#menu { position: absolute; z-index: 50; width: 266px; height: 222px; display: none; overflow: hidden;}
#topleft, #topright, #botleft, #botright { visibility: hidden; }
.rubLeftcorner_blue { position: relative; width: 25px; background: transparent url('../img/blue_BL_corner.gif') no-repeat bottom left;}
.rubRightcorner_blue { position: relative; width: 25px; background: transparent url('../img/blue_TR_corner.gif') no-repeat top right;}
.rubLeftcorner_pink { position: relative; width: 25px; background: transparent url('../img/pink_TL_corner.gif') no-repeat top left;}
.rubRightcorner_pink { position: relative; width: 25px; background: transparent url('../img/pink_BR_corner.gif') no-repeat bottom right;}
.rubLeftcorner_green { position: relative; width: 25px; background: transparent url('../img/green_TL_corner.gif') no-repeat top left;}
.rubRightcorner_green { position: relative; width: 25px; background: transparent url('../img/green_BR_corner.gif') no-repeat bottom right;}
.rubLeftcorner_orange { position: relative; width: 25px; background: transparent url('../img/orange_BL_corner.gif') no-repeat bottom left;}
.rubRightcorner_orange { position: relative; width: 25px; background: transparent url('../img/orange_TR_corner.gif') no-repeat top right;}