var elem, tx, ty;

if('ontouchstart' in document.documentElement )
{
         
if (elem = document.getElementByIdx_x(arg)) {
             
elem.style.overflow = 'hidden';
             
elem.ontouchstart = ts;
             
elem.ontouchmove = tm;
         
}
  }

function ts( e )
  {
    var
tch;

if(  e.touches.length == 1 )
    {
     
e.stopPropagation();
     
tch = e.touches[ 0 ];
     
tx = tch.pageX;
     
ty = tch.pageY;
    }
  }

function tm( e )
  {
    var
tch;

if(  e.touches.length == 1 )
    {
     
e.preventDefault();
     
e.stopPropagation();
     
tch = e.touches[ 0 ];
     
this.scrollTop +=  ty - tch.pageY;
     
ty = tch.pageY;
    }
  }
}
调用的时候：noBarsOnTouchScreen（divId）;

来源：http://www.myexception.cn/web/411975.html