$(document).ready(function(){
	//flag IE8 or earlier
	if(!$.support.htmlSerialize && !$.support.opacity) // IE feature detection
	{
	$('body').addClass('ie8');
	} //end IE detection

	//flag IE9
	if(!$.support.optSelected && $.support.opacity)
	{
		$('body').addClass('ie9');
	}
}); //end ready