function validate_form(thisform){
	with (thisform){
		if (validate_email(email,"Email is not valid")==false){
			email.focus(); return false;
		}
		
		if (validate_required(username,"Username is not valid")==false){
			username.focus(); return false;
		}
		
		if (validate_required(password,"Password is not valid")==false){
			password.focus(); return false;
		}										
				
	}
	return true;
}