theDir = "images/"

function swapOver(imgName) {document.images[imgName].src = theDir + 'menu-' + imgName + '-over.gif'; }
function swapOut(imgName) {document.images[imgName].src = theDir + 'menu-' + imgName + '.gif'; }

function preloadImages(img)
{
	imgTemp = new Image; 
	imgTemp.src = theDir + 'menu-' + img + '-over.gif';
}

preloadImages('about');
preloadImages('eligible');
preloadImages('home');
preloadImages('program');
preloadImages('signup');
preloadImages('tips');
preloadImages('works');