<!--
function submitenter(myfield,e)
{
var keycode;
if (window.event) keycode = window.event.keyCode;
else if (e) keycode = e.which;
else return true;

if (keycode == 13)
   {
   myfield.form.submit();
   return false;
   }
else
   return true;
}
//-->

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 null
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date()
exdate.setTime(exdate.getTime()+(expiredays*24*3600*1000))
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : "; expires="+exdate)
}

function checkCookie()
{
username=getCookie('username')
if (username)
  {
document.write("WELCOME BACK!"); 
}
else 
  {
  username="returnvisitor";
    setCookie('username',username,365)
    }
}

function checkSurveyCookie()
{
surveyresponse=getCookie('surveyresponse')
if (surveyresponse)
  {
document.write("You have already completed this survey"); 
}
else 
  {
  surveyresponse="YES";
    setCookie('surveyresponse',surveyresponse,7)
    }
}