img_names = new Array("home", "retailers", "contact", "outdoor", "indoor", "spa", "add");
img_dir = "buttons/";

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

function swap_but(imgNum, action, mult)
{
	if (mult == "N")
	{
		var swapImage = eval("document." + img_names[imgNum]);
		swapImage.src = img_dir + img_names[imgNum] + action + ".gif";
	}else{
		var swapImage = eval("document." + mult);
		swapImage.src = img_dir + "add" + action + ".gif";
	}
}