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];}
}
function pageTopScroll() {
var scrj = 1;
var scdist = document.body.parentNode.scrollTop;
if(scrj<50 && scdist) {
scdist = (scdist>2) ? Math.ceil(scdist*.2) : 1;
scrj++;
scrollBy(0,-scdist);
setTimeout("pageTopScroll()",20);
} else {
scrollTo(0,0);
scrj = 1;
}
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
window.open(theURL,winName,features);
}
function chkcomment(){
if(document.commentform.author.value==""){
alert("お名前を入力してください");
document.commentform.author.focus();
return(false);
}	

if(document.commentform.email.value==""){
	alert("Ｅメールアドレスを入力してください");
	document.commentform.email.focus();
	return(false);
  }else{
		if(isMailAddr(document.commentform.email.value) == false){
			alert("Ｅメールアドレスが正しくありません\nもう一度ご確認ください");
			document.commentform.email.focus();
			return(false);
		}
  }
if(document.commentform.comment.value==""){
alert("コメントを入力してください");
document.commentform.comment.focus();
return(false);

}


    function chkNumber(str){
		okStr='0123456789-';
		err = 0;
		for(i=0;i<str.length;i++){
			if(okStr.indexOf(str.charAt(i)) == -1) err++;
		}
		if(err != 0) return(false);
		else return(true);
	}
	function isMailAddr( str ){
		if(str.search(/[A-Za-z0-9_-]+@[A-Za-z0-9_-]+./)==-1){
			return(false);
		}
		return(true);
	}
	return(true);
	
}


function selectUrl(sel){
    if(sel.options[sel.selectedIndex].value){
        location.href = sel.options[sel.selectedIndex].value;
    }
}
 
function addSelectForMonthly(data){
    var year = data.substring(0,4);
    var month = data.substring(12,14);
    var nodes = document.getElementById('monthlylist').getElementsByTagName("option");
    for (var i = 0; i < nodes.length; i++) {
        var selectYear = nodes[i].innerHTML.substring(0,4);
        var selectMonth = nodes[i].innerHTML.substring(5,7);
        if(year == selectYear && month == selectMonth){
            nodes[i].selected = true;
        }
    }
}
 
function addSelectForCategory(data){
    var nodes = document.getElementById('categorylist').getElementsByTagName("option");
    for (var i = 0; i < nodes.length; i++) {
        if(nodes[i].innerHTML.indexOf(data) == 0){
            nodes[i].selected = true;
        }
    }
}