[Javascript] Sort alphabetically the option elements of a select element by text.

sortSelectOption.js

function sortSelectOptions(selectElement) {
	var options = $(selectElement + " option");

	options.sort(function(a,b) {
		if (a.text.toUpperCase() > b.text.toUpperCase()) return 1;
		else if (a.text.toUpperCase() < b.text.toUpperCase()) return -1;
		else return 0;
	});

	$(selectElement).empty().append( options );
}