Add x to input fields to erase content

jquery.erasable.js

/**
 * DWTFYW License
 * Author: Tony Brix, http://tonybrix.info
 * 
 * Usage:
 * $("input").erasable();
 */
(function ($) {
	var defaults = {
		//align: "right"
	};

	$.erasable = function (element, options) {
		var $input = $(element);
		var $wrap = $input.wrap("<div class='erasable'></div>").parent();
		var $button = $("<div class='erasable-button'></div>").appendTo($wrap);
		var settings = $.extend({}, defaults, options, {
			display: $input.css("display")
		});

		$wrap.css({
			display: settings.display,
			position: "relative",
			margin: 0,
			padding: 0
		}).hover(function () {
			$button.css({
				opacity: 1
			});
		}, function () {
			$button.css({
				opacity: 0
			});
		});
		$button.css({
			position: "absolute",
			top: 4,
			right: 4,
			margin: 0,
			padding: 0,
			width: 11,
			height: 14,
			background: "url('data:image/png;base64,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') 0px 0px no-repeat",
			cursor: "pointer",
			transition: ".2s opacity",
			opacity: 0
		}).hover(function () {
			$(this).addClass("erasable-hover").css({
				backgroundPosition: "-11px 0px"
			});
		}, function () {
			$(this).removeClass("erasable-hover").css({
				backgroundPosition: "0px 0px"
			});
		}).click(function () {
			$input.val("");
		});
	};

	$.fn.erasable = function (options) {
		return this.each(function () {
			var $this = $(this);
			if ($this.is("input") && !$this.is("[type='radio'], [type='checkbox']")) {
				$.erasable(this, options);
			}
		});
	};

})(jQuery);