// JScript File
function QueryString(ID){
   var URL = document.location.href;
   if(URL.indexOf('?' + ID + '=')>-1){
        var qString = URL.split('?');
        var keyVal = qString[1].split('&');
   
        for(var i=0;i<keyVal.length;i++){
                if(keyVal[i].indexOf(ID + '=')==0){
                    var val = keyVal[i].split('=');
                    return val[1];
                }
        }
        return "";
   }
   else{
        return "";
   }
}

function Mudar(){
var mes = QueryString("mes");
if(mes != ""){document.getElementById(mes).className="selecionado";}
}


Mudar();