function preloadImagesport() 
{
	if (document.images) 
	{
		ec01_over = newImage("images/ec01-over.gif");
		ec02_over = newImage("images/ec02-over.gif");
		ec03_over = newImage("images/ec03-over.gif");
		ec04_over = newImage("images/ec04-over.gif");
		ec05_over = newImage("images/ec05-over.gif");
		ec06_over = newImage("images/ec06-over.gif");
		db01_over = newImage("images/db01-over.gif");
		db03_over = newImage("images/db03-over.gif");
		db04_over = newImage("images/db04-over.gif");
		db05_over = newImage("images/db05-over.gif");
		preloadFlag = true;
	}
}