add: gUserInteracted = true; 
context: function onDownloadProperties(aEvent){  window.openDialog("chrome://mozapps/content/downloads/downloadProperties.xul",                    "_blank", "modal,centerscreen,chrome,resizable=no", aEvent.target.id);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/1777c7322f0813cf2c5438884f2b41b5b62b3dc1/downloads.js/clean/toolkit/mozapps/downloads/content/downloads.js