function GL120x90 (numCRs, isCentered) {
	Init();
	google_ad_width = 120;
	google_ad_height = 90;
	google_ad_format = "120x90_0ads_al_s";

	LoadAd(numCRs, isCentered);
}

function GL160x90 (numCRs, isCentered) {
	Init();
	google_ad_width = 160;
	google_ad_height = 90;
	google_ad_format = "160x90_0ads_al_s";

	LoadAd(numCRs, isCentered);
}

function GL468x15 (numCRs, isCentered) {
	Init();
	google_ad_width = 468;
	google_ad_height = 15;
	google_ad_format = "468x15_0ads_al_s";

	LoadAd(numCRs, isCentered);
}

function GL728x15 (numCRs, isCentered) {
	Init();
	google_ad_width = 728;
	google_ad_height = 15;
	google_ad_format = "728x15_0ads_al_s";

	LoadAd(numCRs, isCentered);
}

function GL300x250 (numCRs, isCentered) {
	Init();
	google_ad_width = 300;
	google_ad_height = 250;
	google_ad_format = "300x250_as";

	LoadAd(numCRs, isCentered);
}

function GL336x280 (numCRs, isCentered) {
	Init();
	google_ad_width = 336;
	google_ad_height = 280;
	google_ad_format = "336x280_as";

	LoadAd(numCRs, isCentered);
}

function GA120x600 (numCRs, isCentered) {
	Init();
	google_ad_width = 120;
	google_ad_height = 600;
	google_ad_format = "120x600_as";

	LoadAd(numCRs, isCentered);
}

function GA120x240 (numCRs, isCentered) {
	Init();
	google_ad_width = 120;
	google_ad_height = 240;
	google_ad_format = "120x240_as";

	LoadAd(numCRs, isCentered);
}

function GA125x125 (numCRs, isCentered) {
	Init();
	google_ad_width = 125;
	google_ad_height = 125;
	google_ad_format = "125x125_as";

	LoadAd(numCRs, isCentered);
}

function GA468x60 (numCRs, isCentered) {
	Init();
	google_ad_width = 468;
	google_ad_height = 60;
	google_ad_format = "468x60_as";

	LoadAd(numCRs, isCentered);
}

function LoadAd(numCRs, isCentered) {
	i = 0
	while (i < numCRs) {
		document.write('<BR>');
		i++
	}

	//for some reason centering does not work if google code is called.  For now centering must be done with
	//tags outside of calling js block.
	if (isCentered == 1) {
		document.write('<script type="text/javascript" <!--document.write(""<DIV STYLE="text-align: center;">"")--></script>');
	}

	document.write('<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"></script>');

	if (isCentered == 1) {
		document.write('</DIV>');
	}
}