$(function() {

$.each(data, function(key, val) {
    $("#choices").append('<h3><input type="checkbox" name="' + key +
       '" checked="checked" id="id' + key + '">' +
       '<label for="id' + key + '">'+ val.label + '</label></h3>');
});

$("#choices").find("input").click(drawGraphs);
drawGraphs();

})