//menu function starts here
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=1) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		phome = newImage("images/home.png");
		pservices = newImage("images/services.png");
		pclients = newImage("images/clients.png");
		pabout = newImage("images/about.png");
		pcontact = newImage("images/contact.png");
		pevents = newImage("images/events.png");
		pblog = newImage("images/blog.png");
		phome_over = newImage("images/home-over.png");
		pservices_over = newImage("images/services-over.png");
		pclients_over = newImage("images/clients-over.png");
		pabout_over = newImage("images/about-over.png");
		pevents_over = newImage("images/events-over.png");
		pcontact_over = newImage("images/contact-over.png");
		pblog_over = newImage("images/blog-over.png");
		pserviceshour = newImage("images/serviceshour.png");
		piipkgs = newImage("images/iipkgs.png");
		pclasses = newImage("images/classes.png");
		pserviceshour_over = newImage("images/serviceshour-over.png");
		piipkgs_over = newImage("images/pkgs-over.png");
		pclasses_over = newImage("images/classes-over.png");
		preloadFlag = true;
	}
}

var menu = new Array();
	menu['home'] = new Array();
	menu['home']['link'] = "index.html";
	menu['home']['alt'] = "Home";

	menu['services'] = new Array();
	menu['services']['link'] = "#";
	menu['services']['alt'] = "Services";
	
	menu['events'] = new Array();
	menu['events']['link'] = "events.html";
	menu['events']['alt'] = "Events";

	menu['clients'] = new Array();
	menu['clients']['link'] = "clients.html";
	menu['clients']['alt'] = "Clients";

	menu['about'] = new Array();
	menu['about']['link'] = "about.html";
	menu['about']['alt'] = "About";

	menu['contact'] = new Array();
	menu['contact']['link'] = "contact.html";
	menu['contact']['alt'] = "Contact";

	menu['blog'] = new Array();
	menu['blog']['link'] = "thoughts_on_style.html";
	menu['blog']['alt'] = "Thoughts on Style";

function menuStatus(curr, sel) {
	if (curr == sel)
		document.write("<div id=menu_" + sel + "><a href='" + menu[sel]['link'] + "' ><img name=\"" + sel + "\" src=\"images/" + sel + "-over.png\" border=\"0\" alt=\"" + menu[sel]["alt"] + "\"></a></div>");
	else
		document.write("<div id=menu_" + sel + "><a href='" + menu[sel]['link'] + "' onmouseover=\"changeImages('" + sel +"', 'images/" + sel + "-over.png'); return true;\" onmouseout=\"changeImages('" + sel + "', 'images/" + sel + ".png'); return true;\"><img name=\"" + sel + "\" src=\"images/" + sel + ".png\" border=\"0\" alt=\"" + menu[sel]["alt"] + "\"></a></div>");
}

// <script>

// Copyright (C) 2005 Ilya S. Lyubinskiy. All rights reserved.
// Technical support: http://www.php-development.ru/
//
// YOU MAY NOT
// (1) Remove or modify this copyright notice.
// (2) Distribute this code, any part or any modified version of it.
//     Instead, you can link to the homepage of this code:
//     http://www.php-development.ru/javascripts/dropdown.php.
//
// YOU MAY
// (1) Use this code on your website.
// (2) Use this code as a part of another product provided that
//     its main use is not creating javascript menus.
//
// NO WARRANTY
// This code is provided "as is" without warranty of any kind, either
// expressed or implied, including, but not limited to, the implied warranties
// of merchantability and fitness for a particular purpose. You expressly
// acknowledge and agree that use of this code is at your own risk.


// ----- Popup Control ---------------------------------------------------------

function at_display(x)
{
  var win = window.open();
  for (var i in x) win.document.write(i+' = '+x[i]+'<br>');
}

// ----- Show Aux -----

function at_show_aux(parent, child)
{
  var p = document.getElementById(parent);
  var c = document.getElementById(child );

  var top  = (c["at_position"] == "y") ? p.offsetHeight+1 : 0;
  var left = (c["at_position"] == "x") ? p.offsetWidth +1 : 0;

  for (; p; p = p.offsetParent)
  {
    top  += p.offsetTop;
    left += p.offsetLeft;
  }

  c.style.position   = "absolute";
  c.style.top        = top +'px';
  c.style.left       = left+'px';
  c.style.visibility = "visible";
}

// ----- Show -----

function at_show()
{
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);

  at_show_aux(p.id, c.id);

  clearTimeout(c["at_timeout"]);
}

// ----- Hide -----

function at_hide()
{
  var c = document.getElementById(this["at_child"]);

  c["at_timeout"] = setTimeout("document.getElementById('"+c.id+"').style.visibility = 'hidden'", 1);
}

// ----- Click -----

function at_click()
{
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);

  if (c.style.visibility != "visible")
       at_show_aux(p.id, c.id);
  else c.style.visibility = "hidden";

  return false;
}

// ----- Attach -----

// PARAMETERS:
// parent   - id of visible html element
// child    - id of invisible html element that will be dropdowned
// showtype - "click" = you should click the parent to show/hide the child
//            "hover" = you should place the mouse over the parent to show
//                      the child
// position - "x" = the child is displayed to the right of the parent
//            "y" = the child is displayed below the parent
// cursor   - Omit to use default cursor or check any CSS manual for possible
//            values of this field

function at_attach(parent, child, showtype, position, cursor)
{
  var p = document.getElementById(parent);
  var c = document.getElementById(child);

  p["at_parent"]     = p.id;
  c["at_parent"]     = p.id;
  p["at_child"]      = c.id;
  c["at_child"]      = c.id;
  p["at_position"]   = position;
  c["at_position"]   = position;

  c.style.position   = "absolute";
  c.style.visibility = "hidden";

  if (cursor != undefined) p.style.cursor = cursor;

  switch (showtype)
  {
    case "click":
      p.onclick     = at_click;
      p.onmouseout  = at_hide;
      c.onmouseover = at_show;
      c.onmouseout  = at_hide;
      break;
    case "hover":
      p.onmouseover = at_show;
      p.onmouseout  = at_hide;
      c.onmouseover = at_show;
      c.onmouseout  = at_hide;
      break;
  }
}