function upload_block()
{var upload_submit=$('upload_submit');upload_submit.style.display='none';var upload_message=$('upload_message');upload_message.style.display='block';var step_1=$('step_1');var step_2=$('step_2');step_1_xy=system.get_object_position(step_1);var ub=$('block_upload');ub.style.top=step_1_xy.y+'px';ub.style.left=step_1_xy.x+'px';ub.style.width=step_1.offsetWidth+'px';ub.style.height=(step_1.offsetHeight+step_2.offsetHeight)+'px';ub.style.filter='alpha(opacity=90)';ub.style.display='block';}