.spoiler {
background-color : #FFFFFF;
background-repeat: repeat-x;
border : thin ridge #FFFFFF;
padding-left : 40px;
padding-right : 20px;
margin-left : 20px;
margin-right : 40px;
}

.spoilerheader {
padding-left : 15px;
background-image : url(../images/plus.gif);
background-repeat: no-repeat;
background-position:0 1;
display:block;
cursor: pointer;
}

.spoiler.open .spoilerheader {background-image : url(../images/minus.gif);}

.spoiler .spoilertext {display:none;}

.spoiler.open .spoilertext {display:block;}