function showLoading() {
// Create a white box to cover the page.
var back = document.createElement('div');
back.style.backgroundColor = '#ffffff';
back.style.position = 'fixed';
back.style.zIndex = '0';
back.style.left = '0px';
back.style.top = '0px';
back.style.right = '0px';
back.style.bottom = '0px';
document.body.appendChild(back);

// Add a box to contain the message.
var box = document.createElement('div');
box.style.position = 'absolute';
box.style.left = '100px';
box.style.top = '215px';
box.style.zIndex = '1';
box.style.width = '250px';
box.style.margin = '15px ' + ((document.body.offsetWidth / 2) - (250 / 2)) + 'px';
box.style.fontFamily = 'Verdana, Arial, serif';
document.body.appendChild(box);

// Add the "Please wait" header
var message = document.createElement('span');
message.id = 'loading_header';
message.style.left = '100px';
message.style.top = '100px';
message.style.display = 'block';
message.style.fontSize = '175%';
message.style.fontWeight = 'bold';
message.style.textAlign = 'center';
message.innerHTML = 'Palun oodake!';
box.appendChild(message);

// Add the subheader message
var message = document.createElement('span');
message.id = 'loading_message';
message.style.display = 'block';
message.style.fontSize = '125%';
message.style.textAlign = 'center';
message.innerHTML = 'Teie pilti laetakse serverisse. See võib võtta kuni mõne minuti olenevalt teie interneti ühenduse kiirusest.';
box.appendChild(message);

// Add a loading image.
var img = document.createElement('img');
img.setAttribute("src", "images/gif_loading.gif");
img.style.display = 'block';
img.style.width = '240px';
img.style.height = '240px';
img.style.margin = '15px auto';
//box.appendChild(img);
}