function expand(s){
  var td = s;
  var d = td.getElementsByTagName("div").item(0);
  d.className = "menuHover";
}
function collapse(s){
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  d.className = "menuNormal";
}

function submit_login(e)
{
    if (typeof e != 'undefined' && !enter_key_trap(e)) {
        return;
    }

    if (document.imp_login.imapuser.value == "") {
        alert('Please provide your username.');
        document.imp_login.imapuser.focus();
        return false;
    } else if (document.imp_login.pass.value == "") {
        alert('Please provide your password.');
        document.imp_login.pass.focus();
        return false;
    } else {
        document.imp_login.loginButton.disabled = true;
        document.imp_login.submit();
        return true;
    }
}

function setItem(s){
	var d  = s.getElementsByTagName("div").item(0);
	var st = d.style.display;

	var a  = s.getElementsByTagName("a").item(0);
	
	if (st == "block"){
		d.style.display="none";
		a.className = "close";
	}else{
		d.style.display="block";
		a.className = "open";
	}
}