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function tvTomorrow(){window.location="http://tvlistings.zap2it.com/partners/editorial_link.asp?partner_id=det&url=http://tv.zap2it.com/shows/bestbets/tv/include/" + tvNames[tvThisday + 1]}
function tvSportsToday(){window.location="http://tvlistings.zap2it.com/partners/editorial_link.asp?partner_id=det&url=http://tv.zap2it.com/shows/bestbets/sports/" + tvNames[tvThisday]}
function tvSportsTomorrow(){window.location="http://tvlistings.zap2it.com/partners/editorial_link.asp?partner_id=det&url=http://tv.zap2it.com/shows/bestbets/sports/" + tvNames[tvThisday + 1]}
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document.write('<img src="/pix/folios/dot.gif" onLoad=\'Poll(); return true;\' width="1" height="1" border="0">');

// this script implements the survey strategy. After number of pages visited is equal to or
// greater than 'stickFactor' apply the 'samplePercentage' rule to determine if this visitor
// gets the survey.
// CustomerName: Detroit News Content

// ************* configuration variables - change the values, NOT THE NAMES **************
// minimum number of pages viewed before we survey the user, range: positive integer
var stickFactor = 4;

// this variable when set to 1 will prevent the trigger from performing its
// function
var disableTrigger = 0;

// percentage of visitors to randomly sample, range: 1-100
var samplePercentage = 5;

// number of minutes the persistent cookie should last - this prevents a user from
// getting multi-surveyed in this time period. This variable is ignored if we are
// not using persistent cookies. (1440 minutes per day), range: positive integer
var resampleWait = 129600; 

// this variable will override resampleWait in the event that persistent cookies
// are not allowed by the client, range 1 or 0
var noPersistentCookies = 0;

// this is the base URL to the survey engine
var popUpURL = "http://www.foreseeresults.com/survey/display";

// this is our customer's unique customer id
var customerId = "QKfTcEwBbv6Sp6XUTPCB5w";

// this is out customer's unique model instance id for this survey's model
var modelInstanceId = "p+O7H5m4aqdmM/ndJDLIJg";

// the name of the pop up window
var popUpWinName = "survey";

// if this variable is set to 1,the window pops under rather than up, range: 1 or 0
var popUnder = 0;

// these are the dimensions of the pop up window
var popUpWidth = 410;
var popUpHeight = 500;

// the name of the persistent or session cookie to prevent multi-surveying in a given time period
var ckAlreadyShown = "foreseeSurveyShown";

// the name of the cookie that counts the minimum pages viewed with the trigger code in them
var ckStickyCount = "foreseePagesViewed";

// the name of the cookie that implements the surveying 'sample-percentage' algorithm
var ckSamplePercentage = "foreseeSamplePerc";

// this is the default value of customer passed parameters which can be overridden
// by additional JavaScript inside the selected page AFTER inclusion of this page
var customerParams = null;

// ************ don't modify below this line *************
// set persistent cookie expiration if we are using it, otherwise it is a session cookie
var expDate = new Date();
var now = new Date();
var persistentExpires = new Date();
persistentExpires.setTime(persistentExpires.getTime() + (resampleWait*60*1000));

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 SetCookie (name, value) {
    var argv = SetCookie.arguments;
    var argc = SetCookie.arguments.length;
    var expires = (argc > 2) ? argv[2] : null;
    var path = (argc > 3) ? argv[3] : null;
    var domain = (argc > 4) ? argv[4] : null;
    var secure = (argc > 5) ? argv[5] : false;
    document.cookie = name + "=" + escape (value) +
    ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
    ((path == null) ? "" : ("; path=" + path)) +
    ((domain == null) ? "" : ("; domain=" + domain)) +
    ((secure == true) ? "; secure" : "");
}

function DeleteCookie (name) {
    var exp = new Date();
    exp.setTime (exp.getTime() - 1);
    var cval = GetCookie (name);
    document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

