/* cookies */
function Set_Cookie(name, value, expires, path, domain, secure) {
    // set time, it's in milliseconds
    var today = new Date();
    today.setTime(today.getTime());

    /*
    if the expires variable is set, make the correct
    expires time, the current script below will set
    it for x number of days, to make it for hours,
    delete * 24, for minutes, delete * 60 * 24
    */
    if (expires) {
        expires = expires * 1000 * 60 * 60 * 24;
    }
    var expires_date = new Date(today.getTime() + (expires));

    document.cookie = name + "=" + escape(value) +
    ((expires) ? ";expires=" + expires_date.toGMTString() : "") +
    ((path) ? ";path=" + path : "") +
    ((domain) ? ";domain=" + domain : "") +
    ((secure) ? ";secure" : "");
}

// this fixes an issue with the old method, ambiguous values
// with this test document.cookie.indexOf( name + "=" );
function Get_Cookie(check_name) {
    // first we'll split this cookie up into name/value pairs
    // note: document.cookie only returns name=value, not the other components
    var a_all_cookies = document.cookie.split(';');
    var a_temp_cookie = '';
    var cookie_name = '';
    var cookie_value = '';
    var b_cookie_found = false; // set boolean t/f default f

    for (i = 0; i < a_all_cookies.length; i++) {
        // now we'll split apart each name=value pair
        a_temp_cookie = a_all_cookies[i].split('=');


        // and trim left/right whitespace while we're at it
        cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

        // if the extracted name matches passed check_name
        if (cookie_name == check_name) {
            b_cookie_found = true;
            // we need to handle case where cookie has no value but exists (no = sign, that is):
            if (a_temp_cookie.length > 1) {
                cookie_value = unescape(a_temp_cookie[1].replace(/^\s+|\s+$/g, ''));
            }
            // note that in cases where cookie is initialized but no value, null is returned
            return cookie_value;
            break;
        }
        a_temp_cookie = null;
        cookie_name = '';
    }
    if (!b_cookie_found) {
        return null;
    }
}

// this deletes the cookie when called
function Delete_Cookie(name, path, domain) {
    if (Get_Cookie(name)) document.cookie = name + "=" +
    ((path) ? ";path=" + path : "") +
    ((domain) ? ";domain=" + domain : "") +
    ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

//disable enter key
function disableEnterKey(evt) {
    var evt = (evt) ? evt : ((event) ? event : null);
    var node = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
    if ((evt.keyCode == 13)) { return false; }
    else { return true; }
}

//check caps lock
function checkCapsLock(e, warnId) {
    var myKeyCode = 0;
    var myShiftKey = e.shiftKey;
    var warnElem = document.getElementById(warnId);

    if (document.all) {
        // Internet Explorer 4+
        myKeyCode = e.keyCode;
    } 
    else if (document.getElementById) {
        // Mozilla / Opera / etc.
        myKeyCode = e.which;
    }

    if ((myKeyCode >= 65 && myKeyCode <= 90) || (myKeyCode >= 97 && myKeyCode <= 122)) {
        // Upper case letters are seen without depressing the Shift key, therefore Caps Lock is on
        // Lower case letters are seen while depressing the Shift key, therefore Caps Lock is on
        if (((myKeyCode >= 65 && myKeyCode <= 90) && !myShiftKey) || ((myKeyCode >= 97 && myKeyCode <= 122) && myShiftKey)) {
            warnElem.style.visibility = 'visible';
            warnElem.style.display = 'inline';
        }
        else {
            warnElem.style.visibility = 'hidden';
            warnElem.style.display = 'none';
        }
    }
}