var cnnad_tileID = cnnad_getID();

var cnnad_enabled = true;

var cnnad_adIframes = new Array();

// browser detection

var cnnad_IE = (document.all) ? 1 : 0;

var cnnad_DOM = (document.getElementById) ? 1 : 0;

var cnnad_NS4 = (document.layers) ? 1 : 0;

var cnnad_MAC = ( (navigator.appVersion.indexOf("PPC") >0) || (navigator.appVersion.indexOf("Mac") >0) ) ? 1 : 0;

var cnnad_ua = '$User_Agent';

var cnnad_OPERA = (cnnad_ua.indexOf("Opera") > 0) ? 1 : 0;



// flag for geo targetting image

alreadySwappedDETargetImage = false;

var cnnDEadDEonCookie = false;



// document domain security issues

var cnnDocDomain = cnnad_getTld(location.hostname);

if(cnnDocDomain) {document.domain = cnnDocDomain;}



function reverseString (input)

{

	// convert everything to a string

	input = "" + input;

	var output = '';



	if (input.length)

	{

		var i;

		for (i = input.length; i > 0; i--)

		{

			output += input.charAt(i-1);

		}

	}

	return(output);

}



function cnnad_getID() {

	return (reverseString(new Date().getTime()));

}



function cnnad_renderAd(cnnad_url) {

	if(cnnad_enabled == true) {

		document.write("<script type=\"text/javascript\"");

		document.write(" src=\""+cnnad_url+"&tile="+cnnad_tileID+"\"></scr");

		document.write("ipt>");

	}

}



function cnnad_preview(cnnad_adstring) {

//	if ( location.host.indexOf("turner.com") > -1) {

//		// we are on preview (or on local subnet, so we have to use internal names)

//		cnnad_adstring = cnnad_adstring.replace(new RegExp("ads\..*?\.com","gi"),"ads.turner.com");

//	}

	return cnnad_adstring;

}



function cnnad_createAdNoTileId(adId,cnnad_url,cnnad_height,cnnad_width) {

	cnnad_url = cnnad_preview(cnnad_url);

	document.write('<iframe ALLOWTRANSPARENCY="true" hspace="0" vspace="0" marginHeight="0" marginWidth="0" src="' + cnnad_url + '&page.allowcompete=yes&domId=' + adId + '" border="0" frameBorder="0" height="0" width="0" scrolling="no"  id="'+adId+'" style="position: absolute; visibility: hidden;" ></iframe>');

}



function cnnad_createAd(adId,cnnad_url,cnnad_height,cnnad_width) {

	cnnad_url = cnnad_preview(cnnad_url);

	document.write('<iframe ALLOWTRANSPARENCY="true" hspace="0" vspace="0" marginHeight="0" marginWidth="0" src="' + cnnad_url + '&tile=' + cnnad_tileID + '&page.allowcompete=yes&domId=' + adId + '" border="0" frameBorder="0" height="0" width="0" scrolling="no"  id="'+adId+'" style="position: absolute; visibility: hidden;" ></iframe>');

}



function cnnad_writeAd(cnnad_callid,cnnad_url) {

        if(cnnad_enabled == true) {

                document.write("<script id=\"" + cnnad_callid + "\" type=\"text/javascript\" onload=\"cnnSendData();\"");

                document.write(" src=\""+cnnad_url+"&tile="+cnnad_tileID+"\"></scr");

                document.write("ipt>");

        }

}



function cnnad_showAd(cnnad_id) {

	if (document.getElementById(cnnad_id))

	{

		document.getElementById(cnnad_id).style.position = 'relative';

		document.getElementById(cnnad_id).style.visibility = 'visible';

	} else 

	{

		//alert("Error displaying ad component: " + cnnad_id);	

		// just do not display the ad. -sg

	}

}



function cnnad_setAdSize(docId,height,width) {

        if (document.getElementById(docId)) {

                document.getElementById(docId).height = height;

                document.getElementById(docId).width = width;

        }

}



function cnnad_readCookie( name ) {

        if ( document.cookie == '' ) { // there is 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;

                }

        }

}



function cnnad_getTld (hostname)

