/* This library contains general utility functions. */

/* This function shows or hides the TOC for one of the old print volumes. */
function ShowHideToc(Sender){
    var tab = Sender.parentNode.getElementsByTagName('table')[0];
    if (tab != null){
        if (tab.style.display != 'block'){
            tab.style.display = 'block';
        }
        else{
            tab.style.display = 'none';
        }
    }

}