// JavaScript Document


//preload images for navigation roll-overs
var nav1 = new Image();
nav1.src = "http://www.greaterportlandtreecompany.com/images/over-home.png";
var nav2 = new Image();
nav2.src = "http://www.greaterportlandtreecompany.com/images/over-services.png";
var nav3 = new Image();
nav3.src = "http://www.greaterportlandtreecompany.com/images/over-gallery.png";
var nav4 = new Image();
nav4.src = "http://www.greaterportlandtreecompany.com/images/over-contact.png";