function freset()
{
	try {
		document.getElementById('main_form').reset();
	} catch (ex) { }
	return false;
}

function fdelete()
{
	return confirm('本当に削除しますか？');
}

function fpreload()
{
	var i;
	var image;
	var images = new Array(
		  'image/reset.gif'
		, 'image/submit.gif'
		, 'image/reset_active.gif'
		, 'image/submit_active.gif'
	);
	for (i = 0; i < images.length; i++) {
		image = new Image;
		image.src = images[i];
	}
}