function addClickFunction(id) {{
    var b = document.getElementById(id);
    if (b && typeof(b.click) == 'undefined') b.click = function() {{
        var result = true; if (b.onclick) result = b.onclick();
        if (typeof(result) == 'undefined' || result) {{ eval(b.getAttribute('href')); }}
    }}} 
}
    
function trim(str) {
    return str.replace(/^\s+|\s+$/g, "");
}