function displayAd(){

	showAd();
	showAdLeft();
	showAdRight();
	adIntervalId=setInterval ( "showAd()", 16000 );
	adIntervalId=setInterval ( "showAdLeft()", 19000 );
	adIntervalId=setInterval ( "showAdRight()", 26000 );
	
}



function showAd ( )
{
	var randnumber=Math.random ( )*1000;
	 
	randnumber=parseInt(randnumber);
	var count_ads=arrAds.length;
	var adindex=randnumber%count_ads;
	
	document.getElementById("adlink").setAttribute("href",arrAds[adindex][0]);
	document.getElementById("adimage").setAttribute("src",arrAds[adindex][1]);
}

function showAdLeft()
{
	if (document.getElementById("adlinkLeft"))
	{
		var randnumber=Math.random ( )*1000;
		randnumber=parseInt(randnumber);
		var count_ads=arrAdsSide.length;
		var adindex=randnumber%count_ads;
		
		document.getElementById("adlinkLeft").setAttribute("href",arrAdsSide[adindex][0]);
		document.getElementById("adimageLeft").setAttribute("src",arrAdsSide[adindex][1]);
	}
}

function showAdRight()
{
	if (document.getElementById("adlinkRight"))
	{
		var randnumber=Math.random ( )*1000;
		randnumber=parseInt(randnumber);
		var count_ads=arrAdsSide.length;
		var adindex=randnumber%count_ads;
		
		document.getElementById("adlinkRight").setAttribute("href",arrAdsSide[adindex][0]);
		document.getElementById("adimageRight").setAttribute("src",arrAdsSide[adindex][1]);
	}

}
var adIntervalId = 0;
/*var arrAds=[
['http://qualitypointtech.com/contactus.htm','http://qualitypointtech.net/images/services.gif'],
['http://qualitypointtech.net/webtimesheet/index.php','http://qualitypointtech.net/images/timesheet.gif'],
['http://qualitypointtech.net/ebook/index.php','http://qualitypointtech.net/images/ebook.jpg'],
['http://qualitypointtech.com/contactus.htm','http://qualitypointtech.net/images/services.gif'],
['http://qualitypoint.blogspot.com/2010/05/opportunity-to-advertise-in-our-blogs.html','http://qualitypointtech.net/images/adimages/yourad468x60.jpg'],
['http://qualitypointtech.net/ebook/index.php','http://qualitypointtech.net/images/ebook.jpg'],
];

var arrAdsSide=[
['http://qualitypointtech.com/contactus.htm','http://qualitypointtech.net/images/php-mysql_v1.gif'],
['http://qualitypointtech.net/ebook/index.php','http://qualitypointtech.net/images/ebook_v1.gif'],
['http://qualitypointtech.net/ebook/index.php','http://qualitypointtech.net/images/ebook_v2.gif'],
['http://qualitypoint.blogspot.com/2010/05/opportunity-to-advertise-in-our-blogs.html','http://qualitypointtech.net/images/adimages/yourad160x600.png'],
['http://xmaschristmas.blogspot.com/','http://qualitypointtech.net/images/adimages/christmas-160x600.gif'],
['http://qualitypointtech.com/contactus.htm','http://qualitypointtech.net/images/php-mysql_v1.gif'],
];*/
var arrAds=[
['http://qualitypointtech.com/contactus.htm' , 'http://qualitypointtech.net/images/services.gif'],
['http://qualitypointtech.net/webtimesheet/index.php' , 'http://qualitypointtech.net/images/timesheet.gif'],
['http://qualitypointtech.net/ebook/index.php' , 'http://qualitypointtech.net/images/ebook.jpg'],
['http://qualitypointtech.com/contactus.htm' , 'http://qualitypointtech.net/images/services.gif'],
['http://qualitypoint.blogspot.com/2010/05/opportunity-to-advertise-in-our-blogs.html' ,'http://qualitypointtech.net/images/adimages/yourad468x60.jpg'],
['http://qualitypointtech.net/products/easylearning/index.php' , 'http://qualitypointtech.net/images/easylearning468x60.jpg'],
['http://qualitypointtech.net/products/eventmanagement/index.php' , 'http://qualitypointtech.net/images/eventmanagement468x60.jpg'],
['http://qualitypointtech.net/products/inventorycontrol/index.php' , 'http://qualitypointtech.net/images/inventory468x60.jpg'],
['http://qualitypointtech.net/products/quiz/index.php', 'http://qualitypointtech.net/images/quiz468x60.jpg'],
['http://qualitypointtech.net/products/newsreader/index.php' , 'http://qualitypointtech.net/images/stockreader468x60.jpg'],
['http://qualitypointtech.net/products/emailmarketing/index.php' , 'http://qualitypointtech.net/images/emailmarketing468x60.jpg'],
['http://qualitypointtech.net/ebook/index.php' , 'http://qualitypointtech.net/images/ebook.jpg' ],
];

var arrAdsSide=[
['http://qualitypointtech.com/contactus.htm' , 'http://qualitypointtech.net/images/php-mysql_v1.gif' ],
['http://qualitypointtech.net/ebook/index.php ', 'http://qualitypointtech.net/images/ebook_v1.gif' ],
['http://qualitypointtech.net/ebook/index.php' , 'http://qualitypointtech.net/images/ebook_v2.gif' ],
['http://qualitypoint.blogspot.com/2010/05/opportunity-to-advertise-in-our-blogs.html' , 'http://qualitypointtech.net/images/adimages/yourad160x600.png '],
['http://xmaschristmas.blogspot.com/ ', 'http://qualitypointtech.net/images/adimages/christmas-160x600.gif' ],
['http://qualitypointtech.net/products/easylearning/index.php' , 'http://qualitypointtech.net/images/easylearning160x600.jpg' ],
['http://qualitypointtech.net/products/eventmanagement/index.php' , 'http://qualitypointtech.net/images/eventmanagement160x600.jpg' ],
['http://qualitypointtech.net/products/inventorycontrol/index.php' ,' http://qualitypointtech.net/images/inventory160x600.jpg' ],
['http://qualitypointtech.net/products/quiz/index.php' , 'http://qualitypointtech.net/images/quiz160x600.jpg' ],
['http://qualitypointtech.net/products/newsreader/index.php' , 'http://qualitypointtech.net/images/stocknewsreader160x600.jpg'],
['http://qualitypointtech.net/products/emailmarketing/index.php' , 'http://qualitypointtech.net/images/emailmarketing160x600.jpg' ],
['http://qualitypointtech.com/contactus.htm ', 'http://qualitypointtech.net/images/php-mysql_v1.gif' ],
];