function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1; 
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
return "";
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function closepopup()
{
document.getElementById("popup_layer").style.display = "none";
document.getElementById("thewindowbackground").style.display = "none";
}

function popup()
{
document.getElementById("popup_layer").style.display = "block";
document.getElementById("thewindowbackground").style.display = "block";
}
function closeWindow() {
	setTimeout(function() 
		{
			closepopup();
		}, 10000);
	}

function checkCookie()
{
	//divpopup=getCookie('divpopup');
	//if (divpopup==null || divpopup=="")
	//{ setCookie('divpopup','namlun',1);
	  popup();
	  closeWindow();
	//}
}