var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	if (ddmenuitem) ddmenuitem.style.visibility = 'visible';
}

// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose;

// Enrollment Action
function EnrollNow(day, hours, term, location, fee, classe)
{
    document.location = 'enrollment.php' + 
        '?d=' + day +
        '&h=' + hours +
        '&t=' + term +
        '&l=' + location +
        '&f=' + fee +
        '&c=' + classe;
}