/**************************
 * 
 * BI7BLA Goods System
 * 
 * By MCyiqiehuanying 2026
 * 
 * 
 **************************/
 
 
function getUrlParam(name) {
    name = name.replace(/[\[\]]/g, '\\$&');
    const regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)');
    const results = regex.exec(window.location.search);
    if (!results) return null;
    if (!results[2]) return '';
    return decodeURIComponent(results[2].replace(/\+/g, ' '));
}