function GetParamFromUrl(paramName)
{
	paramName = paramName;
	var url = document.URL;
	var querystring = url.substring(url.indexOf('?') + 1, url.length);
	if(querystring == '')
		return null;
	var parts = querystring.split('&');
	for(var i = 0; i < parts.length; i++)
	{
		var keyValue = parts[i].split('=');
		if (keyValue.length == 2 && keyValue[0] == paramName)
			return keyValue[1];
	}
	return null;
};

function Get(IDobj)
{
	return document.getElementById(IDobj);
};

function InitializeSplash()
{
	//
	var credits = Get('credits');
	if (credits)
		credits.style.display = '';
	//
	var panel = Get('panel');
	if (panel)
	{
		Fade.SetOpacity(panel, 0);
		panel._visible = false;
	}
}

function ToggleVisibility(obj)
{
	if (obj)
	{
		Fade.To(obj, (panel._visible) ? 0 : 1.0);
		panel._visible = !panel._visible;
	}
}