function checkview() {
    return confirm("You are accessing a charged resource. \nYou need to be logged in and have sufficient units in order to view it.\n\n If you continue your account will be charged.\n\nContinue?");
    //return true;
}

function buyunits()
{
    document.purchaseunits.submit();
    return false;
}

function nopdf()
{
    alert("PDF unavailable online, please contact DCS Customer Services on 01452 835 820 or dcs@haymarket.com for further information");
    return false;
}