function isdefined( variable) 
{ 
return (typeof(window[variable]) == "undefined")? false: true; 
}
function DoDefine( variable, value)
{
	return (isdefined(variable))?window[variable]: value;
}
 var links = new Array;
 var starts= new Array;
 var ends = new Array;
 var advertIndex = 1;

function Advert(weight, sMonth, sDay, sYear, xMonth, xDay, xYear, adCode)
{
	for(var i = 0; i < weight; i++)
	{
		links[advertIndex]=adCode;
		starts[advertIndex]=new Date(); starts[advertIndex].setFullYear(sYear, sMonth, sDay);
		ends[advertIndex]=new Date(); ends[advertIndex].setFullYear(xYear, xMonth, xDay);
		advertIndex++;
	}
}

//-------------------- MONTH CONSTANTS
var JAN = 0; var FEB = 1; var MAR = 2;
var APR = 3; var MAY = 4; var JUN = 5;
var JUL = 6; var AUG = 7; var SEP = 8;
var OCT = 9; var NOV = 10; var DEC = 11;
var NOW = new Date();
var THISMONTH = NOW.getMonth();
var THISYEAR = NOW.getYear();


google_ad_client = "pub-0950262331906411";
google_alternate_color = "000000";
google_ad_width = 120;
google_ad_height = 600;
google_ad_format = "120x600_as";
google_ad_channel ="0521465043";
google_ad_type = "text_image";
google_color_border = "6633FF";
google_color_bg = "000000";
google_color_link = "66FFFF";
google_color_url = "6699FF";
google_color_text = "66CCFF";


//Google Ads
Advert(5, JAN, 1, 2007, DEC, 31, 2050, "<script type='text/javascript'  src='http://pagead2.googlesyndication.com/pagead/show_ads.js'></script>");

//MERIDIAN4 - Ends DEC, 31, 2008
//Advert(5, OCT, 1, 2007, JAN, 01, 2009, "<!-- MERIDIAN4 --><a href='http://www.meridian4.com/games/SpaceTrader/index.html' target='_blank'><img src='http://www.gamevortex.com/ADVERTS/creatives/160x600/SpaceTrader160x600b.jpg' width='160px' height='600px' border='0' border='none'></a>");
//Advert(5, OCT, 1, 2007, JAN, 01, 2009, "<!-- MERIDIAN4 --><iframe src='http://www.gamevortex.com/ADVERTS/creatives/160x600/TU_HighRise_160x600.html' width='160' height='600' scrolling='no'></iframe>");

//Advert(10, DEC, 31, 2008, DEC, 31, 2009, '');


// Tiger Direct - Ends FEB, 27, 2012
Advert(5, JAN, 1, 2007, FEB, 27, 2012, "<a href='http://click.linksynergy.com/fs-bin/click?id=qvJFO9b1xKg&offerid=102327.10000075&type=4&subid=0'><IMG alt='TigerDirect' border='0' src='http://images.tigerdirect.com/adserve/backtoschool05-120x600.gif'></a><IMG border='0' width='1' height='1' src='http://ad.linksynergy.com/fs-bin/show?id=qvJFO9b1xKg&bids=102327.10000075&type=4&subid=0'>");



//---------------------------- Make Random selection.
var imagenumber = advertIndex;
 var randomnumber = Math.random() ;
// HACK FOR MERIDIAN
//imagenumber = 24;
 var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;


//--------------------------- Remove out-dated ads and roll "up" the list, favoring the lower ids
while(rand1>1 && ((NOW>ends[rand1]) || (NOW<starts[rand1])))
{
	rand1--;
}

var link = links[rand1];
//var link = links[1];

if(link != 'undefined') document.write(link);
else document.write(links[1]);