function openOverlay() {
    var api = $("#popup_plus").overlay({
		finish: {top: 'center'},
		expose: {
			color: '#000000',
			opacity: 0.7,
			closeSpeed: 1000
		}
	});            
    api.load();
}
jQuery(document).ready(function() {
	$('#popup_plus').bgiframe({ height: 1000 });
	$("#popup_plus").overlay({
		finish: {top: 'center'},
		expose: {
			color: '#000000',
			opacity: 0.7,
			closeSpeed: 1000
		}
	});
});