if (document.images) {

nav_about_on = new Image();
nav_about_on.src = "/images/nav_about_on.jpg";
nav_about_off = new Image();
nav_about_off.src = "/images/nav_about_off.jpg";

nav_funds_on = new Image();
nav_funds_on.src = "/images/nav_funds_on.jpg";
nav_funds_off = new Image();
nav_funds_off.src = "/images/nav_funds_off.jpg";

nav_programs_on = new Image();
nav_programs_on.src = "/images/nav_programs_on.jpg";
nav_programs_off = new Image();
nav_programs_off.src = "/images/nav_programs_off.jpg";

nav_news_on = new Image();
nav_news_on.src = "/images/nav_news_on.jpg";
nav_news_off = new Image();
nav_news_off.src = "/images/nav_news_off.jpg";

nav_resources_on = new Image();
nav_resources_on.src = "/images/nav_resources_on.jpg";
nav_resources_off = new Image();
nav_resources_off.src = "/images/nav_resources_off.jpg";

nav_contact_on = new Image();
nav_contact_on.src = "/images/nav_contact_on.jpg";
nav_contact_off = new Image();
nav_contact_off.src = "/images/nav_contact_off.jpg";


}
function turnOn(imgName) {
        if (document.images) {
        	document[imgName].src = eval(imgName + "_on.src");
        }
}
function turnOff(imgName) {
        if (document.images) {
        	document[imgName].src = eval(imgName + "_off.src");
        }
}