X=[[17,1430],[9,815],[140,220],[10,817],[10,815],[11,320],[11,121],[11,310],[11,510],[11,1520],[12,1160],[12,1142],[12,1141],[12,1120],[12,1130],[13,740],[13,790],[2,320],[2,121],[2,110],[2,310],[2,112],[2,1010],[2,1142],[2,510],[2,1520],[2,1430],[2,1120],[2,1130],[2,610],[1,220],[1,320],[1,121],[1,110],[1,310],[1,120],[1,1160],[1,112],[1,1010],[1,1142],[1,230],[1,330],[1,510],[1,1150],[1,1520],[1,817],[1,1430],[1,1120],[1,1130],[1,815],[1,610],[14,817],[14,815],[108,1010],[25,610],[3,220],[3,320],[3,121],[3,110],[3,310],[3,120],[3,112],[3,1010],[3,330],[3,510],[3,1430],[3,610],[736,320],[736,310],[736,330],[735,320],[735,310],[735,330],[735,510],[735,610],[22,110],[22,112],[22,610],[24,1142],[24,817],[24,1120],[24,1130],[149,230],[32,320],[32,121],[32,310],[32,510],[32,1520],[32,817],[33,3421],[33,3411],[33,3422],[33,3412],[33,1520],[36,330],[37,760],[37,710],[37,740],[37,790],[38,1142],[38,1120],[38,1130],[40,320],[40,310],[40,230],[40,330],[43,1141],[45,320],[45,310],[45,330],[45,510],[45,610],[46,320],[46,121],[46,310],[47,1520],[49,220],[49,320],[49,121],[49,310],[49,510],[49,1520],[49,1430],[49,1120],[49,1130],[49,610],[50,3421],[50,3411],[50,3422],[50,3412],[50,1520],[51,320],[51,121],[51,310],[15,610],[52,320],[52,310],[52,720],[716,220],[716,320],[716,110],[716,310],[716,112],[716,1010],[716,230],[716,510],[716,610],[54,320],[54,121],[54,310],[54,1430],[54,610],[56,1010],[56,1142],[56,817],[56,1120],[56,815],[57,110],[57,310],[57,120],[57,112],[57,330],[57,610],[59,310],[59,710],[59,720],[59,740],[61,720],[63,817],[63,1120],[139,220],[70,320],[70,121],[70,310],[70,510],[70,610],[73,320],[73,121],[73,310],[73,510],[73,1430],[73,610],[83,817],[83,815],[137,1142],[84,1150],[84,1120],[92,320],[92,310],[92,330],[92,610],[86,790],[29,1520],[88,3421],[88,3411],[88,3422],[88,3412],[88,1520],[90,3421],[90,3411],[90,3422],[90,3412],[94,760],[94,710],[94,740],[95,320],[95,121],[95,310],[95,510],[95,610],[6,760],[6,220],[6,320],[6,310],[6,3411],[6,710],[6,720],[6,230],[6,740],[6,330],[6,1520],[6,1430],[6,1120],[6,610],[98,1430],[99,510],[142,3411],[5,220],[5,320],[5,121],[5,310],[5,1010],[5,1142],[5,330],[5,510],[5,817],[5,1430],[5,1120],[5,1130],[5,610],[128,320],[128,310],[128,1430],[128,610]];
M={"17":"ALLMAND BROS.",
"9":"BARBER GREENE",
"140":"BELL",
"10":"BLAW KNOX",
"11":"BOBCAT",
"12":"BOMAG",
"13":"BRODERSON",
"2":"CASE",
"1":"CATERPILLAR",
"14":"CEDARAPIDS",
"108":"CHAMPION",
"25":"COYOTE",
"3":"DEERE",
"736":"DEVELON",
"735":"DOOSAN",
"22":"DRESSTA",
"24":"DYNAPAC",
"149":"EUCLID",
"32":"GEHL",
"33":"GENIE",
"36":"GRADALL",
"37":"GROVE",
"38":"HAMM",
"40":"HITACHI",
"43":"HYPAC",
"45":"HYUNDAI",
"46":"I H I",
"47":"INGERSOLL RAND",
"49":"J C B",
"50":"J L G",
"51":"KATO",
"15":"KAWASAKI",
"52":"KOBELCO",
"716":"KOMATSU",
"54":"KUBOTA",
"56":"LEE BOY",
"57":"LIEBHERR",
"59":"LINK BELT",
"61":"MANITOWOC",
"63":"MAULDIN",
"139":"MOXY",
"70":"MUSTANG",
"73":"NEW HOLLAND",
"83":"ROADTEC",
"137":"ROSCO",
"84":"SAKAI",
"92":"SCHAEFF",
"86":"SHUTTLELIFT",
"29":"SKY TRAK",
"88":"SKYJACK",
"90":"SNORKEL",
"94":"TADANO",
"95":"TAKEUCHI",
"6":"TEREX",
"98":"TERRAMITE",
"99":"THOMAS",
"142":"UPRIGHT",
"5":"VOLVO",
"128":"YANMAR"};
E={"1430":"Tractor Loader Backhoe",
"815":"Wheel Asphalt Paver",
"220":"Articulated Truck",
"817":"Track Asphalt Paver",
"320":"Compact Excavator",
"121":"Compact Loader",
"310":"Crawler Excavator",
"510":"Skid Steer Loader",
"1520":"Telescopic Handler",
"1160":"Landfill Compactor",
"1142":"Pneumatic Compactor",
"1141":"Static Double Drum",
"1120":"Vibratory Double Drum",
"1130":"Vibratory Single Drum",
"740":"Rough Terrain Crane",
"790":"Yard Crane",
"110":"Crawler Dozer",
"112":"LGP Dozer",
"1010":"Motor Grader",
"610":"Wheel Loader",
"120":"Crawler Loader",
"230":"Rigid Frame Trucks",
"330":"Rubber Tire Excavator",
"1150":"Soil Compactor",
"3421":"Electric Powered Boom Lift",
"3411":"Electric Powered Scissor Lift",
"3422":"IC Powered Boom Lift",
"3412":"IC Powered Scissor Lift",
"760":"All Terrain crane",
"710":"Hydraulic Truck Crane",
"720":"Lattice Boom Crawler Crane"};

