rem: this.contentArea.SetFields( pageData ); return; 
add: if ( !this.contentArea.SetFields( pageData ) ) {   return; } 
context:     setPageData:      function ( aPageTag )        {          var pageData = this.dataManager.getPageData( aPageTag );          if( 'SetFields' in this.contentArea )            {              this.contentArea.SetFields( pageData );              return;            }          for( var elementID in pageData )            {              var element = this.contentArea.document.getElementById( elementID );              if( element )                {                  var elementType = element.localName;                  var set_Func = (elementType in this.handlers) ?                                  this.handlers[elementType].set :                                  this.handlers.default_handler.set;                  set_Func( elementID, pageData[elementID] );                }            }        },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/2f707df7e05c167a5d14bad60a74841b0762bc0a/nsWidgetStateManager.js/clean/xpfe/global/resources/content/nsWidgetStateManager.js