$("#p_response_error_size").addClass("nvisible");
	function send ()
	{
		var pin=$('#pin').val();
		if(pin == ''){
		pin=' ';
		}
		//var pinLength = pin.length;
		var urlController = "";
		//if(pinLength==10 || pinLength==20){
				urlController = "index.php/controller_prepaid_cards/index/"+lang;
	 
		//}
		
		if(urlController != ""){
			$.ajax(
			{
	    	    type: "POST",
	        	url: urlController,
		        data: {'pin':pin},
	    	    success: function(datos){
		        	$("#p_response").text(datos);
					$("#div_response").removeClass("nvisible");
					$("#div_input").addClass("nvisible");
	
					
	    	  	}
			});	
		}
		else{
		$("#div_response").removeClass("nvisible");
		$("#div_input").addClass("nvisible");
		$("#p_response_error_size").removeClass("nvisible");
		}
			
			
			
			return false;
	}
	function back ()
	{
		$("#div_response").addClass("nvisible");
		$("#div_input").removeClass("nvisible");
	}