function preloadImages()
{
  var d = document;
	if(d.images)
	{
		if(!d.MM_p)
		{
			d.MM_p = new Array();
	    var i,j = d.MM_p.length;
			var a = preloadImages.arguments;
			for(i = 0; i < a.length; i++){
		    if (a[i].indexOf("#") != 0)
				{
					d.MM_p[j] = new Image;
					d.MM_p[j++].src = a[i];
				}
			}
		}
	}
}

function swapImage(imageId, imageSrc)
{
	var x = document.getElementById(imageId);
	x.oSrc = x.src;
	x.src = imageSrc;
}

function restoreImage(imageId)
{
	var x = document.getElementById(imageId);
	x.src = x.oSrc;
}