div#overlay{
position: fixed;
top: 0;
left: 0;
height: 100%;
width: 100%;
display: none;
text-align: center;
}
* html div#overlay{
position: absolute;
}
div#trans_back{
position: absolute;
top: 0;
left: 0;
height: 100%;
width: 100%;
background-color:#fff;
filter:alpha(opacity=70);
-moz-opacity: 0.7;
opacity: 0.7;
}
div#frame_box{
position: relative;
z-index: 100;
margin: 0 auto;
}
div#close{
text-align:right;
position: relative;
height: 20px;
}
div#close a{
display: block;
height: 20px;
position: absolute;
top:1px;
right: 0px;
z-index: 10;
}
iframe{
position: relative;
top: 20px;
z-index: 9;
border: solid 1px #999;
z-index:9;
}