// 振り分け
var IE4 = false;	// Internet Explorer 4,5,6
var NN4 = false;	// Netscape 4
var NN6 = false;	// Netscape 6,7
var OP6 = false;	// Opera 6,7

// 特有のオブジェクトを取得してバージョン確認
objOp6 = (navigator.userAgent.indexOf("Opera",0) != -1)?1:0;
objIEorNn6 = document.getElementById;
objIE4 = document.all;
objNn4 = document.layers;

if( 	 objOp6		){	OP6 = true;	}
else if( objIE4		){	IE4 = true;	}
else if( objIEorNn6	){	NN6 = true;	}
else if( objNn4		){	NN4 = true;	}

// イメージボタン
var IBTN = false;
var imgbtnOn; imgbtnOn = new Array;
var imgbtnOff; imgbtnOff = new Array;

if(IE4 || NN6 || OP6 || NN4){ IBTN = true; }


function btnOver(sName, num){
	if (IBTN == true){
		document.images[sName + num].src = imgbtnOn[sName].src;
	}
}
function btnOut(sName, num){
	if (IBTN == true){
		document.images[sName + num].src = imgbtnOff[sName].src;
	}
}

function LoadImgBtn(sName, sPath, sOn, sOff, sEnd){
	imgbtnOn[sName] = new Array;
	imgbtnOff[sName] = new Array;
	imgbtnOn[sName] = new Image;
	imgbtnOff[sName] = new Image;
	imgbtnOn[sName].src = sPath + sOn + sEnd;
	imgbtnOff[sName].src = sPath + sOff + sEnd;
}

// 画像変更用前処理
if (IBTN == true){
 LoadImgBtn("Nav1", "/images/menu/1_", "on", "off", ".gif" );
	LoadImgBtn("Nav2", "/images/menu/2_", "on", "off", ".gif" );
	LoadImgBtn("Nav3", "/images/menu/3_", "on", "off", ".gif" );
	LoadImgBtn("Nav4", "/images/menu/4_", "on", "off", ".gif" );
 LoadImgBtn("Nav5", "/images/menu/5_", "on", "off", ".gif" );
	LoadImgBtn("Nav6", "/images/menu/6_", "on", "off", ".gif" );
	LoadImgBtn("Nav7", "/images/menu/7_", "on", "off", ".gif" );
	LoadImgBtn("Nav8", "/images/menu/8_", "on", "off", ".gif" );
	LoadImgBtn("Nav9", "/images/menu/9_", "on", "off", ".gif" );
	LoadImgBtn("Nav10", "/images/menu/10_", "on", "off", ".gif" );
	LoadImgBtn("Nav11", "/images/menu/11_", "on", "off", ".gif" );
	LoadImgBtn("Nav12", "/images/menu/12_", "on", "off", ".gif" );
	LoadImgBtn("Nav13", "/images/menu/13_", "on", "off", ".gif" );
	LoadImgBtn("Nav14", "/images/menu/14_", "on", "off", ".gif" );
	LoadImgBtn("Nav15", "/images/menu/15_", "on", "off", ".gif" );
	LoadImgBtn("Nav16", "/images/menu/16_", "on", "off", ".gif" );
	LoadImgBtn("Nav17", "/images/menu/17_", "on", "off", ".gif" );
	LoadImgBtn("Nav18", "/images/menu/18_", "on", "off", ".gif" );
	LoadImgBtn("Nav21", "/images/top/1_", "on", "off", ".gif" );	
	LoadImgBtn("Nav22", "/images/top/2_", "on", "off", ".gif" );	
	LoadImgBtn("Nav23", "/images/top/3_", "on", "off", ".gif" );	
	LoadImgBtn("Nav24", "/images/top/4_", "on", "off", ".gif" );	
	LoadImgBtn("Nav25", "/images/top/5_", "on", "off", ".gif" );	
	LoadImgBtn("Nav26", "/images/top/6_", "on", "off", ".gif" );	
	LoadImgBtn("Nav27", "/images/top/7_", "on", "off", ".gif" );	
	LoadImgBtn("Nav28", "/images/top/8_", "on", "off", ".gif" );	
	LoadImgBtn("Nav29", "/images/top/9_", "on", "off", ".gif" );	
}

// 指定したURLにジャンプ
function _HpbJumpURL(url) 
{
  if (url != '')
  {
    window.location = url;
  }
}