function uniqueID() {
	let s4 = () => {
        return Math.floor((1 + Math.random()) * 0x10000)
            .toString(16)
            .substring(1);
    }
    return s4()  + s4() + '-' + s4() + '-' + s4();
}

var getUrlParameter = function getUrlParameter(sParam) {
    var sPageURL = window.location.search.substring(1),
        sURLVariables = sPageURL.split('&'),
        sParameterName,
        i;

    for (i = 0; i < sURLVariables.length; i++) {
        sParameterName = sURLVariables[i].split('=');

        if (sParameterName[0] === sParam) {
            return sParameterName[1] === undefined ? true : decodeURIComponent(sParameterName[1]);
        }
    }
    return false;
}


var data;
var timesUnique = new Date().valueOf();
if (!getUrlParameter('id')) {
    data = uniqueID();
    if (window.location.href.includes('?')) {
        window.location.href = window.location.href + `&id=${data}-${timesUnique}`;
    } else {
        window.location.href = window.location.href + `?id=${data}-${timesUnique}`;
    }
} else {
    if (history.pushState) {
        data = uniqueID();
        var newurl = window.location.protocol + "//" + window.location.host + window.location.pathname + `?id=${data}-${timesUnique}`;
        window.history.pushState({path:newurl},'',newurl);
    }
}