Hello, I'm trying to open a popup window to write text to this window,to print it and then in the next loop to write over on he same popup window a new text and to print the new one. Can anyone help me with it? this is what I do: var popup =window.open('','popup','toolbar=no,menubar=no,width=200,height=150'); popup.document.open(); for(i=0;i < counter;i++){ popup.document.write("<html><head>"); popup.document.write("<link type='text/css' media='print' rel='stylesheet' href='/css/print_modules.css' />"); popup.document.write("</head><body onload='print()'>"); popup.document.write(invoice_text); popup.document.write("</body></html>"); popup.document.close(); thanks in advance!