// preload button images for smooth mouseover

var urlString = "images/but";
if (document.URL.indexOf("/photo_album/pages/") != -1) {
   var urlString = "../../images/but";
} else if (document.URL.indexOf("/photo_album/") != -1) {
   var urlString = "../images/but";
}

var imageDB=new Array();
for (i=1; i <= 13; i++) {
   imageDB[i] = new Image;
   imageDB[i].src = urlString + i + "b.jpg"
}

function iPhoneBugFix() {
   if (navigator.userAgent.indexOf('iPhone') == -1) { document.getElementById('copyright_bottom').style.visibility = 'visible'; }
}