// Title: tigra menu
// Description: See the demo at url
// URL: http://www.softcomplex.com/products/tigra_menu/
// Version: 1.0
// Date: 01-09-2002 (mm-dd-yyyy)
// Contact: feedback@softcomplex.com (specify product title in the subject)
// Notes: Registration needed to use this script on your web site.
// 	Registration for this version (1.0) is free of charge.
//	See official site for details

var menus = [];

// --- menu class ---
function menu (item_struct, pos, styles) {
	// browser check
	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');
}
// --- 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;
	
	// init recursively
	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] + "';");
}
// that's all folks


/*---------------------------------------------------------------------------------*/
/* --- menu items --- */
var MENU_ITEMS = 
[
  ['Home', 'index.htm',],

  ['About Ourselves', 'about-ourselves.htm', ],

  ['Objectives', 'objectives.htm' ],

  ['Services', 'the-services.htm',
	['Access to Catalogs & Databases', 'access-catalogs-databases.htm',],
	['Interlibrary Loan/Delivery', 'loan-delivery-services.htm',],
	['Retro-Conversion', 'retro-conversion.htm',],
	['Reference Services', 'reference-services.htm',],
	['Professional Training', 'professional-training.htm',],
	['Technical Support', 'technical-support.htm',],
	
  ],

  ['Publications', 'publications.htm',
	['NACLIN Proceedings', 'naclin-proceedings.htm',],
        ['Newsletter', 'newsletter.htm',],
        ['Director Report', 'director-report.htm',],
	['Other Publications', 'other-publications.htm',],
  ],


  ['Director Report', 'director-report.htm',
        ['Director Report 2008-09 (Latest)', '2008-2009.pdf',],
  ],

  ['Latest Programmes', 'programmes.htm',
        ['NACLIN 2010', 'http://www.naclin.org',],
        ['Lecture', 'del-invi.pdf',],
        ['NACLIN 2009', 'http://www.naclin.org',],
        ['Lecture', 'Delnet.ppt',],
        ['Workshop at Srinagar', 'workjk.JPG',],
        ['Orientation Prog. (Santiniketan)', 'Visva.jpg',],
        ['Orientation Programme at Chennai', 'Chenn.jpg',],
        ['Orientation Prog. at Bangalore', 'Banga.jpg',],
        ['Regional Workshops on KOHA', 'Amrita.JPG',],
        ['DELNET Annual Lecture', 'delanl.ppt',],
  ],

  ['NACLIN 2010', 'http://www.naclin.org',],

  ['DELNET Statistics', 'delnet-statistics.htm',
	['Membership Statistics', 'member-statistics.htm',],
	['Database Statistics', 'database-statistics.htm',],	
  ],

  ['DELNET Initiatives', '#',
	['National Bibliographic Database', 'National-Bibliographic-Database.htm',],
	['Knowledge Centers', 'knowledge-centres.htm',],
  ],

  ['AICTE Delnet MOU', 'aicte-delnet-mou.htm',
	['Highlights of MOU', 'aicte-delnet-mou.htm#1',],
        ['Membership Application Form', 'forms.doc',],
        ['Text of the Undertaking', 'under.doc',],
        ['DELNET Application Form & MOU', 'mouaicte.doc',],
        ['Payment to be made', 'aicte-delnet-mou.htm#2',],
	['Annexure', 'aicte-delnet-mou.htm#3',],
	
  ],

  ['DELNET Membership', 'membership.htm',
	['Who can join?', 'membership.htm#h1',],
        ['Download Application Form & MOU', 'mou.doc',],
	['Membership Fee', 'membership.htm#h2',],
	['ILL charges', 'membership.htm#h3',],
  ],

  ['Software Development', 'software-development.htm',
	['DELDOS', 'software-development.htm#h1',],
	['DELMARC', 'software-development.htm#h2',],
	['DELPLUS', 'software-development.htm#h3',],
	['DELVISION', 'software-development.htm#h4',],
  ],

  ['Professional Development', 'professional-development.htm',
	['Workshops/ Seminars', 'workshops-seminars.htm',],
	['Lectures', 'lectures.htm',],
        ['National Convention', 'naclin-2005.htm',],
  ],

  ['Coordination Unit Bangalore', 'coordination-unit.htm',],

  ['Access DELNET Online', 'http://164.100.247.17/',],
  
];

/*----------------------------------------------------------------------*/

/* --- geometry and timing of the menu --- */
var MENU_POS2 = {
	// item sizes for different levels of menu
	'width': [145, 180],
	'height': [18, 18],
	// 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': [121, 0],
	'block_left': [10, 135],
	// offsets between items of the same level
	'top': [21, 21],
	'left': [0, 0],
	// time in milliseconds before menu is hidden after cursor has gone out
	// of any items
	'hide_delay': [200, 200]
};
	
/* --- dynamic menu styles ---
note: you can add as many style properties as you wish but be not all browsers
are able to render them correctly. The only relatively safe properties are
'color' and 'background'.
*/
var MENU_STYLES2 = {
	// default item state when it is visible but doesn't have mouse over
	'onmouseout': [
		'color', ['#000000', '#000000'], 
		'background', ['#EFEFEF', '#EFEFEF'],
	],
	// state when item has mouse over it
	'onmouseover': [
		'color', ['#ffffff', '#ffffff'], 
		'background', ['#787878', '#787878'],
	],
	'onmousedown': [
		'color', ['#000000', '#000000'], 
		'background', ['#ffffff', '#ffffff'],
	]
};