$(document).ready(function(){  
            $("#loading").ajaxStart(function(){  
                $(this).show();  
                });  
            $("#loading").ajaxStop(function(){  
                $(this).hide();  
                });  
            });  
            
            
function print_r(theObj){
  if(theObj.constructor == Array ||
     theObj.constructor == Object){
    document.write("<ul>")
    for(var p in theObj){
      if(theObj[p].constructor == Array||
         theObj[p].constructor == Object){
document.write("<li>["+p+"] => "+typeof(theObj)+"</li>");
        document.write("<ul>")
        print_r(theObj[p]);
        document.write("</ul>")
      } else {
document.write("<li>["+p+"] => "+theObj[p]+"</li>");
      }
    }
    document.write("</ul>")
  }
}

$(".btn-slide").click(function(){
		$("#panel").slideToggle("slow");
		$(this).toggleClass("active"); return false;
	});