function showads(num, outName)
{
	var ads = new Array();
	var fixName = outName;
	var name =  fixName;
	var numAds = num;
	var i = 0, j = 0;
	for(i=1; i<=numAds; i++)
	{
		name += i;
		ads[i-1] = document.getElementById(name);
		name = fixName;
	}
	
	
	for(i=1; i<=numAds; i++)
	{
		if(ads[i-1].style.display == 'block')
		{
			ads[i-1].style.display = 'none';
			j = i-1;
			j++;		
			if(j > numAds-1) j = 0;
			ads[j].style.display = 'block';
			break;
		}
	}
	
	
}