var RL_Images = new Array;
var RL_Target = '';
var RL_Covered = '';

function RL_PreloadImages()
{
	if (document.images)
	{
		for (var i = 0; i < arguments.length; i++)
		{
			RL_Images[i] = new Image;
			RL_Images[i].src = arguments[i];
		}
	}
}

function RL_Show(Target, Name)
{
	if (document.images)
	{
		RL_Target = Target;
		RL_Covered = document.images[Target].src;
		document.images[Target].src = Name;
	}
}

function RL_Hide(Target, Name)
{
	if (document.images && RL_Target)
	{
		document.images[RL_Target].src = RL_Covered;
		RL_Target = '';
		RL_Covered = '';
	}
}