function send_search(){
	document.getElementById("s").value = (document.getElementById("size").value != "--") ? document.getElementById("size").value : "";
	document.getElementById("r").value = (document.getElementById("rooms").value != "--") ? document.getElementById("rooms").value : "";
	document.getElementById("p").value = (document.getElementById("price").value != "--") ? document.getElementById("price").value : "";
	document.getElementById("search").submit();
}