$(document).ready(function() {
	$('div[id=odds2], div[id=odds3], div[id=odds4]').hide();
	
	
 $(".button").click(function () { 
	  id_cat = $(this).attr('id');
	  $('.button').css('background', '#49a6c0 url(images/_inactive-back.jpg) top repeat-x');
	  $(this).css('background', '#eeeeee');
      $('div[id^=odds]').hide();
      $('div[id^=odds'+id_cat+']').show();
    });
});