function over(name) {
	
	var HTMLElement = document.getElementById(name);
	
	HTMLElement.nextSibling.style.backgroundColor = '#000';
	HTMLElement.previousSibling.style.backgroundColor = '#000';
	HTMLElement.childNodes[1].style.display = 'none';
	HTMLElement.childNodes[2].style.display = 'inline';
	
}

function out(name) {
	
	var HTMLElement = document.getElementById(name);

	HTMLElement.nextSibling.style.backgroundColor = '#fff';
	HTMLElement.previousSibling.style.backgroundColor = '#fff';
	HTMLElement.childNodes[1].style.display = 'inline';
	HTMLElement.childNodes[2].style.display = 'none';
	
}