//preload nav images


preload("nav_foundation_on", "/i/nav_foundation_on.gif");
preload("nav_foundation_off", "/i/nav_foundation_off.gif");
preload("nav_news_on", "/i/nav_news_on.gif");
preload("nav_news_off", "/i/nav_news_off.gif");
preload("nav_donation_on", "/i/nav_donation_on.gif");
preload("nav_donation_off", "/i/nav_donation_off.gif");

//preload star images
preload("star_on", "/i/star_on.gif");
preload("star_fade", "/i/star_fade.gif");
preload("star_off", "/i/t.gif");


//functions for preloading and changing images 
function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()')
		eval(imgObj+'.src = "'+imgSrc+'"')
	}
}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}