var pic = null var popImg = null // use this when referring to pop-up image var picTitle = null var imgCount = 0 var imgWinName = "popImg" function openPopImg(picName, windowTitle, windowWidth, windowHeight){ closePopImg() picTitle = windowTitle imgWinName = "popImg" + imgCount++ //unique name for each pop-up window popImg = window.open(picName, imgWinName, "toolbar=no,scrollbars=no,resizable=no,width=" + (parseInt(windowWidth)+20) + ",height=" + (parseInt(windowHeight)+15)) } function closePopImg(){ // close pop-up window if it is open if (navigator.appName != "Microsoft Internet Explorer" || parseInt(navigator.appVersion) >=4) //do not close if early IE if(popImg != null) if(!popImg.closed) popImg.close() } function setStatus(msg){ status = msg return true } //--> // for Netscape 3+ and IE 4+