code: function(oConfigs) {
          
  		Prog.superclass.constructor.call(this, document.createElement('div') , oConfigs);
  		this._init(oConfigs);
  		
  	}
docs: The ProgressBar widget provides an easy way to draw a bar depicting progress of an operation,
  a level meter, rating or any such simple linear measure.
  It allows for highly customized styles including animation, vertical or horizontal and forward or reverse.
  @namespace YAHOO.widget
  @class ProgressBar
  @extends YAHOO.util.Element
  @param oConfigs {object} An object containing any configuration attributes to be set
  @constructor