var clickOnce = false;
var intervalID;

$(function() {
    var quote_index = getUrlParameter('quote');
    if(quote_index) {
        alert("Quote ID is " + quote_index);
    } else {
        startQuote();
    }
});

function startQuote() {
    if(clickOnce) {
        intervalID = setInterval(function() {
            var tempIndex = Math.floor(Math.random()*quotes.length);
            document.getElementById("trump").innerHTML = quotes[tempIndex].body;
            document.getElementById("dateObj").innerHTML = quotes[tempIndex].date;
            document.getElementById("dateObj").setAttribute('href', quotes[tempIndex].source);
        }, 1000);
        clickOnce = false;
    }
}

function stopQuote() {
    if(!clickOnce) {
        clearInterval(intervalID);
        clickOnce = true;
        history.pushState({}, document.title, newURL);
    }
}

var getUrlParameter = function getUrlParameter(sParam) {
    var sPageURL = decodeURIComponent(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 : sParameterName[1];
        }
    }
};