// Replaces img_name with img_src on roll over 
function roll(img_name, img_src)	{
   document[img_name].src = img_src;
}

// Hides an image on roll over 
function hideshow(id, action)	{
	if (action=="hide")	{
		document.getElementById(id).style.display = "none";
	} else if(action=="show")	{
		document.getElementById(id).style.display = "block";
	}
}

// Toggles info using Effect.BlindDown 
function toggleInfo(anchor, div)	{
	if ($(div).style.display != 'none')	{
		Effect.BlindUp(div);
	} else	{
		Effect.BlindDown(div);
	}
}

function showLoading() 
{
	div = document.getElementById("loading"); 
	div.style.display = "block"; 
}