function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


// 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

// This path gets pre-pended to the file names of all the web pages.
var common_path='';
// This path gets pre-pended to all the image file names
var image_path='../../../algotronix.com/img/';

/* --- menu items --- 
var MENU_ITEMS = [
	['<img src="'+image_path+'Company_menu.gif" name="Company" alt="Company" width="90" height="14" border="0">', common_path+'Company.html',
			['Background', common_path+'Background.html'],
			['Team', common_path+'Team.html'],			
			['Contact', common_path+'Contact'],
			['Terms of Use', common_path+'Terms.html']
	],
	['<img src="'+image_path+'Engineering_menu.gif" alt="Engineering"  height="14" width="100" border="0">', common_path+'Engineering2.html',
			['Design Services',common_path+'Engineering2.html'],
			['FPGA Cores',common_path+'Engineering2.html']
	],
	['<img src="'+image_path+'Research_Menu.gif" alt="Research" " height="14" width="80" border="0" >', common_path+'Research1.html',
			['Digital Rights Management',common_path+'Research1.html']
	],
	['<img src="'+image_path+'Commercial_menu.gif" alt="Commercial"  height="14" width="100" border="0" >', common_path+'Commercial.html',
			['Due Diligence',common_path+'Commercial.html']
	],
	['<img src="'+image_path+'Legal_menu.gif" alt="Legal"  width="60" height="14" border="0">', common_path+'Legal.html',		
			['Infringement Screening', common_path+'Legal.html'],
			['Prior Art Searching', common_path+'Legal.html']
       ]
];
*/
var MENU_ITEMS = [
	['Company', common_path+'../company/Company.html',
			['Background', common_path+'../company/Background.html'],
			['Team', common_path+'../company/Team1.html'],			
			['Contact', common_path+'../company/Contact1.html'],
			['Terms of Use', common_path+'../company/Terms.html']
	],
	['Engineering', common_path+'../engineering/Engineering2.html',
			['Design Services',common_path+'../engineering/Engineering2.html'],
			['FPGA Cores',common_path+'../engineering/Engineering2.html']
	],
	['Research', common_path+'../research/Research1.html',
			['Digital Rights Management',common_path+'../research/Research1.html']
	],
	['Commercial', common_path+'../commercial/Commercial.html',
			['Due Diligence',common_path+'../commercial/Due%20Diligence.html']
	],
	['Legal', common_path+'../legal/Legal1.html',		
			['Infringement Screening', common_path+'../legal/Infringement.html'],
			['Prior Art Searching', common_path+'../legal/Prior%20Art.html']
       ]
];
/* --- geometry and timing of the menu --- 
	values are the lists with parameters for different menu levels
	for this menu: [blue_level, green_level, red_level]
*/
var MENU_POS1 = {
	// item sizes for different levels of menu
	'height': [14, 20, 20],
	'width': [80, 100, 75],
	// 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': [90, 23, 5],
	'block_left': [185, 0, 130],
	// offsets between items of the same level
	'top': [0, 21, 21],
	'left': [80, 0, 0],
	// time in milliseconds before menu is hidden after cursor has gone out
	// of any items
	'hide_delay': [200, 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_STYLES1 = {
	// default item state when it is visible but doesn't have mouse over
	'onmouseout': [
		'color', ['#FFFFFF', '#000000', '#000000'], 
		'background', ['#6666CC', '#7676DC', '#B44646'],
		//'background', ['FFFFFF', '#6666CC', '#4682B4'],
		'textDecoration', ['none', 'none', 'none'],
		'fontWeight', ['normal', 'normal', 'normal'],
	],
	// state when item has mouse over it
	'onmouseover': [
		'color', ['#FFFFFF', '#000000', '#000000'], 
		'background', ['#7676DC', '#7F7FDF', '#E55A5A'],
		'textDecoration', ['underline', 'none', 'none'],
		'fontWeight', ['normal', 'bold', 'normal'],
	],
	// state when mouse button has been pressed on the item
	'onmousedown': [
		'color', ['#FFFFFF', '#000000', '#000000'], 
		'background', ['#5AA7E5', '#5AE55A', '#E55A5A'],
		'textDecoration', ['underline', 'none', 'none'],
		'fontWeight', ['normal', 'bold', 'normal'],
	]
};

var SITE_SECTIONS=["Company","Engineering","Research","Commercial","Legal"];
// These variables are set by code on each web page.
var section, sub_section;

function leftmenu_draw() {

	document.write('<table> <tr> <td><a href="'+common_path+'../index.html"><span class="parahead"><font color="#FFFFFF">Home</font></span></a></td></tr>' );
	// Note do not use text from MENU_ITEMS array here because at the top level it has images not strings.
	for (var i=0;i<SITE_SECTIONS.length;i++) {
		document.write('<tr><td>');
		// section and sub_section variables are set by the user code on the web page - if they are not set the menu will display all the main sections without emphasis
		if (section==SITE_SECTIONS[i]) {
			//  Emphasise this section on the menu because the currently viewed page is within it
			document.write('<span class="parahead">'); fcol="#FFFFFF";	
		} else {
			// Add this section to the menu but do not emphasise it
			document.write('<span class="body_medium">'); fcol="#DFDFDF";
		} 
		document.write('<a href="'+MENU_ITEMS[i][1]+'"><font color="'+fcol+'">'+SITE_SECTIONS[i]+'</a></font></span>');
		
		if (section==SITE_SECTIONS[i]) {
			// Expand the subpages within the current section on the menu
			document.write('<table>');
			// first two items in the MENU_ITEMS array are the Image and URL for the main section
			for (var j=2;j<MENU_ITEMS[i].length;j++) {
				document.write('<tr><td>');
				if (sub_section==MENU_ITEMS[i][j][0]) {
					// Emphasise this page on the menu - it is currently being viewed.
					document.write('<span class="body_medium">');
					fcol="#FFFFFF";
				} else {
					document.write('<span class="body_small">');
					fcol="#EFEFEF";
				}
				document.write('<a href="'+MENU_ITEMS[i][j][1]+'"><font color="'+fcol+'">&gt '+MENU_ITEMS[i][j][0]+'</a></font></span>');
				document.write('</tr></td>');
			} // for j
			document.write('</table>');
		} // if section...
		document.write('</tr></td>');
	} // for i
	document.write('</table>');
}  // leftmenu_draw