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

function do_cool1(Total,number,index){
 for (var i = 1; i <= number; i++) {
	  document.getElementById('pht' +Total+ i).className = 'pht_4';	  
      document.getElementById('phtab' +Total+ i).style.display = 'none';
 }
 
  document.getElementById('pht' + Total+ index).className = 'pht_3';
  document.getElementById('phtab' + Total+ index).style.display = 'block';
}