function getUrlVariable() {/* Function to get query string values */
    var vars = [], hash;
    var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
    for (var i = 0; i < hashes.length; i++) {
        hash = hashes[i].split('=');
        vars.push(hash[0]);
        vars[hash[0]] = decodeURIComponent(hash[1]);
    }
    return vars;
}

$(document).ready(function () {
var queryVariable = getUrlVariable();/* Assign function to variable */
eListName = decodeURIComponent(queryVariable["listName"]);/* Getting the values */
eEventTitle = decodeURIComponent(queryVariable["eventTitle"]);
});

// Function to get the URL parameters
function getURLParameter(name) {
    return decodeURI(
          (RegExp(name + '=' + '(.+?)(&|$)').exec(location.search) || [,
null])[1]
    );
}
$(document).ready(function () {
hostweburl = decodeURIComponent(getURLParameter("SPHostUrl"));
appweburl = decodeURIComponent(getURLParameter("SPAppWebUrl"));
});