function browser(){
  if(navigator.appName == "Microsoft Internet Explorer"){
    return 1;
  }else if (navigator.appName == "Netscape"){
    return 2;
  }else{
    return 3;
  }
}

function ClickBrowser(e){
  if (!e){
    var e = window.event;
  }
  if (e.keyCode){
    code = e.keyCode;
  }else if (e.which){
    code = e.which;
  }
  if(code == 13){
    goPage();
  }

}

function goPage(){
    var Busca = document.getElementById("Busca");
    document.location.href = '../busca/resultado_busca.asp?Busca=' + Busca.value;	
}