function validate()
    {
    var at=document.getElementById("email").value.indexOf("@")
    var title=document.getElementById("title").value
    var org=document.getElementById("org").value
    var name=document.getElementById("name").value
    var em=document.getElementById("email").value
    submitOK="true"

    if (name.length==0 || title.length==0 || org.length==0 || em.length==0)
     {
     alert("Name, Title, Organisation and Email is required.")
     submitOK="false"
     }
    if ((em.length>0) && (at==-1))
     {
     alert("Not a valid e-mail!")
     submitOK="false"
     }
    if (submitOK=="false")
     {
     return false
     }
    }