// JavaScript Document
function do_cool(Total,number,index){
 for (var i = 1; i <= number; i++) {
      document.getElementById('pht' +Total+ i).className = 'ph_a'+i;
      document.getElementById('phtab' +Total+ i).style.display = 'none';
 }
  document.getElementById('pht' + Total+ index).className = 'ph_b'+index;
  document.getElementById('phtab' + Total+ index).style.display = 'block';
}

function do_coolnet(Total,number,index){
 for (var i = 1; i <= number; i++) {
      document.getElementById('pht' +Total+ i).className = 'ph_t2';
      document.getElementById('phtab' +Total+ i).style.display = 'none';
 }
  document.getElementById('pht' + Total+ index).className = 'ph_t1';
  document.getElementById('phtab' + Total+ index).style.display = 'block';
}