function getElementReference(elementId)
{
  var value=false;

  if(document.layers)
    value=document.layers[elementId];
  else
  {
    if(document.all)
      value=document.all[elementId];
    else
      if(document.getElementById)
        value=document.getElementById(elementId);
  }

  return value;
}

function getStyleReference(elementId)
{
  var value=false;

  if(getElementReference(elementId))
  {
    value=getElementReference(elementId);
    if(!document.layers)
      value=value.style;
  }

  return value;
}