/* MM_openBrWindow
----------------------------------------------- */

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


/* MM_swapImage
----------------------------------------------- */

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_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_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];}
}


/* auto swap
----------------------------------------------- */

//auto swapの自動設定
function setAutoSwap(){
	ie = document.all ? true : false;
	var t=document.getElementsByTagName("a") , a=new Array;
	for(var i=0 ; i<t.length ; i++){
		if(t[i].className=="swapImage" && t[i].firstChild.nodeName=="IMG"){
			t[i].onmouseover = t[i].onmouseout = autoSwap;
			a[i] = t[i].firstChild.src
		}
	}
	if(document.images) preloadImages(a)
}

//イメージのプリロード
function preloadImages(ia){
	var preloader = new Array()
	for(i=0 ; i<ia.length ; i++){
		preloader[i] = new Image();
		preloader[i].src = ia[i];
	}
}

//スワップイメージの動作
function autoSwap(e){
	eo = (ie)?event.srcElement:e.target;
	var idx		= eo.src.lastIndexOf("."),
		path	= eo.src.substr(0,idx),
		file	= eo.src.substr(idx),
		check	= path.lastIndexOf("_ov");
	eo.src = check==-1 ? path + "_ov" + file : path.substr(0,check) + file
}


/* onload
----------------------------------------------- */

window.onload = function(){
	if (document.getElementById) {
		setAutoSwap();
	}
}