function changeSource(choice)
{
document.getElementById("results").src="xml/"+choice+new_date+".xml"
competition=choice
document.getElementById('year').innerHTML=new_date
if (competition == "slide")
  document.getElementById('comp').innerHTML="Slides";
else if (competition == "cprints")
  document.getElementById('comp').innerHTML="Color Prints";
else if (competition == "bwprints")
  document.getElementById('comp').innerHTML="Black and White Prints";
else if (competition == "necccd")
  document.getElementById('comp').innerHTML="NECCC Digital Competition";
}
function changeDate (choice)
{
new_date=choice
changeSource(competition)
}