rem: if (url && url.length > 0) { 
add: if (url) { 
context:   function browserHandleMiddleClick(event)  {    var target = event.originalTarget;    if (pref.GetBoolPref("middlemouse.openNewWindow"))    {      var node = enclosingLink(target);      var href ="";      if (node)        href = node.href;      if (href != "")      {        openNewWindowWith(href);        event.preventBubble();        return;      }    }    if (pref.GetBoolPref("middlemouse.paste"))    {      if (isScrollbar(target)) {         return;	  }      var tagName = target.tagName;      if (tagName) tagName = tagName.toLowerCase();      var type = target.type;      if (type) type = type.toLowerCase();      var url = readFromClipboard();      //dump ("Loading URL on clipboard: '" + url + "'; length = " + url.length + "\n");      if (url && url.length > 0)      {        var urlBar = document.getElementById("urlbar");        urlBar.value = url;        BrowserLoadURL();        event.preventBubble();      }    }  }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/7ca36206ca272a0b5fa09b64258d543767c6985b/navigator.js/buggy/suite/browser/navigator.js