function changebgColor(TableID, RowNumber, CellNumber, NewColor)
   {
    var x=document.getElementById(TableID).rows[RowNumber].cells
    x[CellNumber].bgColor=NewColor
   }

   function feedbackCheck()
   {
    returntype=false;
    var loForm = document.feedback;
    if (loForm.email.value == "")
     {alert("Please tell us your email address");
      return false}
    if (loForm.comment.value == "")
     {alert("Please tell us your comments");
      return false}
     return true
   }

   function maillistCheck()
   {
    returntype=false;
    var loForm = document.maillist;
    if (loForm.email.value == "")
     {alert("Please enter your email address");
      return false}
     return true
   }

   function changeContent(TableID, RowNumber, CellNumber, NewContent)
   {
    var x=document.getElementById(TableID).rows
    var y=x[RowNumber].cells
    y[CellNumber].innerHTML=NewContent
   }