// ===========================================
// Formata URL para querystring da busca
// ===========================================
function URLEncode(clearString) {
    var output = '';
    var x = 0;
    clearString = clearString.toString();
    var regex = /(^[a-zA-Z0-9_.]*)/;
    while (x < clearString.length) {
        var match = regex.exec(clearString.substr(x));
        if (match != null && match.length > 1 && match[1] != '') {
            output += match[1];
            x += match[1].length;
        } else {
            if (clearString[x] == ' ')
                output += '+';
            else {
                var charCode = clearString.charCodeAt(x);
                var hexVal = charCode.toString(16);
                output += '%' + (hexVal.length < 2 ? '0' : '') + hexVal.toUpperCase();
            }
            x++;
        }
    }
    return output;
}

// ===========================================
// Envia formul�rio de busca pela tecla ENTER
// ===========================================
function submitOnEnter(myfield, e) {
    var keycode;
    if (window.event){
        keycode = window.event.keyCode;
    }else if (e){
        keycode = e.which;
    }else{
        return true;
      if (keycode == 13){
          searchSite();  
        return false;
      }   
    }
       return true;
        
}

// ===========================================
// Envia formul�rio de