var imgInterval; var counter = 0; var maxTries = 60; function openImageWindow(image) { if ((image.width > 0) && (image.height > 0)) { newwin = open("", 'image_window', 'toolbar=0,status=0,menubar=0,scrollbars=0,resizable=1,width='+(image.width)+',height='+(image.height)); newwin.document.write(''); newwin.document.write('

'); newwin.document.write(''); newwin.document.close(); clearInterval(imgInterval); return true; } else { counter++; if (counter >= maxTries) { clearInterval(imgInterval); } return false; } } function popImage(imgUrl) { image = new Image(); image.src = imgUrl; if (!(openImageWindow(image))) { imgInterval = setInterval('openImageWindow(image);', 1000); } }