services_on = new Image(160,16);
services_on.src = "images/navbar_buttons/services_on.gif";
portfolio_on = new Image(160,16);
portfolio_on.src = "images/navbar_buttons/portfolio_on.gif";
about_on = new Image(160,16);
about_on.src = "images/navbar_buttons/about_on.gif";
references_on = new Image(160,16);
references_on.src = "images/navbar_buttons/references_on.gif";
contact_on = new Image(160,16);
contact_on.src = "images/navbar_buttons/contact_on.gif";
home_on = new Image(160,16);
home_on.src = "images/navbar_buttons/home_on.gif";

services_off = new Image(160,16);
services_off.src = "images/navbar_buttons/services_off.gif";
portfolio_off = new Image(160,16);
portfolio_off.src = "images/navbar_buttons/portfolio_off.gif";
about_off = new Image(160,16);
about_off.src = "images/navbar_buttons/about_off.gif";
references_off = new Image(160,16);
references_off.src = "images/navbar_buttons/references_off.gif";
contact_off = new Image(160,16);
contact_off.src = "images/navbar_buttons/contact_off.gif";
home_off = new Image(160,16);
home_off.src = "images/navbar_buttons/home_off.gif";