function isEnter(e){
var characterCode;
if(e && e.which){
characterCode = e.which;
}
else{
characterCode = e.keyCode;
}
if(characterCode == 13){
return true;
}
else{
return false;
}

}
function dologin()
{
document.getElementById('responselogin').innerHTML='checking... please wait.';
requestlogin(document.getElementById('responselogin'),'nama='+document.getElementById('nama').value+'&nama2='+document.getElementById('nama2').value);
}
function gradient(id, level)
{
	var box = document.getElementById(id);
	box.style.opacity = level;
	box.style.MozOpacity = level;
	box.style.KhtmlOpacity = level;
	box.style.filter = "alpha(opacity=" + level * 100 + ")";
	box.style.display="block";
	return;
}

function boxfadein(id) 
{
	var level = 0;
	while(level <= 1)
	{
		setTimeout( "gradient('" + id + "'," + level + ")", (level* 1000) + 10);
		level += 0.01;
	}
}

// Open the lightbox
function openbox(formtitle, fadin)
{
  var box = document.getElementById('box'); 
  document.getElementById('filter').style.display='block';

  var btitle = document.getElementById('boxtitle');
  btitle.innerHTML = formtitle;
  
  if(fadin)
  {
	 gradient("box", 0);
	 boxfadein("box");
  }
  else
  { 	
    box.style.display='block';
  }
  document.getElementById('nama').focus();
  document.getElementById('nama').value='';
  document.getElementById('nama2').value='';
  document.getElementById('responselogin').innerHTML='';
}

// Close the lightbox
function closebox()
{
   document.getElementById('box').style.display='none';
   document.getElementById('filter').style.display='none';
}

function requestlogin(s,p)
{
var xmlhttp;
if (window.XMLHttpRequest){xmlhttp=new XMLHttpRequest();}
else if (window.ActiveXObject){xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");}
else
  {
  alert("Your browser does not support XMLHTTP!");
  }
xmlhttp.onreadystatechange=function()
{
if(xmlhttp.readyState==4){s.innerHTML=xmlhttp.responseText;
if(xmlhttp.responseText=='success') {s.innerHTML='success.<a href="dpanel_news.php">click here if not redirected</a>';window.parent.document.location.href='dpanel_news.php';}
}
}
xmlhttp.open("POST","login.php",true);
xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xmlhttp.setRequestHeader("Content-length", p.length);
xmlhttp.setRequestHeader("Connection", "close");
xmlhttp.send(p);
}