var preloadFlag = false;
function preloadImages()
{
	if (document.images)
	{
		pre_top_050_over = newImage('img/top_050_over.jpg');
		pre_top_038_over = newImage('top_038_over.jpg');
		pre_top_107_over = newImage('img/top_107_over.jpg');
		preloadFlag = true;
	}
}