function imgHover( name )
{
	var element = document.getElementById( 'img-' + name );
	element.src = '/medias/images/bt/' + name + '-over.gif';
}

function imgOut( name )
{
	var element = document.getElementById( 'img-' + name );
	element.src = '/medias/images/bt/' + name + '-out.gif';
}