var MENU_POS1 = {
	// item sizes for different levels of menu
	'height': [10, 23, 23, 23, 23, 23, 23],
	'width': [10,160,160,160,160,160,160],
	// menu block offset from the origin:
	//	for root level origin is upper left corner of the page
	//	for other levels origin is upper left corner of parent item
	'block_top': [0, 135, -15,-15,-15,-15,-15],
	'block_left': [0, 0, 157,157,157,157,157],
	// offsets between items of the same level
	'top': [0, 22, 22,22,22,22,22],
	'left': [0, 0, 0,0,0,0,0],
	// time in milliseconds before menu is hidden after cursor has gone out
	// of any items
	'hide_delay': [300, 300, 300,300,300,300,300]
};

var MENU_STYLES1 = {
	// default item state when it is visible but doesn't have mouse over
	'onmouseout': [
		'color', ['#FFFFFF', '#000000', '#000000', '#000000', '#000000', '#000000', '#000000'], 
		'background', ['transparent', '#f1f0f6', '#f1f0f6', '#f1f0f6', '#f1f0f6', '#f1f0f6', '#f1f0f6'],
		'textDecoration', ['none', 'none', 'none', 'none', 'none', 'none', 'none'],
		'fontWeight', ['normal', 'normal', 'normal', 'normal', 'normal', 'normal', 'normal'],
	],
	// state when item has mouse over it
	'onmouseover': [
		'color', ['#FFFFFF', '#f1f0f6', '#f1f0f6', '#f1f0f6', '#f1f0f6', '#f1f0f6', '#f1f0f6'], 
		'background', ['transparent', '#48517c', '#48517c', '#48517c', '#48517c', '#48517c', '#48517c'],
		'textDecoration', ['underline', 'none', 'none', 'none', 'none', 'none', 'none'],
		'fontWeight', ['normal', 'normal', 'normal', 'normal', 'normal', 'normal', 'normal'],
	],
	// state when mouse button has been pressed on the item
	'onmousedown': [
		'color', ['#FFFFFF', '#f1f0f6', '#f1f0f6', '#f1f0f6', '#f1f0f6', '#f1f0f6', '#f1f0f6'], 
		'background', ['transparent', '#48517c', '#48517c', '#48517c', '#48517c', '#48517c', '#48517c'],
		'textDecoration', ['underline', 'none', 'none', 'none', 'none', 'none', 'none'],
		'fontWeight', ['normal', 'normal', 'normal', 'normal', 'normal', 'normal', 'normal'],
	]
}
	




var menus = [],pocitadlo=1;

// --- menu class ---
function menu (pos, styles) {
	// browser check
	
	this.pos = pos;
	this.styles = styles;
	this.id = menus.length;
	
	
	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;
	
	
	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) {
if(this.active_item) {

	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');
}
// --- menu item Class ---
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;
	// get pointer to item's data in the structure
	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;
	
	// assign methods	
	this.get_x = mitem_get_x;
	this.get_y = mitem_get_y;
	// these methods may be different for different browsers (i.e. non DOM compatible)

	this.init = mitem_init;

	this.visibility = mitem_visibility;
	this.switch_style = mitem_switch_style;
	
	// register in the collections
	this.id = this.container.add_item(this);
	parent.children[parent.children.length] = this;

pocet_podmenu=this.fields.length - 3;
	// init recursively
	this.init(pocet_podmenu);
	this.children = [];

	var child_count = this.fields.length - 3;

	for (i = 0; i < child_count; i++){
		new menu_item (this.path + '_' + i, this, this.container);}

	this.switch_style('onmouseout');
}
function mitem_init(pocet_podmenu) {

if (pocet_podmenu != 0) {  var retazec="<img align=center border='0' src='./data/images/menus/rightarrow.gif' width='6' height='11'>"; } else { var retazec=""; }


if (this.depth==0) {

hll=hlavny.children[pocitadlo];

pocitadlo+=2;

pozicia=hll.offsetLeft ;

hll.innerHTML+=('<img border="0" src="./data/images/menus/downarrow.gif"  width="11" height="6" id="mi_' + this.container.id + '_'
			+ this.id +'" class="m' + this.container.id + 'l' + this.depth 
			+'o"  style=" visibility: hidden; z-index: ' + this.depth + ';" '
			+ 'onclick="return menus[' + this.container.id + '].onclick('
			+ this.id + ');" onmouseout="menus[' + this.container.id + '].onmouseout('
			+ this.id + ');" onmousedown="menus[' + this.container.id + '].onmouseover('
			+ this.id + ');" onmouseover="menus[' + this.container.id + '].onmouseover('
			+ this.id + ');" >');




}

else {

	
	document.write('<a id="mi_' + this.container.id + '_'
			+ this.id +'" class="m' + this.container.id + 'l' + this.depth 
			+'o" href="' + this.fields[1] + '" target="' + this.fields[2]  +'" style="position: absolute; top: '
			+ this.get_y() + 'px; left: '	+ this.get_x(pozicia) + '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 + ');"><span class="m' + this.container.id + 'l' + this.depth 
			+'i">'+ this.fields[0] +'</span>' + retazec+'</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(pozicia) {
	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+pozicia-20);
}
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] + "';");
}
}