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.toUTCString());
}

function checkCookie()
{
visited=getCookie('surveycheck');
if (visited=="checked")
  {
  //alert('Welcome again '+username+'!');
  }
else
  {
  
        $(function() {
        $( "#window" ).dialog({
      			modal: true,
      			width: 500,
      			title: "PEFC Survey",
      			buttons: {
      				"GO TO SURVEY": function() {
      					$(location).attr('href',"survey_redirect.asp");
      				}
      			}
      		});
        });
  
    //setCookie('visited','true',365);

  }
}

checkCookie();