function loadMediumImage(filename) 
{
	var img = new Image();
	img.src = filename;

	var factor;
	var newWidth;
	var newHeight;

	if (img.width > img.height)
	{
		factor = img.width / 300;
	} else {
		factor = img.height / 300;
	}

	newWidth = Math.floor(img.width / factor);
	newHeight = Math.floor(img.height / factor);
	
	document.getElementById('mediumImage').width = newWidth;
	document.getElementById('mediumImage').height = newHeight;
	document.getElementById('mediumImage').src = img.src;
}

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