// JavaScript Document

if (document.images) {
//preload images

img1N= new Image();
img1N.src= 'http://www.trailermen.com/noflash/image/btn_home.jpg';
img1H= new Image();
img1H.src= 'http://www.trailermen.com/noflash/image/btn_home1.jpg';
img2N= new Image();
img2N.src= 'http://www.trailermen.com/noflash/image/btn_services.jpg';
img2H= new Image();
img2H.src= 'http://www.trailermen.com/noflash/image/btn_services1.jpg';
img3N= new Image();
img3N.src= 'http://www.trailermen.com/noflash/image/btn_showreel.jpg';
img3H= new Image();
img3H.src= 'http://www.trailermen.com/noflash/image/btn_showreel1.jpg';
img4N= new Image();
img4N.src= 'http://www.trailermen.com/noflash/image/btn_studio.jpg';
img4H= new Image();
img4H.src= 'http://www.trailermen.com/noflash/image/btn_studio1.jpg';
img5N= new Image();
img5N.src= 'http://www.trailermen.com/noflash/image/btn_clients.jpg';
img5H= new Image();
img5H.src= 'http://www.trailermen.com/noflash/image/btn_clients1.jpg';
img6N= new Image();
img6N.src= 'http://www.trailermen.com/noflash/image/btn_about.jpg';
img6H= new Image();
img6H.src= 'http://www.trailermen.com/noflash/image/btn_about1.jpg' ;
img7N= new Image();
img7N.src= 'http://www.trailermen.com/noflash/image/btn_contact.jpg';
img7H= new Image();
img7H.src= 'http://www.trailermen.com/noflash/image/btn_contact1.jpg';

function myOn(myImgName) {
   document[myImgName].src=eval(myImgName+ 'H' ).src;
}

function myOut(myImgName) {
   document[myImgName].src=eval(myImgName+ 'N' ).src;
}

}