function checkClientLogin () {
	var check	 = true;
	var message	 = "";
	var login	 = document.clientLogin.client_account_name.value;
	var password = document.clientLogin.client_account_password.value;
	login		 = login.replace(/^\s+/,"");
	login		 = login.replace(/\s+$/,"");
	password	 = password.replace(/^\s+/,"");
	password	 = password.replace(/\s+$/,"");
	if (login.length == 0) {
		message += "Please fill in \"Client Login\" field.\n";
		check = false;
	}
	if (password.length == 0) {
		message += "Please fill in \"Password\" field.\n";
		check = false;
	}
	if (! check) {
		alert(message);
	}	
	return (check);
}