The blur() method removes focus from the text box.
<html> <head> <script language="JavaScript"> <!-- function removeFocus(){ document.myForm.myText.blur(); } --> </script> </head> <body> <b>Highlight some of the text in the following text box:</b> <P> <form name="myForm"> <input type=TEXT value="hello world" name="myText"> <input type=BUTTON value="Click to Remove Focus" name="myButton" onClick="removeFocus()"> </form> </body> </html>