ie =(navigator.appName=='Microsoft Internet Explorer');
nn =(navigator.appName=='Netscape');
mac=(navigator.appVersion.indexOf('Mac')!=-1);
ver=parseInt(navigator.appVersion);

week = new Week();
function Week(){  // 曜日の配列を作る
  var i=0;
  this[i++]='日'; this[i++]='月'; this[i++]='火';
  this[i++]='水'; this[i++]='木'; this[i++]='金';
  this[i++]='土';
}

function updateDate(){
  var lm = document.lastModified;
  var lmDate;

  if(ie && ver<4){
    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);
    lmDate = new Date(Date.parse(nm));
  }
  else {
    // Linux版 NN4 では lastModified に 'JST' があると parseできない
    var pd=Date.parse(document.lastModified);
    var p;
    if(!pd && (p=document.lastModified.indexOf(' JST'))!=-1){
      pd=Date.parse(document.lastModified.substring(0,p));
    }
    lmDate = new Date(pd);
  }
  
  var y=lmDate.getFullYear?
          lmDate.getFullYear():lmDate.getYear();
  var oy=y;
  if(y< 100) y+=1900;
  if(y<1980) y+= 100;
  if(oy!=y) lmDate.setYear(y);
  if(ie && ver<5 && navigator.appVersion.indexOf('MSIE 5')==-1){
    lmDate.setTime(
      lmDate.getTime()-lmDate.getTimezoneOffset()*60*1000
      );
  }
  else if(mac && !ie && ver==4){
    var tz=lmDate.getTimezoneOffset();
    lmDate.setTime(
      lmDate.getTime()+(parseInt(tz/100)*60+tz%100)*60*1000
      );
  }
  return ''+y+'年'+(lmDate.getMonth()+1)+'月'+lmDate.getDate()+'日'
           +'('+week[lmDate.getDay()]+') '
           +lmDate.getHours()+':'+lmDate.getMinutes()+':'+lmDate.getSeconds();
}

// Beginning of JavaScript Applet -------------------
/*
*/

function scrollit_r2l(seed)
{
    var m1  = "ようこそ、株式会社システムデザインのホームページへ！";
    var m2  = "          ハードウェア導入からソフトウェア開発まで、お気軽にご相談下さいませ。";
    var msg = m1+m2;
    var out = " ";
    var c   = 1;
    var cmd;
    
    if (seed > 100) {
	seed--;
	cmd="scrollit_r2l(" + seed + ")";
	timerTwo=window.setTimeout(cmd,100);
    }
    else if (seed <= 100 && seed > 0) {
	for (c=0 ; c < seed ; c++) {
	    out+=" ";
	}
	out+=msg;
	seed--;
	cmd="scrollit_r2l(" + seed + ")";
        window.status=out;
	timerTwo=window.setTimeout(cmd,100);
    }
    else if (seed <= 0) {
	if (-seed < msg.length) {
	    out+=msg.substring(-seed,msg.length);
	    seed--;
	    cmd="scrollit_r2l(" + seed + ")";
	    window.status=out;
	    timerTwo=window.setTimeout(cmd,100);
	}
	else {
	    window.status=" ";
	    timerTwo=window.setTimeout("scrollit_r2l(100)",75);
	}
    }
}
// -- End of JavaScript code -------------- -->

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) { //v4.01
  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 && d.getElementById) x=d.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];}
}