// ads

adImg = new Array();
	adImg[0]='img/internet_text_ad.gif';
	adImg[1]='img/phone_text_ad.gif';
	adImg[2]='img/tv_text_ad.gif';

adClass = new Array();
	adClass[0]='internet';
	adClass[1]='phone';
	adClass[2]='tv';
 
function timelyImg() {
	a=Math.floor(Math.random()*adImg.length);
	document.getElementById("ad_img").src=adImg[a];
	document.getElementById("ad").className=adClass[a];
	
}

window.onload = timelyImg;