clientCode = document.getElementById('fotocasa_client_code').value;
pageSize = document.getElementById('fotocasa_page_size').value;
host = document.getElementById('fotocasa_host').value;
document.getElementById('fotocasa_search').src = host + '/Search/search.aspx?OrigenVisita=107&link=9258&utm_source=ovsearch&utm_medium=ovsearch_busc&utm_campaign=ovsearch_busc&cl=' + clientCode + '&ps=' + pageSize;