var intTimerDelay = 5; // seconds
var strSVHeaderImageId = "idSVMainContentHeader";
var strHeaderLabelId = ""; // leave blank for no label

var intTimerNum = 0;
var tmrSVHeaderSliderTimer = "";

function fncSVHeaderSlideNumberRange(intSlideNum) {
  if (typeof(aSVHeaderImageArray) == "object") {
    if (intSlideNum < 0) { intSlideNum = aSVHeaderImageArray.length - 1; }
    if (intSlideNum >= aSVHeaderImageArray.length) { intSlideNum = 0; }
  }
  return intSlideNum;
}

function fncSVHeaderSlide(intSlideNum, strImageId, strLabelId) {
  if (typeof(aSVHeaderImageArray) == "object") {
    if (document.getElementById(strImageId)) {
      document.getElementById(strImageId).src = aSVHeaderImageArray[intSlideNum][0];
      document.getElementById(strImageId).alt = aSVHeaderImageArray[intSlideNum][1];
    }
    if (document.getElementById(strLabelId) && aSVHeaderImageArray[intSlideNum][2].length() > 0) {
      document.getElementById(strLabelId).innerHTML = aSVHeaderImageArray[intSlideNum][2];
    }
  }
}

function fncSVHeaderSlideJump() {
  var intJumpValue = 1;
  if (arguments[0]) { intJumpValue = arguments[0]; }
  intTimerNum = fncSVHeaderSlideNumberRange(intTimerNum + intJumpValue);
  fncSVHeaderSlide(intTimerNum, strSVHeaderImageId, strHeaderLabelId);
  clearTimeout(tmrSVHeaderSliderTimer);
  tmrSVHeaderSliderTimer = setInterval("fncSVHeaderSlideJump()",5000);
}

function fncSVHeaderSlideStart() {
  if (arguments[0]) {
    if (typeof(aSVHeaderImageArray) == "object") {
      if(!aSVHeaderImageArray[aSVHeaderImageArray.length -1]) aSVHeaderImageArray.pop(); // fix for IE array.length error
      aSVHeaderImageArray.sort(function() {return 0.5 - Math.random()});
    }
  }
  fncSVHeaderSlideJump();
}