if (document.images) {

about_usoff = new Image();
about_usoff.src = "../images/navigation/about_us_off.gif";
about_usover = new Image();
about_usover.src = "../images/navigation/about_us_over.gif";

mission_statementoff = new Image();
mission_statementoff.src = "../images/navigation/mission_statement_off.gif";
mission_statementover = new Image();
mission_statementover.src = "../images/navigation/mission_statement_over.gif";

referraloff = new Image();
referraloff.src = "../images/navigation/referral_off.gif";
referralover = new Image();
referralover.src = "../images/navigation/referral_over.gif";

materialsoff = new Image();
materialsoff.src = "../images/navigation/materials_off.gif";
materialsover = new Image();
materialsover.src = "../images/navigation/materials_over.gif";

steps_to_takeoff = new Image();
steps_to_takeoff.src = "../images/navigation/steps_to_take_off.gif";
steps_to_takeover = new Image();
steps_to_takeover.src = "../images/navigation/steps_to_take_over.gif";

warrantyoff = new Image();
warrantyoff.src = "../images/navigation/warranty_off.gif";
warrantyover = new Image();
warrantyover.src = "../images/navigation/warranty_over.gif";

photo_galleryoff = new Image();
photo_galleryoff.src = "../images/navigation/photo_gallery_off.gif";
photo_galleryover = new Image();
photo_galleryover.src = "../images/navigation/photo_gallery_over.gif";

testimonialsoff = new Image();
testimonialsoff.src = "../images/navigation/testimonials_off.gif";
testimonialsover = new Image();
testimonialsover.src = "../images/navigation/testimonials_over.gif";

services_offeredoff = new Image();
services_offeredoff.src = "../images/navigation/other_services_off.gif";
services_offeredover = new Image();
services_offeredover.src = "../images/navigation/other_services_over.gif";

feedbackoff = new Image();
feedbackoff.src = "../images/navigation/feedback_off.gif";
feedbackover = new Image();
feedbackover.src = "../images/navigation/feedback_over.gif";

contact_usoff = new Image();
contact_usoff.src = "../images/navigation/contact_us_off.gif";
contact_usover = new Image();
contact_usover.src = "../images/navigation/contact_us_over.gif";

}


function over(imgname) {
	if (document.images) {
	document[imgname].src = eval(imgname + "over.src");
	}
}


function off(imgname) {
	if (document.images) {
	document[imgname].src = eval(imgname + "off.src");
	}
}