function preload() {

	home_img = new Image();
	home_img.src = "images/home_over_189x23.gif";

	construction_img = new Image();
	construction_img.src = "images/construction_over_189x23.gif";

	service_img = new Image();
	service_img.src = "images/service_over_189x23.gif";

	projects_img = new Image();
	projects_img.src = "images/projects_over_189x23.gif";

	advantage_img = new Image();
	advantage_img.src = "images/advantage_over_189x23.gif";

	contact_img = new Image();
	contact_img.src = "images/contact_over_189x23.gif";

}