var currentObject = null;

function hoverOn(element) {
	hoverOff();
	for (var x=0; element.childNodes[x]; x++){
		if (element.childNodes[x].tagName == 'DIV') {
			element.childNodes[x].style.display = 'block';
			currentObject = element.childNodes[x];
		}
	}
}

function hoverOff() {
	if (currentObject) {
		currentObject.style.display = 'none';
		currentObject = null;
	}
}