.expand .opener {
    cursor: pointer;
}

.expand .opener.hider {
    background: url(../images/subtract.png) no-repeat 7px center;
    padding-left: 20px;
}

.expand .opener.shower {
    background: url(../images/add.png) no-repeat 7px center;
    padding-left: 20px;
}

.expand a.openerGoer {
    display: inline;
    padding-left: 2px;
}

.expand a.openerGoer img {
    border: none;
    vertical-align: middle;
}

/* preload these images, in newer browsers */
body:after {
    content: url(../images/add.png) url(../images/subtract.png) url(../images/forward.png);
    display: none;
}