// global collection containing Menu Position
var MENU_POS = [
{
	//menu de niveau 1
	// item sizes
	'height': 20,
	'width': 120,
	'block_top': 5, // block_left : 3 parameter of new Menu 
	// offsets between items of the same level
	'top': 0,
	'left': 119,
	// time in milliseconds before menu is hidden after cursor has gone out of any items
	'hide_delay': 200,
	'expd_delay': 200,
	'css' : {
		'outer': ['m0l0oout', 'm0l0oover'],
		'inner': ['m0l0iout', 'm0l0iover']
	}
},
{
	//menu de niveau 2
	'height': 20,
	'width': 175,
	'block_top': 20, // y offset for the sublevel
	'block_left': 0,
	'top': 21,
	'left': 0,
	'css': {
		'outer' : ['m0l1oout', 'm0l1oover'],
		'inner' : ['m0l1iout', 'm0l1iover']
	}
},
{
	//menu de niveau 3
	'block_top': 5,
	'block_left': 140,
	'css': {
		'outer': ['m0l2oout', 'm0l2oover'],
		'inner': ['m0l1iout', 'm0l2iover']
	}
}
]

// global collection containing all menus on current page
var A_MENUS = [];

// --------------------------------------------------------------------------------
//
// --------------------------------------------------------------------------------
function menu_collapse (n_id) {
	// cancel item open delay
	clearTimeout(this.o_showtimer);

	// by default collapse to root level
	var n_tolevel = (n_id ? this.a_index[n_id].n_depth : 0);
	
	// hide all items over the level specified
	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';
			o_curritem.b_visible = false;
		}
	}

	// reset current item if mouse has gone out of items
	if (!n_id)
		this.o_current = null;
}

// --------------------------------------------------------------------------------
//
// --------------------------------------------------------------------------------
function menu_expand (n_id) {

	// expand only when mouse is over some menu item
	if (this.o_hidetimer)
		return;

	// lookup current item
	var o_item = this.a_index[n_id];

	// close previously opened items
	if (this.o_current && this.o_current.n_depth >= o_item.n_depth)
		this.collapse(o_item.n_id);
	this.o_current = o_item;

	// exit if there are no children to open
	if (!o_item.a_children)
		return;

	// show direct child items
	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';
		o_curritem.b_visible = true;
	}
}

// --------------------------------------------------------------------------------
//
// --------------------------------------------------------------------------------
function menu_onclick (n_id) {
	// don't go anywhere if item has no link defined
	return Boolean(this.a_index[n_id].a_config[1]);
}

// --------------------------------------------------------------------------------
//
// --------------------------------------------------------------------------------
function menu_onmouseout (n_id) {

	// lookup new item's object	
	var o_item = this.a_index[n_id];

	// apply rollout
	o_item.e_oelement.className = o_item.getstyle(0, 0);
	o_item.e_ielement.className = o_item.getstyle(1, 0);
	
	// update status line	
	o_item.upstatus(7);

	// run mouseover timer
	this.o_hidetimer = setTimeout('A_MENUS['+ this.n_id +'].collapse();',
		o_item.getprop('hide_delay'));


}

// --------------------------------------------------------------------------------
//
// --------------------------------------------------------------------------------
function menu_onmouseover (n_id) {

	// cancel mouseoute menu close and item open delay
	clearTimeout(this.o_hidetimer);
	this.o_hidetimer = null;
	clearTimeout(this.o_showtimer);

	// lookup new item's object	
	var o_item = this.a_index[n_id];

	// update status line	
	o_item.upstatus();

	// apply rollover
	o_item.e_oelement.className = o_item.getstyle(0, 1);
	o_item.e_ielement.className = o_item.getstyle(1, 1);
	
	// if onclick open is set then no more actions required
	if (o_item.getprop('expd_delay') < 0)
		return;

	// run expand timer
	this.o_showtimer = setTimeout('A_MENUS['+ this.n_id +'].expand(' + n_id + ');',
		o_item.getprop('expd_delay'));
		
}

// ------------------------------------------------
// called when mouse button is pressed on menu item
// ------------------------------------------------
function menu_onmousedown (n_id) {
	
	// lookup new item's object	
	var o_item = this.a_index[n_id];

	// apply mouse down style
	o_item.e_oelement.className = o_item.getstyle(0, 2);
	o_item.e_ielement.className = o_item.getstyle(1, 2);

	this.expand(n_id);
//	this.items[id].switch_style('onmousedown');
}

// ---------------
// menu item Class
// ---------------
function menu_item (o_parent, n_order) {
	// store parameters passed to the constructor
	this.n_depth  = o_parent.n_depth + 1;
	this.a_config = o_parent.a_config[n_order + (this.n_depth ? 3 : 0)];

	// return if required parameters are missing
	if (!this.a_config) return;

	// store info from parent item
	this.o_root    = o_parent.o_root;
	this.o_parent  = o_parent;
	this.n_order   = n_order;

	// register in global and parent's collections
	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;

