#regmain {  
            height: 1800px;  
            padding-top: 90px;  
            text-align: center;  
        }  
        #regfullbg {  
            background-color:#e6e6e6;  
            left: 0;  
            opacity: 0.5;  
            position: absolute;  
            top: 0;  
            z-index: 3;  
            filter: alpha(opacity=80);  
            -moz-opacity: 0.5;  
            -khtml-opacity: 0.5;  
        }  
  
        #regdialog {  
            background-color: #fff;  
            border:0px solid rgba(0,0,0, 0.4);  
            height:280px;  
            left: 50%;  
            margin: -200px 0 0 -200px;  
            padding:0px;  
            position: fixed !important; /* 浮动对话框 */  
            position: absolute;  
            top: 50%;  
            width: 530px;  
            z-index: 5;  
            border-radius: 5px;  
            display: none;  
        }  
        #regdialog p {  
                margin: 0 0 12px;  
                height: 30px;  
                line-height:30px;  
                background:#3c9778;  
         }  
         #regdialog p.regclose {  
                text-align: right;  
                padding-right: 10px;  
                font-size:14px;
         }  
        #regdialog p.regclose a {  
                color: #fff;  
                text-decoration: none;  
        }  
         #regdialog  .reginfomain {  font-size:14px; padding:30px; line-height:30px; }
         #regdialog  .reginfobutton {  font-size:14px;background-color:#3c9778;border:1px solid #cecece; color:White; padding:3px; width:120px;margin-top:30px; }