function swapImageRollOver( objectTarget, flagRollOver )
{
	var imageTarget = objectTarget.src;
	if( eval( flagRollOver ) )
	{
		objectTarget.src = imageTarget.replace( 'Default', 'RollOver' );
	}
	else
	{
		objectTarget.src = imageTarget.replace( 'RollOver', 'Default' );
	}
}
// 透明度を設定する
function cheltenhamOpacity_setObjectOpacity( nameObject, valueOpacity )
{
	cheltenhamOpacity_setObjectOpacityByObject( document.getElementById( nameObject ), valueOpacity );
}
function cheltenhamOpacity_setObjectOpacityByObject( objectTarget, valueOpacity )
{
	if( valueOpacity > 1 )
	{
		valueOpacity *= 100;
	}
	if( valueOpacity < 0 )
	{
		valueOpacity = 0;
	}
	objectTarget.style.opacity = valueOpacity;
	objectTarget.style.modOpacity = valueOpacity;
	objectTarget.style.filter = 'alpha(opacity=' + eval( 100 * valueOpacity ) + ')';
}

// E-mail
function cheltenhamText_openBlankMail( account, domain )
{
	if( account == '' || domain == '' )
	{
		return( '' );
	}
	var url = 'mailto:' + account + '@' + domain;

	document.location.href = url;
}
// E-mail
function cheltenhamText_getLinkEmailSafe( account, domain )
{
	if( account == '' || domain == '' )
	{
		return( '' );
	}
	var email = account + '@' + domain;
	var textHtml = '<a href = "mailto:' + email + '">' + email + '</a>';

	return( textHtml );
}
function cheltenhamText_printLinkEmailSafe( account, domain )
{
	document.write( cheltenhamText_getLinkEmailSafe( account, domain ) );
}
// ウィンドウのトップまでスクロールする
function cheltenhamWindow_scrollToTop()
{
	window.scrollTo( 0, 0 );
}