add:   birtUtility.clearTaskId( ); 
context: 	__stop : function( )	{		window.clearTimeout( this.__timer );		this.__l_hide( );	},
meta: 855	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/855/f5d3573e55ae98083c793f6d1503a85bbee5507a/BirtProgressBar.js/clean/viewer/org.eclipse.birt.report.viewer/birt/webcontent/birt/ajax/ui/app/BirtProgressBar.js