body{
margin: 0;
padding: 0;
border: 0;
overflow: hidden;
height: 100%; 
max-height: 100%; 
}

#framecontentTop, #framecontentBottom{
position: absolute; 
top: 0; 
left: 0; 
width: 100%; 
height: 64px; /*Height of top frame div*/
overflow: hidden; /*Disable scrollbars. Set to "scroll" to enable*/
}

#framecontentBottom{
top: auto;
bottom: 0; 
height: 50px; /*Height of bottom frame div*/
overflow: hidden; /*Disable scrollbars. Set to "scroll" to enable*/
}

#maincontent{
position: fixed; 
top: 64px; /*Set top value to HeightOfTopFrameDiv*/
left: 0;
right: 0;
bottom: 50px; /*Set bottom value to HeightOfBottomFrameDiv*/
overflow: auto; 
vertical-align:top;
padding-left:10px;

}

* html body{ /*IE6 hack*/
padding: 130px 0 110px 0; /*Set value to (HeightOfTopFrameDiv 0 HeightOfBottomFrameDiv 0)*/
}

* html #maincontent{ /*IE6 hack*/
height: 100%; 
width: 100%; 
}