var bnav_img_path = "images/bottomnav/"
var bnav_img_map = {
	"contact":"contact",
	"careers":"careers",
	"corporate":"corporate",
	"privacy":"privacy",
	"partnerships":"partnerships",
}

function notselected(base_name) {
	return bnav_img_path + base_name + extension;
}

function selected(base_name) {
	return bnav_img_path + base_name + "-selected" + extension;
}

function bnav_mouse_over(the_object) {
	the_object.src = selected(bnav_img_map[the_object.id]);
}

function bnav_mouse_out(the_object) {
	the_object.src = notselected(bnav_img_map[the_object.id]);
}