function DoSearch(lang)
{
    if(document.Search.m.value=="-1" &&
       document.Search.t.value=="-1" &&
       document.Search.p.value=="-1" &&
       document.Search.c.value=="-1" &&
       document.Search.r.value=="-1" &&
       document.Search.n.value=="")
    {
        if(lang == "it")
            msg="Indicare almeno un criterio di ricerca";
        else
            msg="Please enter at least one search parameter";

        alert(msg);

        return;
    }

    document.Search.submit();
}

function Reset()
{
    document.Search.m.selectedIndex=0;
    document.Search.t.selectedIndex=0;
    document.Search.p.selectedIndex=0;
    document.Search.c.selectedIndex=0;
    document.Search.r.selectedIndex=0;
    document.Search.n.value="";
}