//JavaScript Document

// メニューの初期化
function initMenu(menuID,menuID2) {
	menuClick(menuID);
	menuClick(menuID2,1);
}

// メニューをクリックした時の処理
function menuClick(menuID,toggle) {
	toggleMenu(menuID,"_0.gif","_o.gif",toggle);
/*	
	トグル+ウィンドウ閉じる機能
	if (document.nowID == menuID) {
		toggleMenu(menuID,"_0.gif","_o.gif",toggle);
		document.nowID = "";
	} else {
		toggleMenu(document.nowID,"_0.gif",".gif",toggle);
		toggleMenu(menuID,"_0.gif","_o.gif",toggle);
		document.nowID = menuID;
	}
*/
}

// ウィンドウの開閉
function toggleMenu(menuID,arg1,arg2,toggle) {

	var menu = document.getElementById("j"+menuID);
	if (menu == null) {
		return;
	}
	
	if (menu._toggle) {
		menu._toggle = false;
		menu.style.display = "none";
		menu.style.position = "static";
	} else {
		menu._toggle = true;
		menu.style.display = "block";
		menu.style.position = "absolute";
	}

	if (toggle != 1) {
		toggleImage(menuID,arg1,arg2);
	}
}

// メニューのイメージをトグルさせる
function toggleImage(menuID,arg1,arg2) {
	var image = document.getElementById(menuID);
	var menu = document.getElementById("j"+menuID);
	
	if (menu._toggle) {
		image.src = "img/"+menuID+arg1;
	} else {
		image.src = "img/"+menuID+arg2;
	}
}

// ロールオーバーしたときの動作
function overImage(menuID) {
//	toggleImage(menuID,"_0.gif","_o.gif");
	toggleMenu(menuID,"_0.gif","_o.gif");
}

// ロールアウトしたときの動作
function outImage(menuID) {
//	toggleImage(menuID,"_0.gif",".gif");
	toggleMenu(menuID,"_0.gif",".gif");
}

function overImage2 (id, extention) {
	var image     = document.getElementById(id);
	var extention = extention || 'gif';
	var before    = id + '.' + extention;
	var after     = id + '_0.' + extention;

	image.src = image.src.replace(before, after);
}

function outImage2 (id, extention) {
	var image     = document.getElementById(id);
	var extention = extention || 'gif';
	var before    = id + '_0.' + extention;
	var after     = id + '.' + extention;

	image.src = image.src.replace(before, after);
}

function overBGImage (element, pattern) {
	element.style.backgroundImage = 'url(img/' + pattern + '_0.gif)';
}

function outBGImage (element, pattern) {
	element.style.backgroundImage = 'url(img/' + pattern + '.gif)';
}

//SWAP IMAGE

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];}
}


//OPEN WINDOW

function MM_openBrWindow(theURL,winName,features) { //v2.0
 newwin1 = window.open(theURL,winName,features);
 newwin1.focus();
}

// PAGE TOP //
var scrj = 1;
function pageTop() {
   if(navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat") {
      var scdist = document.body.parentNode.scrollTop;
   } else {
      var scdist = document.body.scrollTop;
   }
   if(scrj<50 && scdist) {
      scdist = (scdist>2) ? Math.ceil(scdist*.2) : 1;
      scrj++;
      scrollBy(0,-scdist);
      setTimeout("pageTop()",20);
   } else {
      scrollTo(0,0);
      scrj = 1;
   }
}