function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

var m1 = "夜も更けましたね…"
var m2 = "もうすぐ夜が明けますね。"
var m3 = "おはようございます。"
var m4 = "こんにちは。"
var m5 = "そろそろ日が暮れますね。"
var m6 = "今日も一日お疲れさまでした。"
var m7 = "夜も更けてきましたね。"

function timeMsg(){
day = new Date();
hour = day.getHours();
if (hour <= 3) { document.write(m1) }
else
if (hour <= 5) { document.write(m2) }
else
if (hour <= 10) { document.write(m3) }
else
if (hour <= 14) { document.write(m4) }
else
if (hour <= 17) { document.write(m5) }
else
if (hour <= 21) { document.write(m6) }
else
if (hour <= 23) { document.write(m7) }
}