/* ============================================================================
 ロールオーバー処理 rollover.js Ver1.0
============================================================================ */
fname_rollover = new Array(); offimg_rollover = new Array();  
onimg_rollover = new Array();
//=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

fname_rollover[0] = "ro0";
offimg_rollover[0] = "image/menu_news.gif";
onimg_rollover[0] = "image/menu_news_f2.gif";

fname_rollover[1] = "ro1";
offimg_rollover[1] = "image/menu_flicker.gif";
onimg_rollover[1] = "image/menu_flicker_f2.gif";

fname_rollover[2] = "ro2";
offimg_rollover[2] = "image/menu_sagaraxx.jpg";
onimg_rollover[2] = "image/menu_sagaraxx_f2.jpg";

fname_rollover[3] = "ro3";
offimg_rollover[3] = "image/menu_kubo-z.jpg";
onimg_rollover[3] = "image/menu_kubo-z_f2.jpg";

fname_rollover[4] = "ro4";
offimg_rollover[4] = "image/menu_sakai.jpg";
onimg_rollover[4]= "image/menu_sakai_f2.jpg";

fname_rollover[5] = "ro5";
offimg_rollover[5] = "image/menu_chun.jpg";
onimg_rollover[5] = "image/menu_chun_f2.jpg";

fname_rollover[6] = "ro6";
offimg_rollover[6] = "image/menu_release.gif";
onimg_rollover[6] = "image/menu_release_f2.gif";

fname_rollover[7] = "ro7";
offimg_rollover[7] = "image/menu_chart.gif";
onimg_rollover[7] = "image/menu_chart_f2.gif";

fname_rollover[8] = "ro8";
offimg_rollover[8] = "image/menu_blog.gif";
onimg_rollover[8] = "image/menu_blog_f2.gif";

fname_rollover[9] = "ro9";
offimg_rollover[9] = "image/menu_guestbook.gif";
onimg_rollover[9] = "image/menu_guestbook_f2.gif";

fname_rollover[10] = "ro10";
offimg_rollover[10] = "image/menu_link.gif";
onimg_rollover[10] = "image/menu_link_f2.gif";

fname_rollover[11] = "ro11";
offimg_rollover[11] = "image/menu_booking.gif";
onimg_rollover[11] = "image/menu_booking_f2.gif";
//=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

//-------------------------------------------------------------------
// グローバル変数
//-------------------------------------------------------------------
var brwsName_rollover;	// ブラウザ種類

//-------------------------------------------------------------------
// ブラウザチェッカ  browserChecker_ROLLOVER()
// 引数：なし
// 戻り値：なし
//-------------------------------------------------------------------
function browserChecker_ROLLOVER()
{
  brwsName_rollover = ""; // ブラウザ名

  if ( document.all){
       brwsName_rollover = "IE";	// IE4/5/6
       return;
  }
  if (document.layers){
       brwsName_rollover = "Netscape"; // ネスケ4
       return;
  }
  if (document.getElementById){
       brwsName_rollover = "Mozilla"; // ネスケ6
       return;
  }
}

//-------------------------------------------------------------------
// 添え字引当て  getindex_ROLLOVER()
// 引数：funcname…機能名。bbs present 等  
// 戻り値：引き当てた添え字
//-------------------------------------------------------------------
function getindex_ROLLOVER(funcname)
{
  var index = 0;	// 添え字初期値

  while(1){
	if ( index >= fname_rollover.length ){
	     index = 0;
	     break;
	}
	if ( fname_rollover[index] == funcname ){
             break;
	}
	index++;
  }
  
  return index;
}

//-------------------------------------------------------------------
// ロールアップ処理  kickProc_ROLLOVER()
// 引数：funcname…機能名。bbs present 等  
//       mouseonoff…マウスのONOFF。0=OFF 1=ON
// 戻り値：なし
//-------------------------------------------------------------------
function kickProc_ROLLOVER(funcname, mouseonoff)
{
  //===== ブラウザチェッカ
  browserChecker_ROLLOVER();	
  if ( brwsName_rollover == "" ){
       return;	// ブラウザがネスケでもIEでもない
  }

  //===== 添え字引当て
  var index = getindex_ROLLOVER(funcname);

  //===== 画像書き換え
  chgimg_rollover = new Image();
  if ( mouseonoff == 0 ){	
       chgimg_rollover.src = offimg_rollover[index];  // MouseOff
  }else{
       chgimg_rollover.src = onimg_rollover[index];   // MouseOn
  }
  document.images[funcname].src = chgimg_rollover.src;

  return;
}