var A_MENUS = [];
var COUNTE=-1;
var PERWI = [ 110, 120, 143, 143, 143, 143 ];
var firstel = 70;
var LONGMAXHEIGHT = 361;
var firstel2 = 100;
var sel_el = '';



function menu (a_items, a_tpl, a_sel) {
document.write('<span id="div1" style="position: absolute; top: 25px; left: 120px; visibility: visible; -moz-opacity:0.8; filter:alpha(opacity=80);"><img src="/images/layer1.gif"></span>'); 
document.write('<span id="div2" style="position: absolute; top: 25px; left: 120px; visibility: visible; -moz-opacity:0.8; filter:alpha(opacity=80);"><img src="/images/layer2.gif"></span>'); 

document.getElementById("div1").style.visibility="hidden";
document.getElementById("div2").style.visibility="hidden";
sel_el= a_sel;
if (!document.body || !document.body.style)
return;

this.a_config = a_items;

this.a_tpl = a_tpl;

this.n_id = A_MENUS.length;

this.a_index = [];
this.a_children = [];

this.expand      = menu_expand;
this.collapse    = menu_collapse;

this.onclick     = menu_onclick;
this.onmouseout  = menu_onmouseout;
this.onmouseover = menu_onmouseover;
this.onmousedown = menu_onmousedown;

this.a_tpl_def = {
'block_top'  : 16,
'block_left' : 16,
'top'        : 20,
'left'       : 4,
'width'      : 120,
'height'     : 22,
'hide_delay' : 0,
'expd_delay' : 0,
'css'        : {
'inner' : '',
'outer' : ''
}
};

this.getprop = function (s_key) {
return this.a_tpl_def[s_key];
};

this.o_root = this;
this.n_depth = -1;
this.n_x = 0;
this.n_y = 0;

for (n_order = 0; n_order < a_items.length; n_order++)
new menu_item(this, n_order);

A_MENUS[this.n_id] = this;

for (var n_order = 0; n_order < this.a_children.length; n_order++)
this.a_children[n_order].e_oelement.style.visibility = 'visible';
if (this.n_id == 1) {document.getElementById("div1").style.visibility="visible";} 
}

function menu_collapse (n_id) {
clearTimeout(this.o_showtimer);

var n_tolevel = (n_id ? this.a_index[n_id].n_depth : 0);

for (n_id = 0; n_id < this.a_index.length; n_id++) {
var o_curritem = this.a_index[n_id];
if (o_curritem.n_depth > n_tolevel && o_curritem.b_visible) {
o_curritem.e_oelement.style.visibility = 'hidden';
if (o_curritem.n_depth == 1) { document.getElementById("div1").style.visibility="hidden"; }
if (o_curritem.n_depth == 2) { document.getElementById("div2").style.visibility="hidden"; }
o_curritem.b_visible = false;
}
}

if (!n_id)
this.o_current = null;
}

function menu_expand (n_id) {

if (this.o_hidetimer)
return;

var o_item = this.a_index[n_id];

if (this.o_current && this.o_current.n_depth >= o_item.n_depth)
this.collapse(o_item.n_id);
this.o_current = o_item;

if (!o_item.a_children)
return;

for (var n_order = 0; n_order < o_item.a_children.length; n_order++) {
var o_curritem = o_item.a_children[n_order];
o_curritem.e_oelement.style.visibility = 'visible';
if (o_curritem.n_x == 120 || o_curritem.n_x == 263 || o_curritem.n_x == 406 || o_curritem.n_x == 549 || o_curritem.n_x == 692) {document.getElementById("div1").style.visibility="visible";}
//if (o_curritem.o_parent.n_order == 1) { document.getElementById("div1").style.left=PERWI[1]; }
//if (o_curritem.o_parent.a_config[0] == 'Проекты' && (o_curritem.a_config[0] == 'По типологии' || o_curritem.a_config[0] == 'По хронологии')) { document.getElementById("div1").style.left=PERWI[1]+PERWI[2]; }
//if (o_curritem.o_parent.a_config[0] == 'Постройки') { document.getElementById("div1").style.left=PERWI[1]+PERWI[2]+PERWI[3]; }
//alert(o_curritem.o_parent.n_x);
if (o_curritem.n_depth == 1) {document.getElementById("div1").style.left=o_curritem.n_x+"px";}
if (o_curritem.n_depth == 2) {document.getElementById("div2").style.visibility="visible"; document.getElementById("div2").style.left=o_curritem.n_x-1+"px";}
//alert(o_curritem.n_depth);
o_curritem.b_visible = true;
}
}

function menu_onclick (n_id) {
return Boolean(this.a_index[n_id].a_config[1]);
}

function menu_onmouseout (n_id) {

var o_item = this.a_index[n_id];

o_item.e_oelement.className = o_item.getstyle(0, 0);
o_item.e_ielement.className = o_item.getstyle(1, 0);

o_item.upstatus(7);

this.o_hidetimer = setTimeout('A_MENUS['+ this.n_id +'].collapse();',
o_item.getprop('hide_delay'));
}

function menu_onmouseover (n_id) {

clearTimeout(this.o_hidetimer);
this.o_hidetimer = null;
clearTimeout(this.o_showtimer);

var o_item = this.a_index[n_id];

o_item.upstatus();

o_item.e_oelement.className = o_item.getstyle(0, 1);
o_item.e_ielement.className = o_item.getstyle(1, 1);

if (o_item.getprop('expd_delay') < 0)
return;

this.o_showtimer = setTimeout('A_MENUS['+ this.n_id +'].expand(' + n_id + ');',
o_item.getprop('expd_delay'));

