function chkLogin(e) {
	var w3DOM = window.addEventListener;
	var dsLogin = document.getElementById("nmLoginAccess");
	var dsPassword = document.getElementById("dsPasswordAccess");
	var msgError = '';

	if(trim(dsLogin.value) == '') {
		msgError += "- Preencha o campo Login\n";
	}

	if(trim(dsPassword.value) == '') {
		msgError += "- Preencha o campo Senha\n";
	}

	if(msgError != "") {
		alert(msgError);
		if(w3DOM) {
			e.preventDefault();
		}
		else {
			return false;
		}
	}
}

function showDetail(e) {
	var obj = document.getElementById("securityMsg");
	if(getStyle(obj, "display") == "none") {
		obj.style.display = "block";
	}
	else {
		obj.style.display = "none";
	}
}

function init() {
	var frmLogin = document.getElementById("frmLogin");
	var securityBanner = document.getElementById("securityBanner");
	var closeMsg = document.getElementById("closeMsg");

	addEvent(frmLogin, "submit", chkLogin);
	addEvent(securityBanner, "click", showDetail);
	addEvent(closeMsg, "click", showDetail);
}

addEvent(window, "load", init);