function Show(obj)
{
	var objlink = obj + '_link';

	if (document.getElementById(obj).style.display=="block") {
        document.getElementById(obj).style.display="none";
		document.getElementById(objlink).style.backgroundImage="url(http://www.forexexpo.com/themes/default/img/pointer_right.gif)";
	}
	else {
		document.getElementById(obj).style.display="block";
		document.getElementById(objlink).style.backgroundImage="url(http://www.forexexpo.com/themes/default/img/pointer_down.gif)";
	}
}