function popup(mylink, windowname, dimensions)
{
	var mouseTop;
		
	if (! window.focus)return true;
	var href;
	if (typeof(mylink) == 'string')
	href=mylink;
	else
	href=mylink.href;
	window.open(href,windowname,dimensions);
	return false;
}

function goBack()
{
	window.history.back();
}