#divUpControl{position:absolute; width:320px; left:10px; top:10px; z-index:1; text-align: right} 
#divDownControl{position:absolute; width:320px; left:10px; top:270px; z-index:1; text-align: right} 
#divContainer{position:absolute; width:320px; height:240px; overflow:hidden; top:30px; left:10px; clip:rect(0,320,240,0); visibility:hidden} 
#divContent{position:absolute; top:0px; left:0px}