.trigger {
	cursor:pointer;
}
.trigger img {
	display: none;
}
.trigger:hover {
	cursor:pointer;
	background:#ddf;
}
.expanded {
	background:#FFF;
	cursor:pointer;
}
.expanded img {
	display: none;
}
.expanded:hover {
	background:#FFF;
	cursor:pointer;
}
.show {
	position:static;
    display: table;
}
.hide {
	position:absolute;
	left:-999em;
	height:1px;
	width:100px;
	overflow:hidden;
}