JS: Pre-populate Fields

gistfile1.js

// Populate our field
function populateField($container, name, value) {

	var $field = $container.find('[name="'+name+'"]');

	// Skip if our field doesn't exist
	if($field.length == 0) return false;

	if($field.is(':radio')) {
		$field.filter('[value="'+value+'"]').prop('checked', true);

		// Toggle our button state, if we're using a btn-group
		$field.filter('[value="'+value+'"]').parent('label.btn').button('toggle');

	} else if($field.is('select')) {
		$field.find('option[value="'+value+'"]').attr('selected', true);

		// If select2, refresh it
		if($field.hasClass('select2')) $field.select2();

	} else {
		$field.val(value);
	}

}