//root_dir = '../img/common/';

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 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_swapImageGL() { //v3.0
  var i,j=0,x,a=MM_swapImageGL.arguments; document.MM_srGL=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_srGL[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function MM_swapImgRestoreGL() { //v3.0
  var i,x,a=document.MM_srGL; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}



var timerID;

//Žg—p‚·‚éid
var sm = new Array;
sm[0] = "subgaiyou";
sm[1] = "subjigyo";
sm[2] = "subsanka";
sm[3] = "subjoho";



function submenuShow(n){
	for(i=0; i<sm.length; i++){
		submenuHide(sm[i],0);
	}

	clearTimeout(timerID);
	if(document.all){
		document.all(n).style.visibility='visible';
	}else if(document.getElementById){
		document.getElementById(n).style.visibility='visible';
	}
}




function submenuHide(n,x){
	if(document.all){
		document.all(n).style.visibility='hidden';
	}else if(document.getElementById){
		document.getElementById(n).style.visibility='hidden';
	}
	if(x){
		MM_swapImgRestoreGL();
	}
}


function timerHide(n){
	clearTimeout(timerID);
	timerID = setTimeout("submenuHide('"+n+"',1)", 500);
}

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];}}
}