window.onload= function() {
	// グローバルメニュー
	swapImage( 'gTop', './common/img/gTop_over.gif', './common/img/gTop_out.gif' );
	swapImage( 'gHome', './common/img/gHome_over.gif', './common/img/gHome_out.gif' );
	swapImage( 'gStage', './common/img/gStage_over.gif', './common/img/gStage_out.gif' );
	swapImage( 'gVideo', './common/img/gVideo_over.gif', './common/img/gVideo_out.gif' );
	swapImage( 'gPet', './common/img/gPet_over.gif', './common/img/gPet_out.gif' );
	swapImage( 'gContact', './common/img/gContact_over.gif', './common/img/gContact_out.gif' );
	// コンテンツメニュー
	swapImage( 'sFaq', './common/img/sFaq_over.gif', './common/img/sFaq_out.gif' );
	swapImage( 'sHowto', './common/img/sHowto_over.gif', './common/img/sHowto_out.gif' );
	// アンカーボタン
	swapImage( 'goFaq', './common/img/goFaq_over.gif', './common/img/goFaq_out.gif' );
	swapImage( 'goHowto', './common/img/goHowto_over.gif', './common/img/goHowto_out.gif' );
	preload( );
}