function MM_openBrWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}



function imageSwap(daImage, daSrc){
  var objStr,obj;

  if (document.images) {
    if (typeof(daImage) == 'string') {
      objStr = 'document.' + daImage;
      obj = eval(objStr);
      obj.src = daSrc;
    } else if ((typeof(daImage) == 'object') && daImage && daImage.src) {
      daImage.src = daSrc;
    }
  }
}


var overImage = "";
var clickImage = "";
var imageDir = "images/buttons/";


function SetButton(targetImage, eventType)
{
  if (typeof(targetImage) == "undefined")
    return;

  if (eventType == "_out") {
    if (targetImage != clickImage) {
      imageSwap(targetImage, imageDir + targetImage.name + "_out.gif");
      overImage = "";
    }
  } else if (eventType == "_over") {
    if (targetImage != overImage && targetImage != clickImage) {
      imageSwap(targetImage, imageDir + targetImage.name + "_over.gif");
      overImage = targetImage;
    }
  } else {
    if (targetImage != clickImage) {
      if (clickImage != "")
        imageSwap(clickImage, imageDir + clickImage.name + "_out.gif");
      imageSwap(targetImage, imageDir + targetImage.name + "_click.gif");
      clickImage = targetImage;
      overImage = "";
    }
  }
}

function SetOut(targetImage)
{
  SetButton(targetImage, "_out");
}

function SetOver(targetImage)
{
  SetButton(targetImage, "_over");
}

function SetClick(targetImage)
{
  SetButton(targetImage, "_click");
}