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 MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function defaultDateSet(){
	var date = new Date(); // 今日の日付取得
//	// 7日進める
	date = new Date(date.getTime()+7*24*60*60*1000);
	theyear = date.getYear();
	if (theyear < 2000) theyear += 1900;
	themonth = date.getMonth()+1;theday=date.getDate();
	document.checkin.year.options[0]= new Option(theyear,theyear);
	document.checkin.year.options[1]= new Option(theyear+1,theyear+1);
	document.checkin.year.options[0] .selected = true;
	//month
	document.checkin.month.options[themonth-1] .selected = true;
	dayListSet(theyear,themonth);
	document.checkin.day.options[theday-1] .selected = true;
}

function yearOnChange(y,m){
	if(m == 2)  dayListSet(y,m);
}

function dayListSet(y,m){
	var dayArray = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
	var endDay = dayArray[m-1];
	if(m==2){
		if( y%400 ==0) endDay = endDay+1;
		else if( y%4 ==0 && y%100 !=0) endDay = endDay+1;
	}
	for(i=0; i<31; i++){
		if(i +1 <= endDay) document.checkin.day.options[i] = new Option(i+1,i+1);
		else document.checkin.day.options[i] = new Option();
	}
}