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