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

#topcontent{
position: fixed;
top: 0;
left: 0;
width: 100%; /*Width of frame div*/
height: 100px;
overflow: hidden; /*Disable scrollbars. Set to "scroll" to enable*/
background: green;
color: white;
}
#leftcontent{
position: absolute;
top:0;
bottom: 0;
left: 0;
width: 100%; /*Width of frame div*/
height: 100%;
overflow: hidden; /*Disable scrollbars. Set to "scroll" to enable*/
background: navy;
color: white;
}
#maincontent{
position: fixed;
top: 0;
left:0; /*Set left value to WidthOfFrameDiv*/
right: 0;
bottom: 0;
overflow: auto;
background: #fff;
}
.innertube{
margin: 10px; /*Margins for inner DIV inside each DIV (to provide padding)*/
}

* html body{ /*IE6 hack*/
padding: 0 0 0 200px; /*Set value to (0 0 0 WidthOfFrameDiv)*/
}

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