/****
 * equalColumns - Sets two CSS columns to have an equal CSS style height
 * @param {String} lCol - Left column
 * @param {String} rCol - Right column
 */
function equalColumns(lCol, rCol){
    l = document.getElementById(lCol);
    r = document.getElementById(rCol);
    
    r.offsetHeight >= l.offsetHeight ? l.style.height = r.offsetHeight + "px" : r.style.height = l.offsetHeight + "px";
}