var banners = 0;
	function cycle() 
	{
		if (++banners > 4) banners=1;
		loadbanners();
		window.setTimeout('cycle();',3500);
	}
	
	function loadbanners() 
	{
		//Vetor de imagens
		var meusBanneres = new Array("http://www.holtzengenharia.com.br/images/banner_acquamarine.jpg",	
									 "http://www.holtzengenharia.com.br/images/banner_acquamarine1.jpg",									 								 
									 "http://www.holtzengenharia.com.br/images/banner_acquamarine2.jpg",
									 "http://www.holtzengenharia.com.br/images/banner_acquamarine3.jpg");
		//Vetor de links
		var meusLinks = new Array("#",
								  "#",
								  "#",
								  "#");
		
		document.banner1.src = meusBanneres[banners-1];
		document.getElementById('link1').href = meusLinks[banners-1];
	}