rem: BirtDndManager = function( ) { }; 
add: BirtDndManager = function( ) {   this.isDragging = false;  }; 
context: BirtDndManager = function( ) { };
meta: 855	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/855/badbb2b5dd38d0a2b604400f786f9b45dd705a73/BirtDndManager.js/clean/viewer/org.eclipse.birt.report.viewer/birt/webcontent/birt/ajax/core/BirtDndManager.js