cclicado = 0;
dclicado = 0;
	
function ajax(div,url){ 
	var o=window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Msxml2.XMLHTTP.3.0"); 
	o.onreadystatechange=function(){  
		if(o.readyState==4 && o.status==200) document.getElementById(div).innerHTML=o.responseText; 
	} 
	o.open('GET',url,true); 
	o.send(null); 
} 
	 
function acende(id) {
	target = document.getElementById(id);
	document.getElementById(id).style.visibility = "visible";
}

function apaga(id) {
	target = document.getElementById(id);
	document.getElementById(id).style.visibility = "hidden";
}

function nome(div,url){ 
	window.document.getElementById(div).firstChild.data = url;
}

function tamtexto(id,tamanho) {
	target = document.getElementById(id);
	tamanho = tamanho + 'px';
	document.getElementById(id).style.fontSize = tamanho;
}