var btn_login_on = new Image ();
btn_login_on.src = "images/login_on.jpg";
var btn_login_off = new Image ();
btn_login_off.src = "images/login.jpg";
var btn_home_on = new Image ();
btn_home_on.src = "images/home_on.jpg";
var btn_home_off = new Image ();
btn_home_off.src = "images/home.jpg";
var btn_who_on = new Image ();
btn_who_on.src = "images/who_on.jpg";
var btn_who_off = new Image ();
btn_who_off.src = "images/who.jpg";
var btn_what_on = new Image ();
btn_what_on.src = "images/what_on.jpg";
var btn_what_off = new Image ();
btn_what_off.src = "images/what.jpg";
var btn_expertise_on = new Image ();
btn_expertise_on.src = "images/expertise_on.jpg";
var btn_expertise_off = new Image ();
btn_expertise_off.src = "images/expertise.jpg";
var btn_partners_on = new Image ();
btn_partners_on.src = "images/partners_on.jpg";
var btn_partners_off = new Image ();
btn_partners_off.src = "images/partners.jpg";
var btn_portfolio_on = new Image ();
btn_portfolio_on.src = "images/portfolio_on.jpg";
var btn_portfolio_off = new Image ();
btn_portfolio_off.src = "images/portfolio.jpg";
var btn_contact_on = new Image ();
btn_contact_on.src = "images/contact_on.jpg";
var btn_contact_off = new Image ();
btn_contact_off.src = "images/contact.jpg";

var btn_whoVERTICAL_on = new Image ();
btn_whoVERTICAL_on.src = "images/whoVERTICAL_on.jpg";
var btn_whoVERTICAL_off = new Image ();
btn_whoVERTICAL_off.src = "images/whoVERTICAL.jpg";
var btn_whatVERTICAL_on = new Image ();
btn_whatVERTICAL_on.src = "images/whatVERTICAL_on.jpg";
var btn_whatVERTICAL_off = new Image ();
btn_whatVERTICAL_off.src = "images/whatVERTICAL.jpg";
var btn_expertiseVERTICAL_on = new Image ();
btn_expertiseVERTICAL_on.src = "images/expertiseVERTICAL_on.jpg";
var btn_expertiseVERTICAL_off = new Image ();
btn_expertiseVERTICAL_off.src = "images/expertiseVERTICAL.jpg";

function switchOn(imgName,ctrl,msg)
{
	document[ctrl].src = eval(imgName + "_on.src")
	window.status = msg;
	return true;
}

function switchOff(imgName,ctrl)
{
	document[ctrl].src = eval(imgName + "_off.src")
	window.status = "";
	return true;
}