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

// check whether or not this browser supports focus() on windows
function supportsFocus() {
	// get user agent string
	var userAgent = navigator.userAgent;
	// find IE version label in user agent string if it exists
	var realMSVersionAt = userAgent.indexOf("MSIE");

	if (realMSVersionAt == -1) {
		// must be netscape
		return true;
	} else {
		// IE browser, see which one
		var nameAndVersion = userAgent.substring(realMSVersionAt, realMSVersionAt + 6);
		var realMSVersion = nameAndVersion.charAt(5);
		if(realMSVersion >= 5) {
			return true;
		} else {
			return false;
		}
	}
}

// special URL escapes for chars which don't escape using built-in
// escape() function in JavaScript. Currently these are '+', '/', '?', '='
// which are part of the Base64 character set
function specialEscape(s) {
	var encoded = "";
	
	// escape '+' characters
	var tokens = s.split('+');
	for(var i = 0; i < tokens.length; i++) {
		encoded += tokens[i];
		if(i < (tokens.length - 1)) {
			encoded += "%2B"; // %2B is the hex escape for '+'
		}
	}
	
	var t = encoded;
	encoded = "";
	// escape '/' characters
	var tokens = t.split('/');
	for(var i = 0; i < tokens.length; i++) {
		encoded += tokens[i];
		if(i < (tokens.length - 1)) {
			encoded += "%2F"; // %2F is the hex escape for '/'
		}
	}
	
	var t = encoded;
	encoded = "";
	// escape '?' characters
	var tokens = t.split('?');
	for(var i = 0; i < tokens.length; i++) {
		encoded += tokens[i];
		if(i < (tokens.length - 1)) {
			encoded += "%3F"; // %3F is the hex escape for '?'
		}
	}
	
	var t = encoded;
	encoded = "";
	// escape '=' characters
	var tokens = t.split('=');
	for(var i = 0; i < tokens.length; i++) {
		encoded += tokens[i];
		if(i < (tokens.length - 1)) {
			encoded += "%3D"; // %3D is the hex escape for '='
		}
	}
	
	return encoded;
}

function Poll() { // catch onUnload or onLoad event, set in page BODY tag

    if(disableTrigger == 1) {
        return;
    }

    var stickyCounter = GetCookie(ckStickyCount); // check counter cookie
    var alreadyShown = GetCookie(ckAlreadyShown); // check if we already have shown survey
    var pageCount;

    var randNum = Math.random();
    randNum *= 100;
    SetCookie(ckSamplePercentage, randNum); // only for diagnostics

    if (stickyCounter == null) {
        // no cookie, create a new one and set it to 1. We use this to monitor
        // stickiness
        pageCount=1;
        SetCookie(ckStickyCount, pageCount);
    } else {
        // already a cooke - see if we have reached the pages viewed requirement
        pageCount = stickyCounter;
        if(pageCount >= stickFactor) {
            // apply the samplingPercentage algorithm
            if(alreadyShown == null) {
            	// only if we haven't already served them a survey
                if(randNum <= samplePercentage) {
    	    	    var winOptions = "width=" + popUpWidth + ",height=" + popUpHeight + ",resizable=no,scrollbars=yes";
    	    	    if(customerParams != null) {
    	    	        fullURL += customerParams;
    	    	    }
    	    	    var fullURL = popUpURL + "?" + "cid=" + specialEscape(customerId) + "&mid=" + specialEscape(modelInstanceId);
 	            var myPopUp = window.open(fullURL, popUpWinName, winOptions);
		    if(supportsFocus()){
			    // handle pop-under functionality
			    if(popUnder == 1) {
				self.focus();
			    } else {
				myPopUp.focus();
			    }
		    }
	            // insure that we only pop up once during the lifetime of the cookie
	            if(noPersistentCookies == 1) {
	            	SetCookie(ckAlreadyShown, 'true',null,'/');
	            } else {
	            	SetCookie(ckAlreadyShown, 'true', persistentExpires,'/');
	            }
	        }
	    }
        }
        // increment it and set the new cookie value
        pageCount++;
        SetCookie(ckStickyCount, pageCount);
    }


}