function cs_disableElement(whatElement)
{
  $(whatElement).setStyle({display: 'none'});
} // cs_disableElement


function cs_enableElement(whatElement)
{
  $(whatElement).setStyle({display: 'block'});
} // cs_enableElement


function cs_setBackground(whatElement,whatImage)
{
  theDiv = $(whatElement);
  theDiv.style.backgroundImage = "url(" + whatImage + ")";
}

function cs_setValue(whatElement,whatValue)
{
  var e = $(whatElement);
  e.innerHTML = whatValue;
}