function doSearch(address_prefix)
{
    if(document.getElementById("searchTypeWanted").checked == true)
    {
        wanted_flag = true;
        wanted_name = "wanted";
    }
    else
    {
        wanted_flag = false;
        wanted_name = "forsale";
    }
    key_words = document.getElementById('searchKeywords').value;
    
    if(key_words == "")
    {
        key_words = "all";
    }
    
    select_obj = document.getElementById('search_pref');
    search_index = select_obj.selectedIndex;
    search_pref = select_obj.options[search_index].value;
    
    document.getElementById('searchForm').action = address_prefix+"/"+wanted_name+"/"+key_words+"/1/"+search_pref;
    //document.getElementById('searchForm').submit();
}