var http_request = false;


    function searchSug(nome) {
		
      try{
    http_request = new XMLHttpRequest();
}catch(ee){
    try{
        http_request = new ActiveXObject("Msxml2.XMLHTTP");
    }catch(e){
        try{
            http_request = new ActiveXObject("Microsoft.XMLHTTP");
        }catch(E){
            http_request = false;
        }
    }
}

        if (!http_request) {
            alert('Giving up :( Nao foi possivel criar instancia xmlhttp');
            return false;
        }
        http_request.onreadystatechange = listanomes;
		
        http_request.open('GET', "sug.php?nome="+nome, true);

        http_request.send(null);

    }
	
    function listanomes() {
	var texto = http_request.responseText;
	div = document.getElementById("loada");
		div.innerHTML = "Buscando...";
        if (http_request.readyState == 4) {		
            if (http_request.status == 200) {	
			if(texto.length != 0 )
			{
			 document.getElementById("butao").disabled = "disabled";
			 
			} else {
			
			document.getElementById("butao").disabled = "";
			
			}			 
	 div.style.display = "block";
	 div.innerHTML = texto;
	        } else {
                alert('Houve um problema com a requisicao.');
            }
	      }
	  	}

function limpeza(id)
{
document.getElementById(id).style.display = "none";
}