function onSelectionChanged(selList,hdVal)
{
  var oSelList=gE(selList);
  gE(hdVal).value=oSelList.options[oSelList.selectedIndex].value;
}

function initMakeModel(makeListId,modListId,makeVal,modVal)
{
chooseMake(true,makeListId,modListId, makeVal, false);
var oModSel=gE(modListId);
var oModVal=gE(modVal);
for (var i=0;i<oModSel.options.length;i++) {
if (oModSel.options[i].value==oModVal) {
oModSel.selectedIndex=i;
break;
}
}
}

function chooseMake(headContained,makeListId,modListId,makeVal,updateMod)
{
  var oMakeSel=gE(makeListId);
  var oModSel=gE(modListId);
  var oMakeVal=gE(makeVal);
  oModSel.selectedIndex=0;
  oModSel.options.length=1;
  var offsetForAll=(headContained ? 1 : 0);
  if (oMakeSel.selectedIndex>=offsetForAll)
  {
    arrModelList=(arrModels[oMakeSel.selectedIndex+1-offsetForAll]).split(';');
    oModSel.options.length=arrModelList.length+1;
    for (var i=0;i<arrModelList.length;i++)
    {
      oModSel.options[i+1].value=(arrModelList[i]).split(',')[0];
      oModSel.options[i+1].text=(arrModelList[i]).split(',')[1];
    }
  }
  oMakeVal.value=oMakeSel.options[oMakeSel.selectedIndex].value;
  if (oModSel.options.length==2)
    oModSel.selectedIndex=1;
  if (updateMod) oModSel.onchange();
  oModSel.disabled=((headContained && oMakeSel.selectedIndex==0) ? 'disabled' : '');
}