var pic = null
var popImg = null
var picTitle = null
var imgCount = 0
var imgWinName = "popImg"

  function openPopImg(picName, windowTitle) {
  	closePopImg()
  	picTitle = windowTitle
  	imgWinName = "popImg" + imgCount++
  	var urld= "/js/popup.php?pic="+picName+"&picdesc="+picTitle ;
	popImg = window.open(urld,imgWinName,"toolbar=no,scrollbars=yes,location=no,titlebar=no,resizable=yes,width=550,height=550")
  }
  
  function closePopImg() {
  	if (navigator.appName != "Microsoft Internet Explorer"
      	|| parseInt(navigator.appVersion) >=4)
    if(popImg != null) if(!popImg.closed) popImg.close() ;
  }