function busca_contador(){
	try{ 
		var requester = new XMLHttpRequest();
	}catch (error){ 
		try{
			var requester = new ActiveXObject("Microsoft.XMLHTTP");
		}catch (error){ 
			return false;
		} 
	}
	requester.open("GET", "contador.log"); 
	requester.send(null);
		
	requester.onreadystatechange = stateHandler;
		
	function stateHandler(){ 
		if(requester.readyState == 4){ 
			if(requester.status == 200){
				document.getElementById('contador').innerHTML = requester.responseText;
			}
		} 
		return true;
	}
	setTimeout("busca_contador()",60000);
}