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


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


function cs_clearListElements(whatElement)
{
  var e = $(whatElement);
  while(e.options.length>0)
    e.remove(0);
} // cs_clearListElements


function cs_addListElement(whatElement,whatItem,whatValue)
{
  var e = $(whatElement);
  var len = e.options.length;
  e.options[len] = new Option(whatItem,whatValue,false,false);
} // cs_addListElement


function cs_setListingElements()
{
  var args = cs_setListingElements.arguments;
  var target = args[0];
  cs_clearListElements(target);
  for(i=1;i<args.length;i++)
    cs_addListElement(target,args[i],args[i]);
} // cs_setListingElements