 1)
{
if (isNS4) bgColor = newCol;
else backgroundColor = newCol;
}
else
{
if (isNS4) bgColor = defCaption;
else backgroundColor = defCaption;
}
}
}
}
}
}
function hhideAllBut(menuNum)
{
var keepMenus = HgetTree(menuNum, 1);
for (count = 0; count < hmenu.length; count++)
if (!keepMenus[count])
hmenu[count][0].ref.visibility = 'hidden';
hchangeCol(hlitNow, false);
}
function vhideAllBut(menuNum)
{
var keepMenus = VgetTree(menuNum, 1);
for (count = 0; count < vmenu.length; count++)
if (!keepMenus[count])
vmenu[count][0].ref.visibility = 'hidden';
vchangeCol(vlitNow, false);
}
// *** MENU CONSTRUCTION FUNCTIONS ***
function Menu(isVert, popInd, x, y, width, overCol, backCol, borderClass, textClass)
{
// True or false - a vertical menu?
this.isVert = isVert;
// The popout indicator used (if any) for this menu.
this.popInd = popInd
// Position and size settings.
this.x = x;
this.y = y;
this.width = width;
// Colours of menu and items.
this.overCol = overCol;
this.backCol = backCol;
// The stylesheet class used for item borders and the text within items.
this.borderClass = borderClass;
this.textClass = textClass;
// Parent menu and item numbers, indexed later.
this.parentMenu = null;
this.parentItem = null;
// Reference to the object's style properties (set later).
this.ref = null;
}
function Item(text, href, frame, length, spacing, target)
{
this.text = text;
this.href = href;
this.frame = frame;
this.length = length;
this.spacing = spacing;
this.target = target;
// Reference to the object's style properties (set later).
this.ref = null;
}
function HwriteMenus()
{
if(!isDOM && !isIE4 && !isNS4) return;
if (!isDOM && !isIE4 && !isNS4) return;
for (currMenu = 0; currMenu < hmenu.length; currMenu++)
with (hmenu[currMenu][0]) {
// Variable for holding HTML for items and positions of next item.
var str = '', itemX = 0, itemY = 0;
// Remember, items start from 1 in the array (0 is menu object itself, above).
// Also use properties of each item nested in the other with() for construction.
for (currItem = 1; currItem < hmenu[currMenu].length; currItem++)
with (hmenu[currMenu][currItem])
{
var itemID = 'hmenu' + currMenu + 'item' + currItem;
// The width and height of the menu item - dependent on orientation!
var w = (isVert ? width : length);
var h = (isVert ? length : width);
// Create a div or layer text string with appropriate styles/properties.
if (isDOM || isIE4)
{
str += '';
// Add contents of item (default: table with link inside).
// In IE/NS6+, add padding if there's a border to emulate NS4's layer padding.
// If a target frame is specified, also add that to the
tag.
str += '| ' + '' : '>') + text + ' | ';
if (target > 0)
{
// Set target's parents to this menu item.
hmenu[target][0].parentMenu = currMenu;
hmenu[target][0].parentItem = currItem;
// Add a popout indicator.
if (popInd)
str += '' + popInd + ' | ';
}
str += '
' + (isNS4 ? '' : '
';
// Add contents of item (default: table with link inside).
// In IE/NS6+, add padding if there's a border to emulate NS4's layer padding.
// If a target frame is specified, also add that to the
tag.
str += '| ' + '' : '>') + text + ' | ';
if (target > 0)
{
// Set target's parents to this menu item.
vmenu[target][0].parentMenu = currMenu;
vmenu[target][0].parentItem = currItem;
// Add a popout indicator.
if (popInd)
str += '' + popInd + ' | ';
}
str += '
' + (isNS4 ? '' : '