function StyleSelection() {
    style  = document.f_style.s_style.options[document.f_style.s_style.options.selectedIndex].value
    select = document.f_sort.select.options[document.f_sort.select.options.selectedIndex].value;
    order  = document.f_sort.order.options[document.f_sort.order.options.selectedIndex].value;
      if (style == 0) {
         window.alert('Select a style!');
      } else {
         window.location = 'trucks.cgi?style=' + style + '&select=' + select + '&order=' + order  ;
      }
  }

  function MyPic(MyID) { 
    WinWide = 660
    WinTall = 500
    PosLeft = screen.availWidth /2 - WinWide /2 
    PosTop = screen.availHeight /2 - WinTall /2 
    window.open('http://mtm2.com/~trucks/truckpic.cgi?thistruck=' + MyID,
                'MyWin1',
                'scrollbars=no,left=' + PosLeft + ',top=' + PosTop + ',width=' + WinWide + ',height=' + WinTall);
  }