<form name=”foo” onsubmit=”return false”>

<form onsubmit=”submitForm(event)”><br /> <input type=”text”><br /> <input type=”submit”><br /> </form></p> <p><script type=”text/javascript”></p> <p> function submitForm(event){<br /> event.preventDefault();</p> <p> }<br /> </script>

event.preventDefault();

<br /> <button>will submit</button><br /> <button type=”button”>will prevent</button>