function checkLogin(btn){
	try{
		if((btn && btn.id) || YAHOO.util.Event.getCharCode(event)==13){
			var elUser = YAHOO.util.Dom.get("lnUser");
			var elPass = YAHOO.util.Dom.get("lnPass");
			if(isEmpty(elUser.value) || elUser.value.length<5){
				return warnInvalid(elUser,"Please enter a valid username.");
			};
			if(isEmpty(elPass.value) || elPass.value.length<6){
				return warnInvalid(elPass,"Please enter a valid password.");
			};
			var todo = YAHOO.util.Dom.get("todo");
			todo.value = "login";
			var frm = YAHOO.util.Dom.get("loginForm");
			if(frm){
				frm.submit();	
			};
		};
	}catch(e){}
};

function resetPassword(btn){
	var elUser = YAHOO.util.Dom.get("lnUser");
	if(isEmpty(elUser.value) || elUser.value.length<5){
		return warnInvalid(elUser,"Please enter a valid username.");
	};
	var todo = YAHOO.util.Dom.get("todo");
	todo.value = "reset";
	var frm = YAHOO.util.Dom.get("loginForm");
	frm.submit();
}

YAHOO.util.Event.addListener(YAHOO.util.Dom.get("lnUser"),"keyup",checkLogin);
YAHOO.util.Event.addListener(YAHOO.util.Dom.get("lnPass"),"keyup",checkLogin);