function tab_url(u,T,formy) {

//var formy = document.getElementById('drobniak_search');

if(u==0)
{
	formy.action = "";
}
else {
	formy.action = "";
	formy.action = "http://drobniak.pl/ogloszenia/"+T[u];
}
}

function checkform ( )
{
    // ** START **
    
    formy = document.getElementById('drobniak_search');
    
    if (formy.search_cat.value == "0") {
		alert("Proszę wybrać kategorię");
        formy.search_cat.focus();
        return false ;
    }
}