rem: getItemData: 
add: getItemData: 
context:         getItemData:            function ( aPageTag, aItemID )            {              if( !(aItemID in this.pageData[aPageTag]) )                this.pageData[aPageTag][aItemID] = [];              return this.pageData[aPageTag][aItemID];            }
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/0b2dd2b2d2fd037df917e07645fa019a963332a5/nsWidgetStateManager.js/clean/xpfe/global/resources/content/nsWidgetStateManager.js