// This next little bit of code tests whether the user accepts cookies.
var WM_acceptsCookies = false;
if(document.cookie == '') {
document.cookie = 'WM_acceptsCookies=yes'; // Try to set a cookie.
if(document.cookie.indexOf('WM_acceptsCookies=yes') != -1) {
WM_acceptsCookies = true; 
}// If it succeeds, set variable
} else { // there was already a cookie
WM_acceptsCookies = true;
}

function WM_setCookie (name, value, hours, path, domain, secure) {
if (WM_acceptsCookies) { // Don't waste your time if the browser doesn't accept cookies.
var not_NN2 = (navigator && navigator.appName 
&& (navigator.appName == 'Netscape') 
&& navigator.appVersion 
&& (parseInt(navigator.appVersion) == 2))?false:true;
if (!hours) 
hours = 2000;
if(hours && not_NN2) { // NN2 cannot handle Dates, so skip this part
if ( (typeof(hours) == 'string') && Date.parse(hours) ) { // already a Date string
var numHours = hours;
} else if (typeof(hours) == 'number') { // calculate Date from number of hours
var numHours = (new Date((new Date()).getTime() + hours*3600000)).toGMTString();
}
}

document.cookie = name + '=' + escape(value) + ((path)?';path=' + path:'') + ((domain)?';domain=' + domain:'') + ((secure && (secure == true))?'; secure':''); // Set the cookie, adding any parameters that were specified.
}
} // WM_setCookie


function WM_readCookie(name) {
if(document.cookie == '') { // there's no cookie, so go no further
return false; 
} else { // there is a cookie
var firstChar, lastChar;
var theBigCookie = document.cookie;
firstChar = theBigCookie.indexOf(name); // find the start of 'name'
var NN2Hack = firstChar + name.length;
if((firstChar != -1) && (theBigCookie.charAt(NN2Hack) == '=')) { // if you found the cookie
firstChar += name.length + 1; // skip 'name' and '='
lastChar = theBigCookie.indexOf(';', firstChar); // Find the end of the value string (i.e. the next ';').
if(lastChar == -1) lastChar = theBigCookie.length;
return unescape(theBigCookie.substring(firstChar, lastChar));
} else { // If there was no cookie of that name, return false.
return false;
}
} 
} // WM_readCookie

function WM_killCookie(name, path, domain) {
var theValue = WM_readCookie(name); // We need the value to kill the cookie
if(theValue) {
document.cookie = name + '=' + theValue + '; expires=Fri, 13-Apr-1970 00:00:00 GMT' + ((path)?';path=' + path:'') + ((domain)?';domain=' + domain:''); // set an already-expired cookie
}
} // WM_killCookie


function customResearch3189719(){
var n = 10000; /* One out of n visitors will be given survey */
var random_num;
var offset = -1;
var timespent;
var cookiename = "NetRakerRID3189719";

random_num = Math.round(n * Math.random());
/*random_num = 1;*/ // uncomment this line to debug, this will trigger the research everytime 
if ((random_num == 1) && (navigator.appName.indexOf('WebTV') == -1)) 
  if (!WM_readCookie(cookiename)) { 
   /* comment this to prompt until they complete the survey */ 
   WM_setCookie(cookiename,'3189719') 
   window.open(
    "/netraker/popup_wb.htm",
    "Custom_Research",
    "WIDTH=230,HEIGHT=200,scrollbars,resizable,status");
}
}