var imgurl = "http://www.thisisroatan.com/wp/wp-content/themes/thisisroatan/images/";

var topmenus = ["help", "explore", "visit"];

function toggleMenu(menuname)
{
	if (menu_div = document.getElementById(menuname)){
		if (menu_div.style.display == '' || menu_div.style.display == 'none'){
			showMenu(menuname);
		} else {
			hideMenu(menuname);
		}
	}
}

function showMenu(menuname)
{
	if (menu = document.getElementById(menuname)){
		menu.style.display = 'block';
		if (tab = document.getElementById(menuname+"-tab"))
			tab.style.background = "#003260";	
		if (arrow = document.getElementById(menuname+"-arrow"))
			arrow.style.backgroundImage = "url('"+imgurl+"tab-hide.png')";
	}
}

function hideMenu(menuname)
{
	if (menu = document.getElementById(menuname)){
		menu.style.display = 'none';
		if (tab = document.getElementById(menuname+"-tab"))
			tab.style.background = "none";
		if (arrow = document.getElementById(menuname+"-arrow"))
			arrow.style.backgroundImage = "url('"+imgurl+"tab-show.png')";
	}
}

function hideTopMenus(menuname)
{
	for (var i in topmenus){
		if (topmenus[i] != menuname)
			hideMenu(topmenus[i]);
	}
}