body{
margin:0;
padding:0;
text-align:center;
background-color:#000;
}
#mainContainer {
position: absolute;
top:50%;
right:0;
bottom:0;
left:0;
width:100%;
height:235px;
margin-top:-125px;
}
#main_flash{
margin-left:auto;
margin-right:auto;
margin-top:0px;
width:100%;
height:100%;
}
#intro_flash{
margin-left:auto;
margin-right:auto;
margin-top:0px;
width:100%;
height:235px;
}