rem: var urlstr = url.toString(); if ( urlstr.indexOf(" ", 0) != -1 ) 
add: if ( url.indexOf(" ", 0) != -1 ) 
context:   onDrop: function (aEvent, aData, aDragSession)    {      var data = (('length' in aData) && aData.length) ? aData[0] : aData;      var url = retrieveURLFromData(data);      if (url.length == 0)        return true;      // valid urls don't contain spaces ' '; if we have a space it isn't a valid url so bail out      var urlstr = url.toString();      if ( urlstr.indexOf(" ", 0) != -1 )        return true;      switch (document.firstChild.getAttribute('windowtype')) {        case "navigator:browser":          var urlBar = document.getElementById("urlbar");          urlBar.value = url;          BrowserLoadURL();          break;        case "navigator:view-source":          viewSource(url);          break;        default:      }      return true;    },
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/f53fbf44c40453fe6e6a5a564b5da11b5fa1fa61/contentAreaDD.js/clean/suite/common/contentAreaDD.js