selected_div = false;

function isBlank(s){
        if(s == null){
                return true;
        }
        else{
                for(var i = 0; i < s.length; i++){
                        var c = s.charAt(i);
                        if((c != ' ') && (c != '\\n') && (c != '')) return false;
                }
                
                return true;
        }
}

function change_search(f){
    f.action = f.st[f.st.selectedIndex].value;
}

function do_search(f){
    if(isBlank(f.qs.value)){
        return false;
    }
    else{
        change_search(f);
        f.submit();
    }   
}

function do_more_search(action){
    f = document.hidden_more_search;
    f.action = action;
    f.submit();
}

function contact_help(f){
    div = f.reason[f.reason.selectedIndex].value;
    if (selected_div){
        sd = document.getElementById(selected_div).style.display='none';
    }
    if (div == "spam"){
        document.getElementById("text_body").style.display="none";
    }
    else{
        document.getElementById("text_body").style.display="block"; 
    }
    document.getElementById(div).style.display = "block";
    selected_div = div;
}