	// calculate item's coordinates
	var o_root = this.o_root,
		a_tpl  = this.o_root.a_tpl;

	// assign methods
	this.getprop  = mitem_getprop;
	this.getstyle = mitem_getstyle;
	this.upstatus = mitem_upstatus;

	this.n_x = n_order
		? o_parent.a_children[n_order - 1].n_x + this.getprop('left')
		: o_parent.n_x + this.getprop('block_left');
		
	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');

	// generate item's HMTL
	document.write (
		'<a id="e' + o_root.n_id + '_'
			+ this.n_id +'o" class="' + this.getstyle(0, 0) + '" href="' + this.a_config[1] + '"'
			+ (this.a_config[2] && this.a_config[2]['tw'] ? ' target="'
			+ this.a_config[2]['tw'] + '"' : '') + ' style="position: absolute; top: '			
	);
	
	//if menu level one
	// thomas declercq le 10 novembre 2004 modification du calcul de n_x erreur sur la génération de 1px par element
	// correction apportés  "+1" pb bord double sur les différents éléments 
	//alert("profondeur : "+ this.n_depth +" nom page : "+ this.a_config[0] + " "+ this.a_config.length +" "+n_order );
	if(this.n_depth	== 0){
		firstLevelWidth_array = this.getprop('firstLevelWidth_array');
		if (n_order > 0) this.n_x = this.n_x - (this.getprop('width')- firstLevelWidth_array[this.n_order-1]) + 1;
		document.write(			
			this.n_y + 'px; left: ' + this.n_x + 'px; width: '
			+ firstLevelWidth_array[this.n_order] + 'px; height: '		
		);
		selParentMenu=o_parent.a_children[n_order].n_id;
		document.write(		
			this.getprop('height') + '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 + ');document.getElementById(\'div'+this.n_id+'\').className=\'');
		
			if(this.a_config[0].indexOf(selMenu)==0) {document.write("divon");}
			else {document.write("divoff");}

			document.write('\';" onmouseover="document.formlang.style.visibility=\'hidden\';A_MENUS[' + o_root.n_id + '].onmouseover('
			+ this.n_id + ');document.getElementById(\'div'+this.n_id+'\').className=\'divon\';" 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'
		);
	}
	else{
		document.write(
			this.n_y + 'px; left: ' + this.n_x + 'px; width: '
			+ this.getprop('width') + 'px; height: '		
		);	
		document.write(		
			
			this.getprop('height') + '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 + ');document.getElementById(\'div'+selParentMenu+'\').className=\'');
		
			if(o_parent.a_config[0].indexOf(selMenu)==0) {document.write("divon");}
			else {document.write("divoff");}		
			
			document.write('\';" onmouseover="document.formlang.style.visibility=\'hidden\';A_MENUS[' + o_root.n_id + '].onmouseover('
			+ this.n_id + ');document.getElementById(\'div'+selParentMenu+'\').className=\'divon\';" 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.n_depth	== 0){
		document.write("<div id=\"div"+this.n_id+"\" class=\"");
		if(this.a_config[0].indexOf(selMenu)==0) {document.write("divon");}
		else {document.write("divoff");}
		document.write("\" style=\"position:absolute; top:"+(this.n_y-4)+"px;left:"+(this.n_x+1)+"px;width:"+(firstLevelWidth_array[this.n_order]-1)+"px;height:4px;\"><img src=\"images/spacer\" width=1 height=4></div>");
	}
	// no more initialization if leaf
	if (this.a_config.length < 4)
		return;

	// node specific methods and properties
	this.a_children = [];

	// init downline recursively
	for (var n_order = 0; n_order < this.a_config.length - 3; n_order++)
		new menu_item(this, n_order);
}

// --------------------------------------------------------------------------
// reads property from template file, inherits from parent level if not found
// --------------------------------------------------------------------------
function mitem_getprop (s_key) {

	// check if value is defined for current level
	var s_value = null,
		a_level = this.o_root.a_tpl[this.n_depth];

	// return value if explicitly defined
	if (a_level)
		s_value = a_level[s_key];

	// request recursively from parent levels if not defined
	return (s_value == null ? this.o_parent.getprop(s_key) : s_value);
}
// --------------------------------------------------------------------------
// reads property from template file, inherits from parent level if not found
// --------------------------------------------------------------------------
function mitem_getstyle (n_pos, n_state) {

	var a_css = this.getprop('css');
	var a_oclass = a_css[n_pos ? 'inner' : 'outer'];

	// same class for all states	
	if (typeof(a_oclass) == 'string')
		return a_oclass;

	// inherit class from previous state if not explicitly defined
	for (var n_currst = n_state; n_currst >= 0; n_currst--)
		if (a_oclass[n_currst])
			return a_oclass[n_currst];
}

// ------------------------------------------------------------------------------------------
// updates status bar message of the browser
// ------------------------------------------------------------------------------------------
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);
}
// --------------------------------------------------------------------------------
// end