//This part - Originator: Denis Gritcyuk, www.softcomplex.xom
		//Modified by Richard Baker, richard@greenduckweb.co.uk - March 2004
	
	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 + 10) + ';" '
				+ '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] + "';");
	}
		
	var MENU_ITEMS =[
		["<img src='/page_images/spacer.gif' height='3' width='10' border='0'>Home", "index.php",
	//		["<img src='/page_images/1px_white.gif' height='3' width='10' border='0'>Sub-menu1", "#"],
		],
		["<img src='/page_images/spacer.gif' height='3' width='10' border='0'>About us", "aboutus.php",
	//        ["<img src='/page_images/spacer.gif' height='3' width='10' border='0'>Sub Menu", ""],
		],
	["<img src='/page_images/spacer.gif' height='3' width='10' border='0'>Our Speakers", "search.php",
		],
	  ["<img src='/page_images/spacer.gif' height='3' width='10' border='0'>Register", "register.php",
		],
	 ["<img src='/page_images/spacer.gif' height='3' width='10' border='0'>Contact us", "contactus.php",
		],
	 ["<img src='/page_images/spacer.gif' height='3' width='10' border='0'>Enquiry form", "enquiry.php",
		],
	 ["<img src='/page_images/spacer.gif' height='3' width='10' border='0'>Terms & conditions", "tnc.php",
		],
	];
		
	/* --- geometry and timing of the menu --- */
	var MENU_POS = new Array();
	
		// item sizes for different levels of menu
		MENU_POS['height']     = [22, 22, 22];
		MENU_POS['width']      = [159, 159, 159];
	
		// 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
		MENU_POS['block_top']  = [152, 0, 0];
		MENU_POS['block_left'] = [11, 159, 159];
	
		// offsets between items of the same level
		MENU_POS['top']        = [21, 21, 21];
		MENU_POS['left']       = [0, 0, 0];
	
		// time in milliseconds before menu is hidden after cursor has gone out
		// of any items
		MENU_POS['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_STYLES = new Array();
	
		// default item state when it is visible but doesn't have mouse over
		MENU_STYLES['onmouseout'] = [
			'background', ['#2794ff', '#ffffff', '#FCCFA1'],
			'color', ['#ffffff', '#336699', '#993300'],
		];
	
		// state when item has mouse over it
		MENU_STYLES['onmouseover'] = [
			'background', ['#a702a7', '#7912ff', '#FBA044'],
			'color', ['#ffffff', '#FFFFFF', '#FFFFFF'],
		];
	
		// state when mouse button has been pressed on the item
		MENU_STYLES['onmousedown'] = [
			'background', ['#cccccc', '#cccccc', '#cccccc'],
			'color', ['#FCCFA1', '#000000', '#000000'],
		];
		
	function lTrim(str){
	   var whitespace = new String(" \t\n\r");
	   var s = new String(str);
	
	   if (whitespace.indexOf(s.charAt(0)) != -1) {
		  var j=0, i = s.length;
		  while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
			 j++;
		  s = s.substring(j, i);
	   }
	   return s;
	}
	
	function rTrim(str){
	   var whitespace = new String(" \t\n\r");
	   var s = new String(str);
	   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
		  var i = s.length - 1;       // Get length of string
		  while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
			 i--;
		  s = s.substring(0, i+1);
	   }
	   return s;
	}
	
	function Trim(str) {
	   return rTrim(lTrim(str));
	}

	function fnShortList() {
		if (document.cookie) {
			var speaker = document.cookie.split(";");
			for (var i = 0;i < speaker.length;i++) {
				var detail = speaker[i].split("=");
				if (i == 0)
					document.f1.shortlist.options[i + 1] = new Option(" " + detail[0],detail[1]);
				else
					document.f1.shortlist.options[i + 1] = new Option(detail[0],detail[1]);
			}
			document.f1.shortlist.size = speaker.length + 1;
		}
	}
	
	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_showHideLayers() { //v6.0
	  var i,p,v,obj,args=MM_showHideLayers.arguments;
	  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
		if (obj.style) { obj=obj.style; v=(v=='show')?'inline':(v=='hide')?'none':v; }
		obj.display=v; }
	}