Add set value of select box using url param

jQuery code snippet to add/set value of select box using a supplied url parameter.

jQuery(document).ready(function() {
	$.urlParam = function(name){
		var results = new RegExp('[\?&]' + name + '=([^&#]*)').exec(window.location.href);
		return results[1] || 0;
	}
	//set the class
	$('select[name=cabinClass] option[value="'+$.urlParam('class').toUpperCase()+'"]').attr('selected', true);
});