.bg_1 { background-image: url(../images/front_topbg01.jpg); background-repeat: no-repeat; background-position: center top}
.bg_2 { background-image: url(../images/btm01_bg01.gif); background-repeat: repeat; background-position: center top}
.tdbg_1 { background-image: url(../images/tdbg01.gif); background-repeat: no-repeat; background-position: center top}
.bg_3 { background-image: url(../images/regform_bg01.gif); background-repeat: repeat; background-position: center -165px}
.bg_4 { background-image: url(../images/bg_etlogo01.gif); background-repeat: no-repeat; background-position: center top}