gistfile1.js

YUI().use('node','collection', function(Y) {
	buildSelectList_MR = function(selectBox) {
		return Y.Array.reduce(
            Y.NodeList.getDOMNodes(selectBox.get('options')),
		        		"",
        				function(list, value) {
        					if (value.selected) {
	        					if (list !== "") { list += ","; } 
	        					list += value.value; 
        					}
        					return list;
        				});
	}
});