//global variable of current ad
var imagenumber = 4;
var imagenumber2 = 4;
var randomnumber = Math.random() ;
var randomnumber2 = Math.random() ;
rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
rand2 = Math.round( (imagenumber2-1) * randomnumber2) + 1;
var timeout = 9;
images = new Array
images[1] = "graphics/abcd_ad.gif"
images[2] = "graphics/corley_ad.gif"
images[3] = "graphics/website1_ad.gif"
images[4] = "graphics/class_ad.gif"
var image = images[rand1]
images2 = new Array
images2[1] = "graphics/form_ad.gif"
images2[2] = "graphics/otto_ad.gif"
images2[3] = "graphics/website2_ad.gif"
images2[4] = "graphics/enviro_ad.gif"
var image2 = images2[rand2]

function rotate() {
	window.setTimeout('rotate()', timeout*1000)
	var randomnumber = Math.random() ;
	var randomnumber2 = Math.random() ;
	rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
	rand2 = Math.round( (imagenumber2-1) * randomnumber2) + 1;
	image = images[rand1]
	image2 = images2[rand2]
	document.ad.src = image
	document.ad2.src = image2
}

// function to link to appropriate ad
function GoAd() {
   if (rand1==1) catWindow = window.open('http://www.milledgeville.net/prices/prices.html');
   if (rand1==2) catWindow = window.open('http://www.corleyrealty.com');
   if (rand1==3) catWindow = window.open('http://www.amban.com');
   if (rand1==4) catWindow = window.open('http://www.milledgeville.net/photoads/viewads.html');
}

function GoAd2() {
   if (rand2==1) catWindow = window.open('http://www.formula76.com');
   if (rand2==2) catWindow = window.open('http://www.milledgeville.net/aselectric/index.html');
   if (rand2==3) catWindow = window.open('http://www.amban.com');
   if (rand2==4) catWindow = window.open('http://www.envirotechhomes.com/info.html');
}