var menus = [];
function menu (item_struct, pos, styles) {
this.item_struct = item_struct;
this.pos = pos;
this.styles = styles;
this.id = menus.length;
this.items = [];
this.children = [];
this.add_item = menu_add_item;
this.hide = menu_hide;
this.onclick = menu_onclick;
this.onmouseout = menu_onmouseout;
this.onmouseover = menu_onmouseover;
this.onmousedown = menu_onmousedown;
var i;
for (i = 0; i < this.item_struct.length; i++)
new menu_item(i, this, this);
for (i = 0; i < this.children.length; i++)
this.children[i].visibility(true);
menus[this.id] = this;}
function menu_add_item (item) {
var id = this.items.length;
this.items[id] = item;
return (id);}
function menu_hide () {
for (var i = 0; i < this.items.length; i++) {
this.items[i].visibility(false);
this.items[i].switch_style('onmouseout');}}
function menu_onclick (id) {
var item = this.items[id];
return (item.fields[1] ? true : false);}
function menu_onmouseout (id) {
this.hide_timer = setTimeout('menus['+ this.id +'].hide();',
this.pos['hide_delay'][this.active_item.depth]);
if (this.active_item.id == id)
this.active_item = null;}
function menu_onmouseover (id) {
this.active_item = this.items[id];
clearTimeout(this.hide_timer);
var curr_item, visib;
for (var i = 0; i < this.items.length; i++) {
curr_item = this.items[i];
visib = (curr_item.arrpath.slice(0, curr_item.depth).join('_') ==
this.active_item.arrpath.slice(0, curr_item.depth).join('_'));
if (visib)
curr_item.switch_style (
curr_item == this.active_item ? 'onmouseover' : 'onmouseout');
curr_item.visibility(visib);}}
function menu_onmousedown (id) {
this.items[id].switch_style('onmousedown');}
function menu_item (path, parent, container) {
this.path = new String (path);
this.parent = parent;
this.container = container;
this.arrpath = this.path.split('_');
this.depth = this.arrpath.length - 1;
var struct_path = '', i;
for (i = 0; i <= this.depth; i++)
struct_path += '[' + (Number(this.arrpath[i]) + (i ? 2 : 0)) + ']';
eval('this.fields = this.container.item_struct' + struct_path);
if (!this.fields) return;
this.get_x = mitem_get_x;
this.get_y = mitem_get_y;
this.init = mitem_init;
this.visibility = mitem_visibility;
this.switch_style = mitem_switch_style;
this.id = this.container.add_item(this);
parent.children[parent.children.length] = this;
this.init();
this.children = [];
var child_count = this.fields.length - 2;
for (i = 0; i < child_count; i++)
new menu_item (this.path + '_' + i, this, this.container);
this.switch_style('onmouseout');}
function mitem_init() {
document.write (
'<a id="mi_' + this.container.id + '_'
+ this.id +'" class="m' + this.container.id + 'l' + this.depth 
+'o" href="' + this.fields[1] + '" style="position: absolute; top: '
+ this.get_y() + 'px; left: '	+ this.get_x() + 'px; width: '
+ this.container.pos['width'][this.depth] + 'px; height: '
+ this.container.pos['height'][this.depth] + 'px; visibility: hidden;'
+' background: black; color: white; z-index: ' + this.depth + ';" '
+ 'onclick="return menus[' + this.container.id + '].onclick('
+ this.id + ');" onmouseout="menus[' + this.container.id + '].onmouseout('
+ this.id + ');" onmouseover="menus[' + this.container.id + '].onmouseover('
+ this.id + ');" onmousedown="menus[' + this.container.id + '].onmousedown('
+ this.id + ');"><div class="m'  + this.container.id + 'l' + this.depth + 'i">'
+ this.fields[0] + "</div></a>\n");
this.element = document.getElementById('mi_' + this.container.id + '_' + this.id);}
function mitem_visibility(make_visible) {
if (make_visible != null) {
if (this.visible == make_visible) return;
this.visible = make_visible;
if (make_visible)
this.element.style.visibility = 'visible';
else if (this.depth)
this.element.style.visibility = 'hidden';	}
return (this.visible);}
function mitem_get_x() {
var value = 0;
for (var i = 0; i <= this.depth; i++)
value += this.container.pos['block_left'][i]
+ this.arrpath[i] * this.container.pos['left'][i];
return (value);}
function mitem_get_y() {
var value = 0;
for (var i = 0; i <= this.depth; i++)
value += this.container.pos['block_top'][i]
+ this.arrpath[i] * this.container.pos['top'][i];
return (value);}
function mitem_switch_style(state) {
if (this.state == state) return;
this.state = state;
var style = this.container.styles[state];
for (var i = 0; i < style.length; i += 2)
if (style[i] && style[i+1])
eval('this.element.style.' + style[i] + "='" 
+ style[i+1][this.depth] + "';");}