var darkened_pics = new Array();
var lighted_pics = new Array();



function preloadButtonSet(num,dark,light) {
 darkened_pics[num] = new Image();
 darkened_pics[num].src = dark;
 lighted_pics[num] = new Image();
 lighted_pics[num].src = light;
}

preloadButtonSet(0,"/images/pagetop/listings.jpg","/images/pagetop/listings_over.jpg");
preloadButtonSet(1,"/images/pagetop/purchases.jpg","/images/pagetop/purchases_over.jpg");
preloadButtonSet(2,"/images/pagetop/open_houses.jpg","/images/pagetop/open_houses_over.jpg");
preloadButtonSet(3,"/images/pagetop/company.jpg","/images/pagetop/company_over.jpg");
preloadButtonSet(4,"/images/pagetop/agents.jpg","/images/pagetop/agents_over.jpg");
preloadButtonSet(5,"/images/pagetop/testimonials.jpg","/images/pagetop/testimonials_over.jpg");
preloadButtonSet(6,"/images/pagetop/newsblog.jpg","/images/pagetop/newsblog_over.jpg");
preloadButtonSet(7,"/images/pagetop/vendor_referral.jpg","/images/pagetop/vendor_referral_over.jpg");
//preloadButtonSet(8,"/images/pagetop/careers.jpg","/images/pagetop/careers_over.jpg");
preloadButtonSet(8,"/images/pagetop/philanthropy.jpg","/images/pagetop/philanthropy_over.jpg");
preloadButtonSet(9,"/images/pagetop/contact_us.jpg","/images/pagetop/contact_us_over.jpg");
// preloadButtonSet(9,"/images/pagetop/links.jpg","/images/pagetop/links_over.jpg");

function lighten(num) {
 if (document.images)
  {
  eval("document.button"+num+".src = lighted_pics["+num+"].src;");
  }
 return false;
}
function darken(num) {
 if (document.images)
  {
  eval("document.button"+num+".src = darkened_pics["+num+"].src;");
  }
 return false;
}