var blinkerMap = [];
function doBlink(blinkId, hideId, type)
{
	blinkerMap[hideId] = setInterval("blinkText('" + blinkId + "', '" + type + "')", 500);
}

function blinkText(id, type)
{
	if(type == "solid")
	{
		if(document.getElementById(id).style.visibility == "hidden")
			document.getElementById(id).style.visibility = "visible";
		else
			document.getElementById(id).style.visibility = "hidden";
	}
}

function deleteNavbar(id)
{
	// remove navbar
	document.getElementById(id).parentNode.removeChild(document.getElementById(id));
	
	// stop interval
	if(blinkerMap[id] != null)
		clearTimeout(blinkerMap[id]);
}