function abre(id){
	var doc = document.getElementById("resp_"+id);
	var blt = document.getElementById("blt_"+id);
	var lnk = document.getElementById("lnk_"+id);

	if(doc.style.display == "block"){
		doc.style.display = "none";
		lnk.style.fontWeight = "bold";		
	}
	else{
		doc.style.display = "block";		
		lnk.style.fontWeight = "normal";		
	}
}