function getStyleDivLogin()
   {
	  var temp = document.getElementById("divLogin").style.visibility;	  
	  return temp;
   }

 function showLogin()
  {

	  var current = getStyleDivLogin();

	  if( current == "visible" )
	   {
		 document.getElementById("divLogin").style.visibility = "hidden";
	   }
	   else
	   {
		 document.getElementById("divLogin").style.visibility = "visible";
	   }
  }

function tampilkanLogin()
{
	document.getElementById("divLogin").style.visibility = "visible";
	document.getElementById("TB_overlay").style.visibility = "visible";
	
	//document.getElementById("btnLogin").style.display = "none";
	//document.getElementById("btnLogin").style.visibility = "hidden";
	
	//document.getElementById("btnLogout").style.display = "block";
	//document.getElementById("btnLogout").style.visibility = "visible";
}

function sembunyikanLogin()
{
	document.getElementById("divLogin").style.visibility = "hidden";
	document.getElementById("TB_overlay").style.visibility = "hidden";
}