function preloadImageList(list)
{
	var imgSrc;
	var img = [];
	var i;
	
	i = 0;
	for (imgSrc in list.split(';'))
	{
		img[i] = new Image();
		img[i].src = imgSrc;
		i++;
	}
}
			
function showHide(show, hide)
{
	var obj = document.getElementById(show);
	var obj2 = document.getElementById(hide);
	
	if (obj && obj2)
	{
		obj.style.visibility = "visible";
		obj2.style.visibility="hidden";
	}
}