/*var help_urls = new Array();
help_urls["intro"] = "help/Intro_WhatIseProof_1.html";
function openHelpById(id, dir) {
    openHelpByURL(dir + help_urls[id]);
}
function openHelpById(id, dir, features) {
    openHeplByURL(dir + help_urls[id], feaures);
}*/
function openHelp(url) {
    var helpWindow = window.open(url, "helpWindow", "scrollbars=yes, resizable=yes, titlebar=no, menubar=no, toolbar=no,location=no, directories=no, width=400, height=300");
    helpWindow.focus();
}
/*function openHelp(url, features) {
    if (features == null) {
        features = "helpWindow", "scrollbars=yes, resizable=yes, titlebar=no, menubar=no, toolbar=yes,location=no, directories=no";
    }
    var helpWindow = window.open(url, "helpWindow", features);
    helpWindow.focus();
}*/