function scroll_div(id,dir,delta){
 elem=document.getElementById(id);
 switch(dir){
 case 'left':
	elem.scrollLeft=elem.scrollLeft-delta;
 break;
 case 'right':
	elem.scrollLeft=elem.scrollLeft+delta;
 break;
 case 'up':
	elem.scrollTop=elem.scrollTop-delta;
 break;
 case 'down':
	elem.scrollTop=elem.scrollTop+delta;
 break;
 }
}

var moveOn;
moveOn=0;



function auto_scroll_div(id,dir,delta){
 elem=document.getElementById(id);
 switch(dir){
 case 'left':
	elem.scrollLeft=elem.scrollLeft-delta;
 break;
 case 'right':
	elem.scrollLeft=elem.scrollLeft+delta;
 break;
 case 'up':
	elem.scrollTop=elem.scrollTop-delta;
 break;
 case 'down':
	elem.scrollTop=elem.scrollTop+delta;
 break;
 }
 if(moveOn==1){
    setTimeout("auto_scroll_div('"+id+"','"+dir+"',"+delta+")",10);
//    alert(1);
 }
}