function lmd()
{
	// 曜日
	var wdays = new Array('日', '月', '火', '水', '木', '金', '土');

	var lstmod = new Date(document.lastModified);
	var year = lstmod.getFullYear();	// 年
	var mon  = lstmod.getMonth() + 1;	// 月
	var day  = lstmod.getDate();		// 日
	var wday = wdays[lstmod.getDay()];	// 曜日
	var hour = lstmod.getHours();		// 時
	var min  = lstmod.getMinutes();		// 分

	if(mon < 10) { mon = "0" + mon; } 
	
	return year + '-' + mon + '-' + day;
}

function backToTop() {
    var x1 = x2 = x3 = 0;
    var y1 = y2 = y3 = 0;

    if (document.documentElement) {
        x1 = document.documentElement.scrollLeft || 0;
        y1 = document.documentElement.scrollTop || 0;
    }

    if (document.body) {
        x2 = document.body.scrollLeft || 0;
        y2 = document.body.scrollTop || 0;
    }

    x3 = window.scrollX || 0;
    y3 = window.scrollY || 0;

    var x = Math.max(x1, Math.max(x2, x3));
    var y = Math.max(y1, Math.max(y2, y3));

    window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));

    if (x > 0 || y > 0) {
        window.setTimeout("backToTop()", 25);
    }
}


function SmoothScroll(targetID){
  if( !document.getElementById ) {return true;}
  var step=10;
  var max=400;
  var accel=4;
  var interval=30;
  var current_y = document.body.scrollTop  || document.documentElement.scrollTop;
  var element=document.getElementById(targetID);
  if (!element){return true;}
  var target_y = 0;
  for (i = element;i.offsetParent;i=i.offsetParent ){
    target_y += i.offsetTop;
  }
  var count=0;
  if ( current_y > target_y ){ step = -(step); accel = -(accel);}
  var timerid = setInterval( function(){
    if (step<max) step += (count*accel);
    if ( Math.abs(current_y-target_y) < Math.abs(step) ){
      window.scrollTo((document.body.scrollTop  || document.documentElement.scrollTop),target_y);
      clearInterval(timerid);
      return false;
    }else{
      window.scrollBy(0,step);
      current_y += step;
      count++;
    }
  },interval);
  return false;
}
<!--
var Default = 2;
var tags    = new Array('div','td','tr');
var sizing  = new Array('xx-small','x-small','small','medium','large','x-large','xx-large');

function FontChange(target,tarF) {
  if (!document.getElementById) return
  var dore = document,tarS = null,fontSize = Default,value,su,cTags;fontSize += tarF;
  if (fontSize < 0) fontSize = 0;
  if (fontSize > 6) fontSize = 6;
  Default = fontSize;
  if (!(tarS = dore.getElementById(target))) tarS = dore.getElementsByTagName(target)[0];
  tarS.style.fontSize = sizing[fontSize];
  for (value = 0 ; value < tags.length ; value++) {
    cTags = tarS.getElementsByTagName(tags[value]);
    for (su = 0 ; su < cTags.length ; su++) cTags[su].style.fontSize = sizing[fontSize];
  }
}
//-->