/*
	global.js
	Plan C
*/


var hideMenuTimeout = null;

function showMenu() {
	clearTimeout(hideMenuTimeout);
	$('subnav-action').setStyle('display', 'block');
	$('tab_action').setStyle('background', '#4A9ACB');
}

function hideMenu() {
	hideMenuTimeout = setTimeout("$('subnav-action').setStyle('display', 'none');$('tab_action').setStyle('background', '#464444');", 1);
}

var hideMenuTimeout2 = null;

function showMenu2() {
	clearTimeout(hideMenuTimeout);
	$('subnav-resources').setStyle('display', 'block');
	$('tab_resources').setStyle('background', '#4A9ACB');
}

function hideMenu2() {
	hideMenuTimeout = setTimeout("$('subnav-resources').setStyle('display', 'none');$('tab_resources').setStyle('background', '#464444');", 1);
}

var hideMenuTimeout3 = null;

function showMenu3() {
	clearTimeout(hideMenuTimeout);
	$('subnav-about').setStyle('display', 'block');
	$('tab_about').setStyle('background', '#4A9ACB');
}

function hideMenu3() {
	hideMenuTimeout = setTimeout("$('subnav-about').setStyle('display', 'none');$('tab_about').setStyle('background', '#464444');", 1);
}

function initMenu() {

	$('nav_action').addEvent('mouseenter', showMenu);	
	$('nav_action').addEvent('mouseleave', hideMenu);		

	$('subnav-action').addEvent('mouseenter', showMenu);	
	$('subnav-action').addEvent('mouseleave', hideMenu);

	$('nav_resources').addEvent('mouseenter', showMenu2);	
	$('nav_resources').addEvent('mouseleave', hideMenu2);		

	$('subnav-resources').addEvent('mouseenter', showMenu2);	
	$('subnav-resources').addEvent('mouseleave', hideMenu2);

	$('nav_about').addEvent('mouseenter', showMenu3);	
	$('nav_about').addEvent('mouseleave', hideMenu3);		

	$('subnav-about').addEvent('mouseenter', showMenu3);	
	$('subnav-about').addEvent('mouseleave', hideMenu3);

}

window.addEvent('domready', function() {
	initMenu();
});

function toggle_visibility(id) {
	var e = document.getElementById(id);
	if(e.style.display == 'block')
	  e.style.display = 'none';
	else
	  e.style.display = 'block';
}