str0  = "";
str0 += "cookie1の内容 → "+get_cook('cookie1')+"<br>\n";
str0 += "cookie2の内容 → "+get_cook('cookie2')+"<br>\n";
document.write(str0);

function get_cook(coknam) {
  coktxt = document.cookie+";";
  stano = coktxt.indexOf(coknam);
  if (stano != -1){
    endno = coktxt.indexOf(";",stano);
    txt0 = unescape(coktxt.substring(stano+coknam.length+1,endno));
  }else{
    txt0 = "";
  }
  return txt0;
}

function sav_cook(coknam) {
  txt0 = document.frm1['txt1'].value;
  day0 = new Date();
  day0.setTime(day0.getTime()+60*60*24*1000);
  endday = day0.toGMTString();
  document.cookie = coknam+"="+escape(txt0)+";expires="+endday;
}