$.ajax({
                url:"11.xml",
                type: "GET",
                dataType:"xml",   
                error:function(xml){alert('Error Loading XML document' + xml);},     
                success: function(xml){
                    $(xml).find("tr").each(function(i){
                        var pid=$(this).children("td[colnum='c0']").text();
                        var pName=$(this).children("td[colnum='c1']").text();
                        if(i==0)
                            var $option = $("<option value='"+pid+"' selected='selected'>"+pName + "</option>");
                        else
                            var $option = $("<option value='"+pid+"'>"+pName + "</option>");
                        $("#wangymc").append($option);
                    });
                }
            });