// Reveals interactivity feedback

var sDiv="";
var inEm = 10;
var mClick = 1;
var closeInEm = 0;

function toggleReveal(divId)
{
	sDiv = document.getElementById(divId);
	toggleRevealAnim();
}

function toggleRevealAnim() {
	if (sDiv.offsetHeight < (sDiv.scrollHeight-10))
	{
		sDiv.style.height=(inEm + "em")
		inEm+=1.4;
		setTimeout("toggleRevealAnim()","10");
	}
	else
	{
		//sDiv.style.height="auto";
		sDiv.style.overflow="visible";
		inEm = 10;
	}
}


function fbReveal(objName0, objName1) {
	objItem0 = document.getElementById(objName0);
	objItem1 = document.getElementById(objName1);
	if (objItem0.style.display == 'block') {
		objItem0.style.display = 'none';
		objItem1.style.display = 'block';
		//return;
	}
	else {
		objItem0.style.display = 'block';
		document.getElementById('overview0').style.height = "10px";
		objItem1.style.display = 'none';
		//return;
	}
	toggleReveal('overview0');
}