function checkEnter(e) {
	var characterCode

	if (e && e.which) {
		e = e
		characterCode = e.which
	} else {
		e = event
		characterCode = e.keyCode
	}
	
	if(characterCode == 13) {
		document.forms[0].submit()
		return false
	} else {
		return true
	}

}