function toggle_val(field, val) {
	if (field.value == val)
		field.value = '';
	field.onblur = function() {
		if (field.value == '')
			field.value = val;
	}
}

function mailLink(alias, dom) {
	liame = alias + String.fromCharCode(64) + dom;
	return '<a href="mailto:' + liame + '">' + liame + '</a>';
}