<SCRIPT language=javascript> <!-- function handleEnter (field, event) { var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode; if (keyCode == 13) { var i; for (i = 0; i < field.form.elements.length; i++) if (field == field.form.elements[i]) break; i = (i + 1) % field.form.elements.length; field.form.elements[i].focus(); return false; } else return true; } //--> </script> <form> 姓名:<input type="text" onkeypress="return handleEnter(this, event)"><br> 单位:<input type="text" onkeypress="return handleEnter(this, event)"><br> 地址:<input type="text" onkeypress="return handleEnter(this, event)"><br> 介绍:<input type="text" onkeypress="return handleEnter(this, event)"><br>