var Corners = function(){};

Corners.prototype = {
	applyTo: function (element){}
}

Corners.prototype.applyTo = function (element) {
	var corners = document.createDocumentFragment();
	var c1 = document.createElement("div");
	var c2 = document.createElement("div");
	var c3 = document.createElement("div");
	var c4 = document.createElement("div");
	c1.className = "corner top-left";
	c2.className = "corner top-right";
	c3.className = "corner bottom-left";
	c4.className = "corner bottom-right";
	corners.appendChild(c1);
	corners.appendChild(c2);
	corners.appendChild(c3);
	corners.appendChild(c4);
	element.appendChild(corners);
}

var items = getElementsByClassName("corners-here");

if (items) {
	for (var i = 0, l = items.length; i < l; i++) {
		var x = new Corners();
		x.applyTo(items[i]);
	}
}