}

function menu_onmousedown (n_id) {

var o_item = this.a_index[n_id];

o_item.e_oelement.className = o_item.getstyle(0, 2);
o_item.e_ielement.className = o_item.getstyle(1, 2);

this.expand(n_id);
}


function menu_item (o_parent, n_order) {

this.n_depth  = o_parent.n_depth + 1;
this.a_config = o_parent.a_config[n_order + (this.n_depth ? 3 : 0)];

if (!this.a_config) return;

this.o_root    = o_parent.o_root;
this.o_parent  = o_parent;
this.n_order   = n_order;

this.n_id = this.o_root.a_index.length;
this.o_root.a_index[this.n_id] = this;
o_parent.a_children[n_order] = this;

var o_root = this.o_root,
a_tpl  = this.o_root.a_tpl;


this.getprop  = mitem_getprop;

this.getstyle = mitem_getstyle;
this.upstatus = mitem_upstatus;

this.LFT = 110;
this.n_y = n_order
? o_parent.a_children[n_order - 1].n_y + this.getprop('top')
: o_parent.n_y + this.getprop('block_top');

if (this.n_y == 0) { COUNTE=COUNTE+1; this.LFT=PERWI[COUNTE]; }

this.NEWX = this.getprop('left') == 110 ? this.LFT : 0;

this.n_x = n_order
? o_parent.a_children[n_order - 1].n_x + this.NEWX
: o_parent.n_x + this.getprop('block_left');

tempheight= this.getprop('height');
thisny = this.n_y;

//if (this.n_y == firstel) { tempheight= LONGMAXHEIGHT;}

//if (this.n_y == firstel2) { tempheight= LONGMAXHEIGHT;}
flc='';
//if (this.n_y == firstel ) { flc='fl'; thisny=thisny-53; tempheight=73;}

//if (this.n_id ==17 || this.n_id ==49) { this.n_y=80; }
//if (this.n_depth == 2) { this.n_y=this.n_y-20; }
if ((this.n_x == 263 || this.n_x ==406  )&& this.n_depth == 1) { this.n_y=70; }


document.write (
'<a id="e' + o_root.n_id + '_'
+ this.n_id +'o" class="' + this.getstyle(0, 0) + flc + '" href="' + this.a_config[1] + '"'
+ (this.a_config[2] && this.a_config[2]['tw'] ? ' target="'
+ this.a_config[2]['tw'] + '"' : '') + ' style="position: absolute; top: '
+ thisny + 'px; left: ' + this.n_x + 'px; width: '
+ this.getprop('width') + 'px; height: '
+ tempheight + 'px; visibility: hidden;'
+' z-index: ' + this.n_depth + ';" '
+ 'onclick="return A_MENUS[' + o_root.n_id + '].onclick('
+ this.n_id + ');" onmouseout="A_MENUS[' + o_root.n_id + '].onmouseout('
+ this.n_id + ');" onmouseover="A_MENUS[' + o_root.n_id + '].onmouseover('
+ this.n_id + ');" onmousedown="A_MENUS[' + o_root.n_id + '].onmousedown('
+ this.n_id + ');"><div  id="e' + o_root.n_id + '_'
+ this.n_id +'i" class="' + this.getstyle(1, 0) + '">'
+ this.a_config[0] + 
 "</div></a>\n"
);
this.e_ielement = document.getElementById('e' + o_root.n_id + '_' + this.n_id + 'i');
this.e_oelement = document.getElementById('e' + o_root.n_id + '_' + this.n_id + 'o');

this.b_visible = !this.n_depth;

if (this.a_config.length < 4)
return;

this.a_children = [];

for (var n_order = 0; n_order < this.a_config.length - 3; n_order++)
new menu_item(this, n_order);
}

function mitem_getprop (s_key) {

var s_value = null,
a_level = this.o_root.a_tpl[this.n_depth];

if (a_level)
s_value = a_level[s_key];

return (s_value == null ? this.o_parent.getprop(s_key) : s_value);
}
function mitem_getstyle (n_pos, n_state) {

var a_css = this.getprop('css');
var a_oclass = a_css[n_pos ? 'inner' : 'outer'];
if (this.a_config[0]==sel_el && this.n_depth == 0) { a_oclass = "selected"; };
if (typeof(a_oclass) == 'string')
return a_oclass;

for (var n_currst = n_state; n_currst >= 0; n_currst--)
if (a_oclass[n_currst])
return a_oclass[n_currst];
}

function mitem_upstatus (b_clear) {
window.setTimeout("window.status=unescape('" + (b_clear
? ''
: (this.a_config[2] && this.a_config[2]['sb']
? escape(this.a_config[2]['sb'])
: escape(this.a_config[0]) + (this.a_config[1]
? ' ('+ escape(this.a_config[1]) + ')'
: ''))) + "')", 10);
}