var img_names = new Array("home_button", "amenities_button", "photos_button", "reservations_button", "directions_button", "rehoboth_button");

function preload_imgs()
{
	for(var loop = 0; loop < img_names.length; loop++)
	{
		var y = new Image();
		y.src = img_names[loop] + "2.gif";
	}
}

function swap_button(img_num, action)
{
	var x = eval("document." + img_names[img_num]);
	x.src = img_names[img_num] + action + ".gif";
}