var ban = Array();
var url = Array();

ban[1] = "http://www.parabenspravoce.com.br/banner/tm_nova.gif";
url[1] = "http://www.telemensagem.info";
ban[2] = "http://www.artedesucata.com.br/banner/aprendaganharnavegando.gif";
url[2] = "http://www.resplendor.net/lucrenaweb";

var rnd = Math.ceil(Math.random() * 2);

function banner(ultimo){
	
	if(ultimo==null)
		ultimo = 1;
	
	var rnd = Math.ceil(Math.random() * 2);
	while(rnd==ultimo){
		var rnd = Math.ceil(Math.random() * 2); 
	}
	
	document.getElementById("banner_img").src = ban[rnd];
	document.getElementById("banner_href").href = url[rnd];
	
	setTimeout("banner("+rnd+")",30000);

}

document.write("<a href="+url[rnd]+" mce_href="+url[rnd]+" target=\"_blank\" id=\"banner_href\"><img id=\"banner_img\" src="+ban[rnd]+" border=0></a>");

setTimeout("banner("+rnd+")",30000);