var hotkey = 27;
function keyPress() {
	var el = window.event.srcElement;
	var disable = el != null && (el.tagName == "INPUT" || el.tagName == "TEXTAREA");
	if ((event.keyCode==hotkey) && !(disable))  { 
		if (document.getElementById('login-form').style.display == "none") {
			showLogin();
		}
		else hideLogin();
		return false;
	}
}

function  showLogin() {
	document.getElementById('login-form').style.display = "block";
	document.forms['login'].usr_name.focus();
}

function hideLogin() {
	document.getElementById('login-form').style.display = "none";
	return false;
}

document.attachEvent("onkeypress", keyPress);