function clearFormField(value,field_id) {
		var username_field = document.getElementById(field_id);
		if (username_field.value == value) {
			username_field.value='';
		}
	}
	function resetFormField(value,field_id) {
		var username_field = document.getElementById(field_id);
		if (username_field.value.length < 1) {
			username_field.value=value;
		}
	}