ipadlabels

var iPadLabels = function () {

	function fix() {
		var labels = document.getElementsByTagName('label'),
			label;
		for (var i = 0; label = labels[i]; i++) {
			if (label.getAttribute('for')) {
				label.onclick = labelClick;
			}
		}
	};
	
	function labelClick() {
		var el = document.getElementById(this.getAttribute('for'));
		if (['radio', 'checkbox'].indexOf(el.getAttribute('type')) != -1) {
			el.setAttribute('selected', !el.getAttribute('selected'));
		} else {
			el.focus();
		}
	};

	return {
		fix: fix
	}

}();

Caching ftw! Proof: http://jsperf.com/elts-i-vs-caching