// In IE6/IE7 the above jQuery selector returns all elements,
// becuase it has a default value for tabIndex in IE6/IE7 of 0
// (rather than null/undefined). Therefore check "> 0" as well.
// In IE6/IE7 the above jQuery selector returns all elements,
// becuase it has a default value for tabIndex in IE6/IE7 of 0
// (rather than null/undefined). Therefore check "> 0" as well.