window.onload = function ShowString(what){
	document.bulletin.buletin_user.value = "user name";
	document.bulletin.user_mail.value = "user@mail.bg";
}

function hidString(which){
	document.bulletin.eval(which).value = "";
}

function validate(){
	mail = document.bulletin.user_mail.value;
	user = document.bulletin.buletin_user.value;
	if(mail.indexOf('@') == -1 && mail.indexOf('.') == -1 || mail == "user@mail.bg" || mail.indexOf(" ") != -1){
		alert("Въвели сте невалиден e-mail");
		return false;
	}
	document.bulletin.submit();
}