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];}
}




//add 2008/8/18
var btn=new Array();
var ret_btn=new Array();

function preloadImg() {

	btn["toppage"]=new Image();btn["toppage"].src="../common/images/system/btn_toppage_on.gif";
	btn["back"]=new Image();btn["back"].src="../common/images/system/btn_back_on.gif";
	btn["next"]=new Image();btn["next"].src="../common/images/system/btn_next_on.gif";
	btn["henkou"]=new Image();btn["henkou"].src="../common/images/system/btn_henkou_on.gif";
	btn["henkou1"]=new Image();btn["henkou1"].src="../common/images/system/btn_henkou1_on.gif";
	btn["henkou2"]=new Image();btn["henkou2"].src="../common/images/system/btn_henkou2_on.gif";
	btn["syaryou1"]=new Image();btn["syaryou1"].src="../common/images/system/btn_syaryou_on.gif";
	btn["syaryou2"]=new Image();btn["syaryou2"].src="../common/images/system/btn_syaryou_on.gif";
	btn["kakutei"]=new Image();btn["kakutei"].src="../common/images/system/btn_kakutei_on.gif";
	btn["address"]=new Image();btn["address"].src="../common/images/system/btn_address_on.gif";
	btn["kakunin"]=new Image();btn["kakunin"].src="../common/images/system/btn_kakunin_on.gif";
	btn["kensaku"]=new Image();btn["kensaku"].src="../common/images/system/btn_kensaku_on.gif";
	btn["kaijo1"]=new Image();btn["kaijo1"].src="../common/images/system/btn_kaijo_on.gif";
	btn["kaijo2"]=new Image();btn["kaijo2"].src="../common/images/system/btn_kaijo_on.gif";
	btn["logout"]=new Image();btn["logout"].src="../common/images/system/btn_logout_on.gif";
	btn["cancel"]=new Image();btn["cancel"].src="../common/images/system/btn_cancel_on.gif";
	btn["logouttop"]=new Image();btn["logouttop"].src="../common/images/system/btn_logouttop_on.gif";
	btn["sansyou"]=new Image();btn["sansyou"].src="../common/images/system/btn_sansyou_on.gif";
	btn["login"]=new Image();btn["login"].src="../common/images/system/btn_login_on.gif";
	btn["mail"]=new Image();btn["mail"].src="../common/images/system/btn_mail_on.gif";

	//add 2008/9/12
	ret_btn["toppage"]=new Image();ret_btn["toppage"].src="../common/images/system/btn_toppage.gif";
	ret_btn["back"]=new Image();ret_btn["back"].src="../common/images/system/btn_back.gif";
	ret_btn["next"]=new Image();ret_btn["next"].src="../common/images/system/btn_next.gif";
	ret_btn["henkou"]=new Image();ret_btn["henkou"].src="../common/images/system/btn_henkou.gif";
	ret_btn["henkou1"]=new Image();ret_btn["henkou1"].src="../common/images/system/btn_henkou1.gif";
	ret_btn["henkou2"]=new Image();ret_btn["henkou2"].src="../common/images/system/btn_henkou2.gif";
	ret_btn["syaryou1"]=new Image();ret_btn["syaryou1"].src="../common/images/system/btn_syaryou.gif";
	ret_btn["syaryou2"]=new Image();ret_btn["syaryou2"].src="../common/images/system/btn_syaryou.gif";
	ret_btn["kakutei"]=new Image();ret_btn["kakutei"].src="../common/images/system/btn_kakutei.gif";
	ret_btn["address"]=new Image();ret_btn["address"].src="../common/images/system/btn_address.gif";
	ret_btn["kakunin"]=new Image();ret_btn["kakunin"].src="../common/images/system/btn_kakunin.gif";
	ret_btn["kensaku"]=new Image();ret_btn["kensaku"].src="../common/images/system/btn_kensaku.gif";
	ret_btn["kaijo1"]=new Image();ret_btn["kaijo1"].src="../common/images/system/btn_kaijo.gif";
	ret_btn["kaijo2"]=new Image();ret_btn["kaijo2"].src="../common/images/system/btn_kaijo.gif";
	ret_btn["logout"]=new Image();ret_btn["logout"].src="../common/images/system/btn_logout.gif";
	ret_btn["cancel"]=new Image();ret_btn["cancel"].src="../common/images/system/btn_cancel.gif";
	ret_btn["logouttop"]=new Image();ret_btn["logouttop"].src="../common/images/system/btn_logouttop.gif";
	ret_btn["sansyou"]=new Image();ret_btn["sansyou"].src="../common/images/system/btn_sansyou.gif";
	ret_btn["login"]=new Image();ret_btn["login"].src="../common/images/system/btn_login.gif";
	ret_btn["mail"]=new Image();ret_btn["mail"].src="../common/images/system/btn_mail.gif";
}


function swapImg(id){
	for (i in btn){
		if(i==id){
			//commentout 2008/9/12
			//ret_btn.src=document.getElementById(i).src;
			document.getElementById(i).src=btn[i].src;
		}
	}
}

function retImg(id) {
	for (i in btn){
		if(i==id){
			//change 2008/9/12
			//document.getElementById(i).src=ret_btn.src;
			document.getElementById(i).src=ret_btn[i].src;
		}
	}
}