w = 0;
wt = "";
function showmenu(elmnt, btn, img) {
	w = 0;
	clearTimeout(wt);
	
	document.getElementById("home_menu").style.top = "-80px";
	document.getElementById("about_us_menu").style.top = "-80px";
	document.getElementById("news_menu").style.top = "-80px";
	document.getElementById("services_menu").style.top = "-80px";
	document.getElementById("portfolio_menu").style.top = "-80px";
	document.getElementById("free_quote_menu").style.top = "-80px";
	document.getElementById("members_login_menu").style.top = "-80px";
	document.getElementById("careers_menu").style.top = "-80px";
	document.getElementById("contact_us_menu").style.top = "-80px";
	document.getElementById("site_map_menu").style.top = "-80px";
	
	document.getElementById(elmnt).style.top = "110px";
	left = (screen.width - 956) / 2;
	document.getElementById(elmnt).style.left = left + "px";
	
	document.getElementById("btn_home").src = "images/home.jpg";
	document.getElementById("btn_about_us").src = "images/about_us.jpg";
	document.getElementById("btn_news").src = "images/news.jpg";
	document.getElementById("btn_services").src = "images/services.jpg";
	document.getElementById("btn_portfolio").src = "images/portfolio.jpg";
	document.getElementById("btn_free_quote").src = "images/free_quote.jpg";
	document.getElementById("btn_members_login").src = "images/members_login.jpg";
	document.getElementById("btn_careers").src = "images/careers.jpg";
	document.getElementById("btn_contact_us").src = "images/contact_us.jpg";
	document.getElementById("btn_site_map").src = "images/site_map.jpg";
	
	document.getElementById(btn).src = "images/default.htm" + img;
}
function hidemenu(elmnt, btn, img) {
	w++;
	if(w > 1) {
		w = 0;
		document.getElementById(elmnt).style.top = "-80px";
		document.getElementById(btn).src = "images/default.htm" + img;
		clearTimeout(wt);
	}
	else {
		wt = setTimeout("hidemenu('"+elmnt+"', '"+btn+"', '"+img+"')",500);
	}
}