var LoadedImages = {};
function PreLoadImage(id, image) 
{
   	LoadedImages[id] = {};
   	LoadedImages[id].image = image;
		var imagePreloader = new Image();
		imagePreloader.src = image;
}

function ShowImage( image_id, container_id )
{
  	document.getElementById(container_id).innerHTML = '<img src="" id="current-image" />';

    if(document.getElementById('current-image')) 
		{
        document.getElementById('current-image').src = LoadedImages[image_id].image;
    }
}