{

	var data = hostname.split(".");

	if (data.length >= 2)

	{

		return (data[data.length-2] + "." + data[data.length-1]);

	}

	return(null);

}



function cnnad_refreshAds ()

{

    if (! cnnad_adIframes)

    {

        return;

    }



    for (var i = 0; i < cnnad_adIframes.length; i++)

    {

        var cnnad_id = cnnad_adIframes[i];

        if (document.getElementById(cnnad_id))

        {

            var elem = document.getElementById(cnnad_id);

            if (elem.width > 0 && elem.height > 0)

            {

                elem.contentWindow.location.reload();

            }

        }

    }

}



function cnnad_getDEAdHeadCookie( imageRef ) {

	if (typeof(cnnad_readCookie) != "undefined") {

		cnnDEadDEonCookie = cnnad_readCookie( 'adDEon' );

	}

	var newSrc = "http://gdyn." + cnnad_getTld(location.hostname) + "/1.1/1.gif?" + new Date().getTime();

	if ( !alreadySwappedDETargetImage && !cnnDEadDEonCookie) {

		imageRef.src = newSrc;

		alreadySwappedDETargetImage = true;

	}

}



function cnnad_psuedoGetElementById(elm,d) { 

    var p,i,x; if(!d) d=document; if((p=elm.indexOf("?"))>0&&parent.frames.length) {

        d=parent.frames[n.substring(p+1)].document; elm=elm.substring(0,p);

        }

    if(!(x=d[elm])&&d.all) x=d.all[elm]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][elm];

    for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=document.getElementById(elm,d.layers[i].document);

    return x;

}

	

function cnnad_getCoordinates(obj) {

    var point = { x: 0, y: 0 };

    while(obj) {

        point.x += obj.offsetLeft;

        point.y += obj.offsetTop;

        obj = obj.offsetParent;

        }

    return point;

}



function cnnad_whereami(anchorid) {

    var locarr = new Array();

    if(cnnad_NS4) {

        if (document.anchors[anchorid]){

            locarr[0] = document.anchors[anchorid].x;

            locarr[1] = document.anchors[anchorid].y;

            }

        }

    else if(cnnad_DOM) {

        var myanchor = document.getElementById(anchorid);

        var coordinates = cnnad_getCoordinates(myanchor)

        if (myanchor){

            locarr[0] = coordinates.x;

            locarr[1] = coordinates.y;

            }

        }

    else {

	var myanchor = cnnad_psuedoGetElementById(anchorid);

    var coordinates = cnnad_getCoordinates(myanchor)

    if(myanchor.offsetLeft&&myanchor.offsetTop){

        locarr[0] = coordinates.x;

        locarr[1] = coordinates.y;

        }

    }

	return locarr;

}



function cnnad_mTrack(mTrackName,mTrackMax,cName,cExpires) {

	// function for storing float ad views per user, one cookie for all ad spaces.  

  if (arguments.length == 2) {var cName='mediaTrack';}

    var newExp = (cExpires) ? ';expires='+cExpires : '';



    var showAd=true;

    if (!cnnad_readCookie(cName)) {

        newCook=mTrackName +'|' +1;

        document.cookie=(cName +'='  + newCook +";domain=" +cnnDocDomain +";path=/" +newExp);

    	}

    else if (cnnad_readCookie(cName)) {

        oldCook = cnnad_readCookie(cName);

        var thisAH = oldCook.indexOf(mTrackName);

        if (thisAH==-1) {

            newCook=oldCook +'|' +mTrackName +'|' +1;

            document.cookie=(cName +'=' + newCook +";domain=" +cnnDocDomain +";path=/" +newExp);

            }

        else {

            var splitCook = oldCook.split('|');

            var cookPlus; var plusOne;

            for (i=0; i < splitCook.length; i+=2 ) {

                plusOne = i+1;

                if (splitCook[i]==mTrackName) {

                    cookPlus = parseInt(splitCook[plusOne])+1;

                    splitCook[plusOne]=cookPlus;

                    if (cookPlus > mTrackMax) showAd = false;

