$(document).ready(function(){
    
    $("#arrow_who").click(function () {
      if ($("#who_content_hide").is(":hidden")) {
        	$("#who_content_hide").slideDown("slow");
			$("#arrow_who").css("background"," #FFF url(http://twospot.it/img/up.gif) no-repeat center");
      } else {
        $("#who_content_hide").slideUp("slow");
		$("#arrow_who").css("background"," #FFF url(http://twospot.it/img/arrow.gif) no-repeat center");
      }
    });


	$("#arrow_service").click(function () {
      if ($("#service_content_hide").is(":hidden")) {
        	$("#service_content_hide").slideDown("slow");
			$("#arrow_service").css("background"," #FFF url(http://twospot.it/img/up.gif) no-repeat center");
      } else {
        $("#service_content_hide").slideUp("slow");
		$("#arrow_service").css("background"," #FFF url(http://twospot.it/img/arrow.gif) no-repeat center");
      }
    });

	$("#arrow_portfolio").click(function () {
      if ($("#portfolio_content_hide").is(":hidden")) {
        	$("#portfolio_content_hide").slideDown("slow");
			$("#arrow_portfolio").css("background"," #FFF url(http://twospot.it/img/up.gif) no-repeat center");
      } else {
        $("#portfolio_content_hide").slideUp("slow");
		$("#arrow_portfolio").css("background"," #FFF url(http://twospot.it/img/arrow.gif) no-repeat center");
      }
    });


  });