function showHide(inID) {
     if (document.getElementById(inID).style.display == 'none' || document.getElementById(inID).style.display.length == 0) {
          document.getElementById(inID).style.display = 'block';
     } else {
          document.getElementById(inID).style.display = 'none';
     }
}
function change_bgr(which_DIV){
     if (document.getElementById(which_DIV).className == 'none' || document.getElementById(which_DIV).className.length == 0) {
          document.getElementById(which_DIV).className='lid';
     } else {
          document.getElementById(which_DIV).className = '';
     }
}