window.onload = navOnDocLoad;

var navPreloads = new Array(); // Contains URLs of images to be pre-loaded

navPreloads[navPreloads.length] = "images/hot_bowl.jpg";
navPreloads[navPreloads.length] = "images/canape.jpg";
navPreloads[navPreloads.length] = "images/fork_buffet.jpg";
navPreloads[navPreloads.length] = "images/bbq.jpg";
navPreloads[navPreloads.length] = "images/other.jpg";

function navOnDocLoad()
	{
		navPreloadImages(navPreloads);
	}

function navPreloadImages(imageURLs)
{
    if (imageURLs && imageURLs.length)
    {
        for (var i = 0; i < imageURLs.length; i++)
        {
            var temp = new Image();
            temp.src = imageURLs[i];
            imageURLs[i] = temp;
        }
    }
}

function showHideLayer(layerObjID, showLayer)
{
    var layerObj = document.getElementById(layerObjID);
    if (layerObj && layerObj.style)
        layerObj.style.visibility = (showLayer ? "visible" : "hidden");
}
/* FROM THER JS FILE */