// UNHIDES SPANS
function showMe(evt) 
{
	blockElement = document.getElementById(evt);
	if (blockElement.style.display == "none") {
		blockElement.style.display = "block";
	} else {
		blockElement.style.display = "none";
	}
}

// CHANGES DISPLAYED TEXT FROM + TO -
function changeText(first, second, evt) {
	blockElement = document.getElementById(evt);
	if (blockElement.innerHTML == first) {
		blockElement.innerHTML = second;
	} else {
		blockElement.innerHTML = first;
	}
}