// ATC JavaScript
  var timer;
  
  function switchCase(case_id, num_id, clear){
    document.getElementById('case1').style.display = "none";
    document.getElementById('case2').style.display = "none";
    document.getElementById('case3').style.display = "none";
    document.getElementById('case4').style.display = "none";
    document.getElementById('case5').style.display = "none";
    document.getElementById('case6').style.display = "none";
    document.getElementById('case7').style.display = "none";
    document.getElementById(case_id).style.display = "block";
    
    document.getElementById('num1').style.color = "#ffffff";
    document.getElementById('num2').style.color = "#ffffff";
    document.getElementById('num3').style.color = "#ffffff";
    document.getElementById('num4').style.color = "#ffffff";
    document.getElementById('num5').style.color = "#ffffff";
    document.getElementById('num6').style.color = "#ffffff";
    document.getElementById('num7').style.color = "#ffffff";
    document.getElementById(num_id).style.color = "#000000";
    
    if(clear){
      clearTimeout(timer);
    }
  }
  
  function rotateCase(num){
    var num_cases = 7; 
    var case_id = "case"+num;
    var num_id = "num"+num;
    switchCase(case_id, num_id, 0);

    num++;
    if (num > num_cases) num = 1; 
    timer = setTimeout("rotateCase("+num+")",10000);
  }
  
  function openContest(URL)
  {
    day = new Date();
    id = day.getTime();
    eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=450,height=640,left = 299.5,top = 64');");
  }

  function reveal(id)
  {
    document.getElementById(id).style.display = 'block';
  }
  
  function hide(id)
  {
    document.getElementById(id).style.display = 'none';
  }
  
  function onA(obj, id)
  {
    document.getElementById(id).style.display = 'block';
    obj.className='over';
  }
  
  function offA(obj)
  {
    obj.className='';
  }
  
  function changeQuote(qnum)
  {
    var num_quotes = 15; 

    for (var q = 0; q < num_quotes; q++) {
      var elem = "quote"+q;
      document.getElementById(elem).style.display = "none";
    }
    var elem = "quote"+qnum;
    document.getElementById(elem).style.display = "block";
    qnum++;
    if (qnum == num_quotes) qnum = 0; 

    setTimeout("changeQuote("+qnum+")",8000);
  }