( function($) {
    // we can now rely on $ within the safety of our “bodyguard” function
    $(document).ready(function() {
		$('.drone_table tr:even').addClass('shade');
		$('.drone_table tr').mouseover(function() {
			$(this).addClass('over');		
		});
		$('.drone_table tr').mouseout(function() {
			$(this).removeClass('over');		
		});
	});
} ) ( jQuery );