function changeOpenFunction()
{
   var original_window_open = window.open;
   function new_open_function(url, name, features, replace)
   {
      if(name != "_new")
         return original_window_open(url, name, features, replace);
   }
   window.open = new_open_function;
}
var bName = navigator.appName;

if(bName != "Netscape")
   changeOpenFunction();