<html> <script language="JavaScript"> function function1(){ if(myBody.style.overflow=="auto"){ myBody.style.overflow="scroll"; myButton.value="Set overflow to hidden."; results.innerText="overflow is set to scroll."; return false; } if (myBody.style.overflow=="scroll"){ myBody.style.overflow="hidden"; myButton.value="Set overflow to auto"; results.innerText="overflow is set to hidden."; return false; } if(myBody.style.overflow=="hidden"){ myBody.style.overflow="auto"; myButton.value="Set overflow to scroll"; results.innerText="overflow is set to auto."; return false; } } </script> <body id="myBody" bottommargin="150" style="overflow:auto"> <div id="results" style="color:red">overflow is set to auto.</div> <br> <input id=myButton type=button value="Set overflow to scroll" onclick="function1();"> </body> </html>