var rallyposter = {
    onLoad: function() {
      // initialization code
      this.initialized = true;
      this.strings = document.getElementById("rallyposter-strings");
    },
    onMenuItemCommand: function(e) {
      var location, title;
      var savePopupURL = "http://localhost/rally2007/save_popup.php";
      var browser = window.getBrowser();
      var webNav = browser.webNavigation;
      if(webNav.currentURI)
        location = webNav.currentURI.spec;
      else
        location = gURLBar.value;  
  
      if(webNav.document.title)
        title = webNav.document.title;
      else
        title = location;
  this.openPopupWindow(savePopupURL+"?location="+encodeURIComponent(location)+"&title="+encodeURIComponent(title), 700, 400);
    },
    onToolbarButtonCommand: function(e) {
      // just reuse the function above.  you can change this, obviously!
      rallyposter.onMenuItemCommand(e);
    },
    openPopupWindow : function(aPath, aWidth, aHeight){
      //make it center        
      var width = aWidth, height = aHeight;
      var left = parseInt((screen.availWidth/2) - (width/2)); 
      var top  = parseInt((screen.availHeight/2) - (height/2));
  
      var props = "width="+width+",height="+height+",left="+left+",top="+top+",menubar=0,toolbar=0,scrollbars=1,location=0,status=1,resizable=1";
      var newWindow = window.open(aPath, "", props);      
      newWindow.focus();
    }
  };
  window.addEventListener("load", function(e) { rallyposter.onLoad(e); }, false);