/*
Nice nav javascript from Stopdesign, www.stopdesign.com
Some fine-tuning edits by me; could still be refactored some more; maybe later
*/

suffix_out = "-0";
suffix_over = "-1";
suffix_selected = "-2";

 function nav_enumeration () {
	return new Array('contact_us','welcome_to_powell_place','our_homes','village_center');
 }
 
 function nav_preload(nav_names,nav_path,extension) {
	//var nav_names = nav_enumeration();
	//alert('yiper');
	image_cache = new Array();

	for (index in nav_names) {
		var name = nav_names[index];
		var name_over = name + suffix_over;
		var name_out = name + suffix_out;
		var name_selected = name + suffix_selected;

		image_cache[name] = new Array();
		image_cache[name]['over'] = new Image();
		image_cache[name]['over'].src = nav_path + name_over + '.' + extension;

		image_cache[name]['out'] = new Image();
		image_cache[name]['out'].src = nav_path + name_out + '.' + extension;

		image_cache[name]['selected'] = new Image();
		image_cache[name]['selected'].src = nav_path + name_selected + '.' + extension;
	}
 }

function swap(id,direction) {
 	var fullname = id;
	var img = document.getElementById(id);
	img.setAttribute("src", image_cache[id][direction].src);
}