Cookie References

if (readCookie('waist') != null) { pdpBuyStack.selected_waist =  readCookie('waist'); } //if a waist cookie exists, load the waist value
if (readCookie('length') != null) { pdpBuyStack.selected_length =  readCookie('length'); } //if a length cookie exists, load the length value
if (readCookie('size') != null) { pdpBuyStack.selected_size =  readCookie('size'); } //if the size cookie exists, load the size value


// Helper functions for writing and reading cookies. We use cookies for passing the language to the script.
function createCookie(name, value, days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        var expires = "; expires=" + date.toGMTString();
    }
    else var expires = "";

    document.cookie = name + "=" + value + expires + "; path=/";
}

function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
    return null;
}

function eraseCookie(name) {
    createCookie(name, "", -1);
}