/*function displayHover(object) {
	document.getElementById(object.id + '_hover').style.display = 'block'; 
	document.getElementById('transparent_bg').style.display = 'block';
}
function hideHover(object) {
	document.getElementById(object.id + '_hover').style.display = 'none'; 
	document.getElementById('transparent_bg').style.display = 'none';
}*/