function expandElement(elementId)
{
  myElement = document.getElementById(elementId) ;
  myElementIcon = document.getElementById(elementId+'_icon') ;
  if (myElement.style.display=='none') {
//this is correct, but doesn't work for IE6
//    myElement.style.display = 'table-row' ;
//this seems to work for IE6 and Safari
    myElement.style.display = '' ;
    if (myElementIcon) { myElementIcon.src = '/Art/ExpandMinus.gif' ; } ;
  }
  else {
    myElement.style.display = 'none' ;
    if (myElementIcon) { myElementIcon.src = '/Art/ExpandPlus.gif' ; } ;
  } ;
}