Hello everybody, i hope some one can helpme, i need iframe and im using the next code: <style type="text/css"> body { margin: 0px; } .overflow-x: hidden; </style> <p> <input type="button" onClick="test.location.href='MYURL';document.getElementById('test').frameBorder=1" value="Servidor 1" > <input type="button" onClick="test.location.href='MYURL';document.getElementById('test').frameBorder=1" value="Servidor 2" > <input type="button" onClick="test.location.href='MYURL';document.getElementById('test').frameBorder=1" value="Servidor 3" > <input type="button" onClick="test.location.href='MYURL';document.getElementById('test').frameBorder=1" value="Servidor 4" > </p> <iframe src="MYURL" marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no" name="test" id="test" width=660 height=1100></iframe> PHP: The problem is, the start page show wihout the margin, but when the user click in some button show the iframe with a margin in firefox, in IE no, but how i can make for dont show any margin in ff and ie. i hope somebody can helpme