function do_cool1(Total,number,index){
 for (var i = 1; i <= number; i++) {
	  document.getElementById('phtb' +Total+ i).className = 'pht_2';	  
      document.getElementById('phtab' +Total+ i).style.display = 'none';
 }
 
  document.getElementById('phtb' + Total+ index).className = 'pht_1';
  document.getElementById('phtab' + Total+ index).style.display = 'block';
}

function do_cool2(Total,number,index){
 for (var i = 1; i <= number; i++) {
	  document.getElementById('ttb' +Total+ i).className = 'tht_2';	  
      document.getElementById('ttab' +Total+ i).style.display = 'none';
 }
 
  document.getElementById('ttb' + Total+ index).className = 'tht_1';
  document.getElementById('ttab' + Total+ index).style.display = 'block';
}