/**
 *  @author Georgi Naumov
 *  [email protected] for contacts and suggestions.
 *  http://georgi-naumov.blogspot.com/
 */
window.addEventListener("load", function loadHandler() {
    // remove handler to clean up
    this.removeEventListener("load", loadHandler);

    var pagePrev =  document.querySelector("pagination-prev a");

    if(pagePrev == null) {
        return;
    }

    var head = document.getElementsByTagName('head')[0];
    var linkPrev = document.createElement('link');

    linkPrev.rel = 'prev';
    linkPrev.href = pagePrev.href;
    head.appendChild(linkPrev);

    // avoid circular references
    pagePrev = head = linkPrev = null;
});