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];}
}

function getDateString() {
  var d = new Date();
  var wday  = new Array('日','月','火','水','木','金','土');
  var year  = d.getYear();
  var month = d.getMonth() + 1;
  var days  = d.getDate();
  var iDay  = d.getDay();
  var sDate = 'YYYY年MM月dd日 ( ddd曜日 )';
  if ( month  < 10 ) { month  = "0" + month; }
  if ( days < 10 ) { days = "0" + days; }
  sDate = sDate.replace('YYYY', year);
  sDate = sDate.replace('MM', month);
  sDate = sDate.replace('dd', days);
  sDate = sDate.replace('ddd', wday[iDay]);
  return sDate;
}

function getDateCalc(offset) {
  var d = new Date();
  d.setTime(d.getTime() + (1000*60*60*24*offset));
  var year    = d.getYear();
  var month   = d.getMonth() + 1;
  var days    = d.getDate();
  var sDate = 'YYYY年MM月dd日 まで';
  if ( month  < 10 ) { month  = "0" + month; }
  if ( days < 10 ) { days = "0" + days; }
  sDate = sDate.replace('YYYY', year);
  sDate = sDate.replace('MM', month);
  sDate = sDate.replace('dd', days);
  return sDate;
}

function checkMailAddr(adderString) {
  var res = adderString.match(/^\S+@\S+\.ne\.jp$|^\S+@\S+\.co\.jp$|^\S+@\S+\.net$|^\S+@\S+\.jp$/);
  if (!res) { return false; }
  return true;
}

function checkFileType(fname) {
  var res = fname.match(/\.rar$|\.zip$|\.lzh$|\.tar$|\.gzip$|\.z$|\.iso$|\.exe$/i);
  if (!res) { return false; }
  return true;
}

function winopen_Resize(url, win_name, win_width, win_height) {
  window.open(url,win_name,"toolbar=no,menubar=no,status=no,location=no,scrollbars=yes,directories=no,resizable=yes,width=" + win_width + ",height=" + win_height );
}

function winopen_Noresize(url, win_name, win_width, win_height) {
  window.open(url,win_name,"toolbar=no,menubar=no,status=no,location=no,scrollbars=yes,directories=no,resizable=no,width=" + win_width + ",height=" + win_height );
}