   var idx = this.getParentIndex();   if (idx<=0) return null;  return this.parent.children[idx-1]; }, 
   var idx = this.getParentIndex();   if (idx<=0) return null;  return this.parent.children[idx-1]; }, 
  getPreviousSibling: function(){    // summary:    //    returns null if this is the first child of the parent,    //    otherwise returns the next sibling to the "left".    var idx = this.getParentIndex();     // first node is idx=0 not found is idx<0    if (idx<=0) return null;    return this.parent.children[idx-1]; // Widget  },
6315	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6315/65ae7e8768a77997b7894e274bc242069a1cb027/struts_dojo.js.uncompressed.js/clean/src/main/resources/org/apache/struts2/static/dojo/struts_dojo.js.uncompressed.js