if (window.document.images)
{
var about_button= new Image();
about_button.src= "images/nav_about_o.gif";
var services_button= new Image();
services_button.src= "images/nav_services_o.gif";
var special_button= new Image();
special_button.src= "images/nav_special_o.gif";
var calendar_button= new Image();
calendar_button.src= "images/nav_calendar_o.gif";
var partners_button= new Image();
partners_button.src= "images/nav_partners_o.gif";
var designers_button= new Image();
designers_button.src= "images/nav_designers_o.gif";
var contact_button= new Image();
contact_button.src= "images/nav_contact_o.gif";
var site_button= new Image();
site_button.src= "images/nav_site_o.gif";
var logo_over= new Image();
logo_over.src= "images/logo2.gif";
var home_button= new Image();
home_button.src= "images/nav_home_o.gif";
var news_button= new Image();
news_button.src= "images/nav_news_o.gif";

}