/**
 * 约定函数,数值钻取,Search.htm, EnOnly.htm 的数值类型的字段.
 * @param {字段名} key
 * @param {参数：格式为 &key1=val1&key2=val2} json
 */
function Drill(key, pkval, paraStr) {

    var url = "";
    return "<a href='" + url + "'>" + pkval + "</a>";
   
}