var myWindow;
var popImage;
function openImgWindow(theURL,imgName) {
  if (!myWindow) winOpen(theURL,imgName);
  else if (myWindow.closed) winOpen(theURL,imgName);
  else myWindow.focus();
}
function winOpen(theURL,imgName) {
  var winName = "popImgWin";
  var features = "toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=yes,width=200,height=200"
  popImage = imgName;
  myWindow = window.open(theURL,winName,features);
  setTimeout("myWindow.document.images.popImage.src=popImage;",3000);
}
function popWin(fileName,winHeight,winWidth,winScroll) {
  if (arguments.length < 3) winWidth = 400;
  if (arguments.length < 4) winScroll = 0;
  openParms = "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars="
  openParms += winScroll + ",resizable=1,width="
  openParms += winWidth + ",height="+winHeight
  windowName = "popWin";
  window.open(fileName,windowName,openParms)
}
var gImgObj;
var gImgPref;
var gImgCnt;
var gImgIval = 0;
function imgTimer(imgObj,imgPref,imgCnt) {
  gImgObj = imgObj;
  gImgPref = imgPref;
  gImgCnt = imgCnt;
  setTimeout("getImage();",gImgIval);
  gImgIval = 8000;
}
function getImage() {
	var imgSuf = new String(Math.round(Math.random() * (gImgCnt - 1)));
  gImgObj.src = gImgPref + imgSuf + ".jpg";
}