function verify_search(f) {
  if (f.eq.options[f.eq.selectedIndex].value == "" &&
      f.mfg.options[f.mfg.selectedIndex].value == "" &&
      (!f.keywords || f.keywords.value == "")) {
    alert("Please enter at least one criterion for your search");
    if (f.eq.focus) f.eq.focus();
    return false;
  }
  return true;
}

function setSelection(sbox, opts, value) {
  for (var i = sbox.options.length - 1; i >= 0; i--)
    sbox.options[i] = null;
  if (opts.length == 0) {
    sbox.options[0] = new Option("(None)", -1);
    sbox.options[0].selected = false;
  } else {
    for (j = 0; j < opts.length; j++) {
      sbox.options[j] = opts[j];
      sbox.options[j].selected = opts[j].value == value;
    }
  }
}

function sortByValue(a, b) {
  return a.text < b.text ? -1 : (a.text > b.text ? 1 : 0);
}

function sortByID(a, b) {
  var e1 = parseInt(a.value);
  var e2 = parseInt(b.value);
  return e1 < e2 ? -1 : (e1 > e2 ? 1 : 0);
}

function propagate(id) {
  for (var i = 0; i < document.forms.length; i++) {
    var f = document.forms[i];
    if (f.mfg && f.eq) {
      var elt = [ f.mfg, f.eq ];
      var value = elt[id].selectedIndex >= 0 ? elt[id].options[elt[id].selectedIndex].value : -1;
      var oldValue = elt[1-id].selectedIndex >= 0 ? elt[1-id].options[elt[1-id].selectedIndex].value : "";
      var opts = Array();
      var k = 0, last = -1;
      var hash = Array();
      for (var j = 0; j < X.length; j++) {
        if ((value == "" || value =="none"||value < 0) || X[j][id] == value) {
          var newValue = X[j][1-id];
          if (eval("typeof(hash[newValue]) == 'undefined'")) {
          if (newValue != last) {
            opts[k++] = new Option( id == 1 ? M[ X[j][1-id ]] : E[X[j][1-id]] , newValue);
            last = newValue;
          }
          hash[''+newValue] = 1;
          }
        }
      }
      if ("C" == "L" && id == 0) {
        opts.sort(sortByID);
        for (j = opts.length; j > 0; j--) 
          opts[j] = opts[j-1];
        opts[0] = elt[1-id].options[0];
//      opts[1] = elt[1-id].options[1];
      } else {
        opts.sort(sortByValue);
        for (j = opts.length; j > 0; j--) 
          opts[j] = opts[j-1];
        opts[0] = elt[1-id].options[0];
      }
      setSelection(elt[1-id], opts, oldValue);
    }
  }
}