function smooth_tab_select( $selected_id, $unselect_array )
{
	document.getElementById($selected_id).className = 'tab selected';
	document.getElementById($selected_id + '_div').style.display = 'block';

	for( $key in $unselect_array )
	{
		document.getElementById($unselect_array[$key]).className = "tab";
		document.getElementById($unselect_array[$key] + '_div').style.display = 'none';
	}
}