function switchImage(img, description)
	{
		document.getElementById('MainImage').src = img;
		document.getElementById('ImageDescription').innerHTML = description;
	}

	function pviiClassNew(obj, new_style) 
	{
		obj.className = new_style;
	}
	
	function MM_goToURL() 
	{ 
	  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
	  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
	}