var hideTimer;

function showPopup(menuName)
{
	var oDiv = document.getElementById(menuName);
	oDiv.className = "popUpDiv show";
}
function hidePopup(menuName)
{
	hideTimer = setTimeout("doHide('"+ menuName +"')", 800);	
}

function doHide(menuName)
{
	var oDiv = document.getElementById(menuName);
	oDiv.className = "popUpDiv hidden";
}
function calculateSleep()
{
	var myForm = document.forms["Hidden"];
	var total = 0;
	for (var i = 0; i < myForm.elements.length ; i++ )
	{
		var oElem = myForm.elements[i];
		if (oElem.type == "radio")
		{
			if (oElem.checked)
				total += parseInt(oElem.value);
		}
	}
	myForm.sleepValue.value = total;
}