| <html> | |
| <head> | |
| <script> | |
| function showHide() { | |
| document.body.offsetWidth; | |
| document.getElementById('b').style.display = 'none'; | |
| document.getElementById('a').style.display = 'block'; | |
| document.body.offsetWidth; | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <input type="radio" onclick="showHide()"> | |
| <br> | |
| <div id="a" style="position:absolute; display:none"></div> | |
| <div id="b" style="position:absolute"></div> | |
| <script> showHide(); </script> | |
| </body> | |
| </html> |