.regbox
{
    margin:0px auto;
    width:520px;
    /*height:200px;*/
}
.rb_l
{
    float:left;
    width:11px;
    height:200px;
    overflow:hidden;
}
.rb_l .top
{
    width:11px;
    height:11px;
    background-image:url(../images/expo_sign_05.gif);
}
.rb_l .middle
{
    width:11px;
    height:178px;
    background-image:url(../images/expo_sign_22.gif);
    background-repeat:repeat-y;
}
.rb_l .bottom
{
    width:11px;
    height:11px;
    background-image:url(../images/expo_sign_24.gif);
}
.rb_m
{
    float:left;
    width:498px;
    height:200px;
    overflow:hidden;
}
.rb_m .top
{
    width:498px;
    height:11px;
    background-image:url(../images/expo_sign_06.gif);
    background-repeat:repeat-x;
}
.rb_m .middle
{
    width:498px;
    height:178px;
    
}
.rb_m .bottom
{
    width:498px;
    height:11px;
    background-image:url(../images/expo_sign_25.gif);
    background-repeat:repeat-x;
}
.rb_r
{
    width:11px;
    float:left;
    height:200px;
    overflow:hidden;
}
.rb_r .top
{
    width:11px;
    height:11px;
    background-image:url(../images/expo_sign_08.gif);
}
.rb_r .middle
{
    width:11px;
    height:178px;
    background-image:url(../images/expo_sign_15.gif);
    background-repeat:repeat-y;
}
.rb_r .bottom
{
    width:11px;
    height:11px;
    background-image:url(../images/expo_sign_16.gif);
}
.regtitle
{
    width:310px;
    height:36px;
    background-image:url(../images/expo_sign_13.jpg);
    background-position:right center;
    background-repeat:no-repeat;
}
.regcontent
{
    padding-left:30px;
    font-size:14px;
}
.regcontent td{
    height:30px;
}
.regcontent input
{
    
    border:1px;
    border-style:double;
    border-color:#67AEE4;
}
.tjbutton{
    width:92px;
    height:28px;
    background-image:url(../images/expo_sign_19.jpg);
    border:0px;
    margin:0px;
    padding:0px;
    text-decoration:none;
}
.logintitle
{
    width:310px;
    height:36px;
    background-image:url(../images/expo_login_13.jpg);
    background-position:right center;
    background-repeat:no-repeat;
}
.loginbtn
{
    width:92px;
    height:28px;
    background-image:url(../images/expo_login_19.jpg);
    border:0px;
    margin:0px;
    padding:0px;
    text-decoration:none;
}