removeAd

removeAd.js

var classes = [
	'plugin-free_area plugin-box',
	'maist'
];

var ids = [
	'ad'
];

var removeAdByClass = function(className) {
	var list = document.getElementsByClassName(className);
	for(var i = 0; i < list.length; i++) {
		var elem = list.item(i);
		elem.parentNode.removeChild(elem);
	}
}

var removeAdById = function(id) {
	(var elem = document.getElementById(id)).parentNode.removeChild(elem);
}

var map = function(array, method) {
	for (var i = 0; i < array.length; i++) {
		method(array[i]);
	}
}

map(classes, removeAdByClass);
map(ids    , removeAdById);