                    }

                }

            newCook="";

            for (var j=0; j < splitCook.length-1; j+=2) {

                newCook += splitCook[j] + '|' +splitCook[j+1];

                if (j+2 < splitCook.length) {newCook += '|';}

                }

            document.cookie=(cName +'=' + newCook +";domain=" +cnnDocDomain +";path=/" +newExp );

            }

        }

    return showAd;

}



function cnnad_showActiveHeader (numViews, cName, swfFile, clickThrough, flashVersion, left, top) {

	// BEGIN variables

	var domain = ".pgatour.com";

	var ahY=0;

	left = (left ? left : 0);

	top  = (top ? top : 0);

	var hdrPosition = cnnad_whereami('hdr_anchor'); 

	ahY = parseInt(hdrPosition[1]);

	flashVersion = ( flashVersion ? flashVersion : 6 );

	var showHdr = cnnad_mTrack(cName,numViews);

	var writeMe = "";

	var cnnad_hasFlash = detectFlash();

	var cnnad_plugin = (navigator.mimeTypes && navigator.mimeTypes["application/x-shockwave-flash"]) ? navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin : 0;

	if (cnnad_plugin)

	{

		cnnad_plugin = parseInt(cnnad_plugin.description.substring(cnnad_plugin.description.indexOf(".")-1)) >= flashVersion;

		

	}

	else if ( navigator.userAgent && navigator.userAgent.indexOf("MSIE")>=0 

	   && (navigator.userAgent.indexOf("Windows 95")>=0 || navigator.userAgent.indexOf("Windows 98")>=0 || navigator.userAgent.indexOf("Windows NT")>=0)) {

		writeMe='<SCRIPT LANGUAGE=VBScript\> \n'

	    +'on error resume next \n'

	    +'cnnad_plugin = ( IsObject(CreateObject(\"ShockwaveFlash.ShockwaveFlash.' + flashVersion +'\")))\n'

	    +'<\/SCRIPT\> \n';

	    document.write(writeMe);

	    }

//	if (IE && !MAC && cnnad_plugin && showHdr) {

	if (IE && !MAC && cnnad_hasFlash && showHdr) {		

		//  top:' + (ahY+23)

	    writeMe='<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'

	    +' codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=' +flashVersion +',0,0,0\" '

	    +' STYLE="position: absolute; left:' + left + '; top:' + top +';z-index:3;" '

	    +' ID=act_header WIDTH=985 HEIGHT=100>'

	    +' <PARAM NAME=movie VALUE=\"' + swfFile + '?clickTag=' + clickThrough + '\"><PARAM NAME=loop VALUE=false><PARAM NAME=menu VALUE=true><PARAM NAME=quality VALUE=autohigh><PARAM NAME=scale VALUE=exactfit><PARAM NAME=wmode VALUE=transparent><PARAM NAME=bgcolor VALUE=#FFFFFF> '

	    +' </OBJECT>';

	    document.write(writeMe);

	    }

}



function detectFlash() {

	pluginFound = detectPlugin( 'Shockwave', 'Flash' );

	// if not found, try to detect with VisualBasic

	if ( !pluginFound && detectableWithVB ) {

		pluginFound = detectActiveXControl( 'ShockwaveFlash.ShockwaveFlash.1' );

	}

	return pluginFound;

}



function getShockwaveVersion() {

  // Set local variables to avoid crashing bug

  var thearray = navigator.plugins;

  var arraylength = thearray.length;

  for (i=0; i<arraylength; i++)

  {

    theplugin = thearray[i];

    // Retrieve the plugin

    thename   = theplugin.name;

    // Get the plugin name

    thedesc   = theplugin.description;

    // Get the plugin description

      // If the plugin is the Shockwave Player...

      if (thedesc.indexOf("Shockwave")

        != -1 && thedesc.indexOf("Director") != -1)

        { 

        // ...parse out the version...

        versionString = thedesc.substring(thedesc.indexOf("version ") + 8);

        // ...pet the major version...

        majorVersion = parseInt(versionString);

        // ...and return it.

        return majorVersion;

        } 

   }

   // If we've went through the whole list of plugins without

   // finding Shockwave, we return zero.

   return 0;

}