function chgon(src){
  if (document.all){
      document.all[src].style.background='#FFCC66';
  }else if (document.getElementById) {
      document.getElementById(src).style.background='#FFCC66';
    }
    }
    
    function chgout(src){
  if (document.all){
      document.all[src].style.background='#fafafa';
  }else if (document.getElementById) {
      document.getElementById(src).style.background='#fafafa';
    }
    }

        function chgon2(src){
  if (document.all){
      document.all[src].style.background='#66c266';
  }else if (document.getElementById) {
      document.getElementById(src).style.background='#66c266';
    }
    }
    

    function chgout2(src){
  if (document.all){
      document.all[src].style.background='#c1e0a3';
  }else if (document.getElementById) {
      document.getElementById(src).style.background='#c1e0a3';
    }
    }

    function chgon3(src){
  if (document.all){
      document.all[src].style.background='#FCDF9C';
  }else if (document.getElementById) {
      document.getElementById(src).style.background='#FCDF9C';
    }
    }
    
    function chgout3(src){
  if (document.all){
      document.all[src].style.background='#FFFF99';
  }else if (document.getElementById) {
      document.getElementById(src).style.background='#FFFF99';
    }
    }

        function chgon4(src){
  if (document.all){
      document.all[src].style.background='#FCDF9C';
  }else if (document.getElementById) {
      document.getElementById(src).style.background='#FCDF9C';
    }
    }
    

    function chgout4(src){
  if (document.all){
      document.all[src].style.background='#FFFF99';
  }else if (document.getElementById) {
      document.getElementById(src).style.background='#FFFF99';
    }
    }