$(document).ready(function() {

    $.getJSON('http://datafeeds.foundagency.com/js/json2.php?'+feedUrl, function(data) {
        max_range = data.fieldId746.length;
        var myNums2 = new Array();
        myNums2 = getRandomIndex(3, max_range);

        for (a = 0; a <= myNums2.length - 1; a++) {
            saving = Math.round((data.fieldId749[myNums2[a]] - data.fieldId748[myNums2[a]]) / data.fieldId749[myNums2[a]] * 100);
            
            var productHtml = '<div class="product_listed">'
 	                + '<h3><a href="' + data.fieldId746[myNums2[a]] + '">' + data.fieldId745[myNums2[a]] + '</a></h3>'
			+ '<p><a href="' + data.fieldId746[myNums2[a]] + '"><img src="' + data.fieldId770[myNums2[a]] + '" id="photo' + myNums2[a] + '" style="padding-bottom: 10px; border: none; float: none;" /></a><br/>'
			+ '<span class="discount">only $' + data.fieldId748[myNums2[a]] + '<br/>'
			+ '<a href="' + data.fieldId746[myNums2[a]] + '" class="buy_now"><span>Buy now</span></a>'
			+ '</p>\n';
            document.getElementById('gridProducts').innerHTML += productHtml;
            $('#photo' + myNums2[a]).css("height", "90px");
        }
    });
});

function getRandomIndex(qty, limit) {
    if (qty > limit) { qty = limit; }
    var myNums = new Array();
    for (i = 0; i <= limit - 1; i++) {
        myNums.push(i);
    }
    max = limit;
    var randomIndex = new Array(qty);

    for (x = 0; x <= randomIndex.length - 1; x++) {
        tmpIndex = Math.floor(Math.random() * (myNums.length - 1));
        randomIndex[x] = myNums[tmpIndex];
        myNums.splice(tmpIndex, 1);
    }
    return randomIndex;
}