txt_hide('p_clean');
txt_hide('p_process');
txt_hide('p_keep');
txt_hide('p_purwaterjet');
txt_hide('p_mining');

function txt_hide(tagnam1){
  document.getElementById(tagnam1).style.display='none';
}
function txt_flip(tagnam1){
  if (document.getElementById(tagnam1).style.display == '') {
    document.getElementById(tagnam1).style.display='none';
  } else {
//Áî€Ëá¡ãj¥å¡¼¤ê·å3¢áI£õ5Áàµà¡¦¡¦Çà¡íéë­â¡¦Ý⡦¹Ô¤ê¶é/×⡦Ãࡦ½à¡¦¡¦B
/*
txt_hide('p_filter');
txt_hide('p_waterjet');
txt_hide('p_pump');
*/
    document.getElementById(tagnam1).style.display='';
  }
}