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 otoi(my_url)
{window.open(my_url,"","width=530,height=480,scrollbars=no");}
function gallery(my_url)
{window.open(my_url,"","width=400,height=400,scrollbars=no");}

//ページトップへスクロール
function pagetop () {
	var y = document.documentElement.scrollTop?document.documentElement.scrollTop:window.pageYOffset?window.pageYOffset:document.body.scrollTop?document.body.scrollTop:0;
	//if(!y)location.hash = "top";
	var sy = y-(y*0.2+1);
	if( 1 < y ){
		window.scrollTo(0,sy);
		timerID = setTimeout("pagetop()",40);
	}else{
		if( 0 == y ){
		}else{
		window.scrollTo(0,0);
		clearTimeout(timerID);
		}
	}
}


//function popup
function jump(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
  
//クローズ
function WinCls(){
        window.close()
}

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

//show hide menu layers
function ro_on(layer) {
	document.getElementById(layer).style.visibility="visible";
}
function ro_off(layer) {
	document.getElementById(layer).style.visibility="hidden";
}