var citydata=new Array("银川","石嘴山","吴忠","固原","中卫");
var dataid=new Array("101170101","101170201","101170301","101170401","101170501");
function openclass() {
window.open ("/m2/j/custom/select_ningxia.html","newwindow","height=300, width=600,scrollbars=no,toolbar=no,menubar=no,resizable=no,location=no,status=no");

}