var aditems = new Array();
var showadid;

function aditem(image,link)
{
	this.image = new Image(280,210);
	this.image.src = ('images/ad/'+image);
	this.link = link;
}

function addaditem(image,link)
{
	aditems[aditems.length] = new aditem(image,link);
}

function printad()
{
	showadid = Math.floor(Math.random()*(aditems.length));
	document.write('<a href="javascript:adjump();"><img src="'+aditems[showadid].image.src+'" name="ad" border=0 height=210 width=280></a>');
	setTimeout("changead()",20000);
}

function changead()
{
	showadid = Math.floor(Math.random()*aditems.length);
	document.ad.src = aditems[showadid].image.src;
	setTimeout("changead()",20000);
}

function adjump()
{
	self.location.href = aditems[showadid].link;
}

//addaditem('adielogsys.gif','ielogsys.html');
//addaditem('adnntp.gif','nntp/nntp.html');
//addaditem('nadessert.gif','activity.html#nawater');
//addaditem('ready.jpg','activity.html#imageready');
//addaditem('dinner.gif','activity.html');
//addaditem('notice.jpg','activity.html');
//addaditem('shaw.jpg','activity.html');
//addaditem('socpaper.png','news.html');
//addaditem('dinner3.png','activity.html');
//addaditem('talentshow.png','activity.html#talentshow');

addaditem('newsoc.png','');