// uncompress a query string into an object so you can do server-side like stuff in javascript.

function objectFromQueryString(query) {
 var params = new Object();
 var pairs = query.split("&");
 for (var i = 0; i < pairs.length; i++) {
 var pos = pairs[i].indexOf('=');
 if (pos == -1) continue;
 var argname =pairs[i].substring(0,pos);
 var value = pairs[i].substring(pos + 1);
 params[argname] = unescape(value);
 }
return params;
}

function GetCookie (name) {  
var arg = name + "=";  
var alen = arg.length;  
var clen = document.cookie.length;  
var i = 0;  
while (i < clen) {    
var j = i + alen;    
if (document.cookie.substring(i, j) == arg)      
return getCookieVal (j);    
i = document.cookie.indexOf(" ", i) + 1;    
if (i == 0) break;   
}  
return null;
}

function getCookieVal(offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}


a = objectFromQueryString(location.search.substring(1));
if (a["thankyou"]=="yes") {
  document.write ('Thank you for registering. Please click on the document title to download a PDF.');
}