NS6 = (document.getElementById) ? 1 : 0;
NS4 = (document.layers) ? 1 : 0;
IE4 = (document.all) ? 1 : 0;
dyn = (NS6 || IE4) ? 1 : 0;
var counter = 31;
var counterSubs = 31;
// There must be NO line breaks inside each entry in these arrays.
// Any single quote characters must be escaped, e.g. ' becomes \'
// All HREFs and SRCs should be written relative to the server root, i.e. start each one with a foward slash. This ensures that they work in all pages on the site.
// IDs must be sequential starting at 1 (eg el1 ... eln or sub1 ... subn). If you want to skip a number then insert an empty DIV as a placeholder (el3 and el5 below).
// Note that the last item in each array must NOT be followed by a comma
// Remember to add the left (and for sub menus top) properties for each menu to style.css
var menus = new Array(
'',
'',
'',
'',
'',
''
)
var subs = new Array(
//Mark Helvadjian - commented sub navs out in line with main NB site.
//'',
//'',
//'',
//'',
//''
)
var noDivs = menus.length;
var noSubs = subs.length;
function getEl(el) {
if (IE4) {
whichEl = eval(el + ".style");
} else if (NS6) {
whichEl = eval(document.getElementById(el).style)
} else if (NS4) {
whichEl = eval("document.parent.document." + el);
}
return whichEl;
}
function showIt(el,sb) {
if (!dyn) return;
if (sb == true) { hideSubs() }
else {hideIt();}
whichEl = getEl(el);
whichEl.visibility = "visible";
}
function hideIt() {
if (!dyn) return;
for (i = 1; i <= noDivs; i++) {
var el = "el" + i;
whichEl = getEl(el);
whichEl.visibility = "hidden";
}
for (i = 1; i <= noSubs; i++) {
var el = "sub" + i;
whichEl = getEl(el);
whichEl.visibility = "hidden";
}
}
function hideSubs() {
if (!dyn) return;
for (i = 1; i <= noSubs; i++) {
var el = "sub" + i;
whichEl = getEl(el);
whichEl.visibility = "hidden";
}
}
function counterMenu() {
counter++;
counterSubs++;
if (counter == 5) hideIt();
if (counterSubs == 5) hideSubs();
setTimeout("counterMenu()", 50);
}
// *** Not used ***
function changeBg(el,colour) {
if (NS6) {
document.getElementById(el).style.background = colour;
} else if (IE4) {
el.bgcolor = colour;
}
}
// *** ***
function overEl(e) {
if (IE4) {myEl = event.srcElement;}
else if (NS6) {
myEl = e.currentTarget;
}
while ((myEl.id.indexOf("sub") == -1) && (myEl.id.indexOf("el") == -1)) {
myEl = myEl.parentElement;
if (myEl == null) { return }
}
if (myEl.id.indexOf("sub") != -1) { counter=31; counterSubs=31 }
if (myEl.id.indexOf("el") != -1) { counter=31; counterSubs=0 }
}
function outEl(e) {
if (IE4) {myEl = event.srcElement;}
else if (NS6) {
myEl = e.currentTarget;
}
while ((myEl.id.indexOf("sub") == -1) && (myEl.id.indexOf("el") == -1)) {
myEl = myEl.parentElement;
if (myEl == null) { return }
}
if (myEl.id.indexOf("sub") != -1) { counter=0; counterSubs=0 }
if (myEl.id.indexOf("el") != -1) { counter=0; counterSubs=0 }
}
function init() {
if (dyn) {
for (i = 0; i < menus.length; i++ ) {
document.write(menus[i]);
demoVar = "el" + (i+1);
demoObj = document.getElementById(demoVar);
if (demoObj.addEventListener) {
demoObj.addEventListener("mouseover", overEl, true);
demoObj.addEventListener("mouseout", outEl, true);
}
}
for (i = 0; i < subs.length; i++ ) {
document.write(subs[i]);
demoVar = "sub" + (i+1);
demoObj = document.getElementById(demoVar);
if (demoObj.addEventListener) {
demoObj.addEventListener("mouseover", overEl, true);
demoObj.addEventListener("mouseout", outEl, true);
}
}
}
if (IE4) {
document.onmouseover = overEl;
document.onmouseout = outEl;
}
counterMenu();
}