function abrir(url){
     window.open(url, "IMOVEL", "height=480,width=643,scrollbars=yes,scrolling=yes");
}

function mostraItem(idDiv, td, bt, link) {
 obj = document.getElementById(idDiv);
 if (obj.style.display == 'block') {
 document.getElementById(bt).src = "css/img/bot_mostrar.gif";
 document.getElementById(link).innerHTML = "Mostrar";
 obj.style.display = 'none';
} else {
 document.getElementById(bt).src = "css/img/bot_esconder.gif";
 document.getElementById(link).innerHTML = "Esconder";
 obj.style.display = 'block';
 }
}
 function printpage(url)
{
    janela=window.open(url,'print','toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=no,copyhistory=no,width=618,height=400')
 }

var tr_display = "close";
function controlaForm() {
 if (tr_display == "close") {
     document.getElementById("form").style.display = document.all ? "block" : "table-row";
 tr_display = "open";
 } else {
 document.getElementById("form").style.display = "none";
 tr_display = "close";
 }

}

function validacao_buscar(){ 

 var tipos = document.getElementById("tipos").options[document.getElementById("tipos").selectedIndex].value;
 var cidades = document.getElementById("cidades").options[document.getElementById("cidades").selectedIndex].value;
 
  
  if(tipos==""){
  alert("Selecione o tipo de imóvel");
  return;
 }
 
  if(cidades==""){
  alert("Selecione uma cidade");
  return;
  } 
}