jsver=1.0;
ie=(navigator.appName=='Microsoft Internet Explorer')
week = new Week();
function Week(){
  var i=0;
  this[i]='sun.';i++; this[i]='mon.';i++;
  this[i]='tue.';i++; this[i]='wed.';i++;
  this[i]='thu.';i++; this[i]='fri.';i++;
  this[i]='sat.';i++; this.length=i;
}
function setLastModifiedTime(to){
  var pd;
  var lm=document.lastModified;
  if(ie && jsver==1.0){
    var i,j,nm;
    i=lm.indexOf(' ',0); j=lm.indexOf(' ',i+1);
    nm ='' +lm.substring(i+1,j);
    i=lm.indexOf(' ',j); j=lm.indexOf(' ',i+1);
    nm+='/'+lm.substring(i+1,j);
    i=lm.indexOf(' ',j); j=lm.indexOf(' ',i+1);
    nm+='/'+lm.substring(j+1,lm.length)
       +' '+lm.substring(i+1,j);
    pd=Date.parse(nm);
  } else {
    pd=Date.parse(lm);
    var p;
    if(!pd && (p=lm.indexOf(' JST'))!=-1)
      pd=Date.parse(lm.substring(0,p));
  }
  return to.setTime(pd);
}
function getFullYear(d){
  var y=d.getFullYear?d.getFullYear():d.getYear();
  var oy=y;
  if(y< 100) y+=1900;
  if(y<1980) y+=100;

  if(oy!=y) d.setYear(y);
  return y;
}
function updateDate(){
  ImDate = new Date();
  setLastModifiedTime(ImDate);
  return getFullYear(ImDate)+'.'
         +(ImDate.getMonth()+1)+'.'
         +ImDate.getDate()
         +'.('+week[ImDate.getDay()]+')';
}