function hide(y)
{
	for (i=0; i<y; ++i)
	{
		el = "panel"+i;
  		document.getElementById(el).style.display = 'none';
	}
}

function show(x,y)
{
		hide(y);
		el = "panel"+x;
  		document.getElementById(el).style.display = 'block';
}

var disappearSet = 0;
var moveBy = 2;
var openMenu = "";

function showSubNav(id,num)
{
	el = document.getElementById(id);
	fullHeight = (num*20)+2
	
			el.style.height = "0";
			el.style.display = 'block';
			var intID = function() {
				var curHeight = el.offsetHeight;
				var newHeight = curHeight + moveBy;
				if (newHeight <= fullHeight)
				{
					el.style.height = newHeight + "px";
				}
				else {
					clearInterval(intTimer);
				}
			}
			
			intTimer = setInterval(intID, 15);
			
			//document.getElementById(id).style.height = fullHeight+"px";
			//document.getElementById(id).style.display = 'block';	
}


function stay()
{
	clearTimeout(disappear);
}

function leave()
{
	disappear = setTimeout("hideDropDown()",2000);
	disappearSet = 1;
}

function changeImage(x)
{
	document.getElementById('aircraftVideo').style.display='none';
	document.getElementById('galleryImage').src=x;
	document.getElementById('galleryImage').style.display='block';
}


function showVideo()
{
	document.getElementById('aircraftVideo').style.display='block';
	document.getElementById('galleryImage').style.display='none';
}