},
/**
* Show the popover
- * @param {Roo.Element|string|false} - element to align and point to. (set align to [ pos, offset ])
+ * @param {Roo.Element|string|Boolean} - element to align and point to. (set align to [ pos, offset ])
+ * @param {string} (left|right|top|bottom) position
*/
show : function (on_el)
{