function getModel(selectBox, formNumber)
{    
  
  make = selectBox.options[selectBox.selectedIndex].value
  gotoUrl = '/ajax/getSelectBoxOf.asp?type=model&make='+make+'&formnum='+formNumber
  new Ajax.Updater('id_models_select'+formNumber, gotoUrl, { method: 'get' });
}

function getSubModel(selectBox, formNumber)
{    
  
  model = selectBox.options[selectBox.selectedIndex].value    
  make_div_id = 'id_make_select'+formNumber
  make = $(make_div_id).options[$(make_div_id).selectedIndex].value    
  gotoUrl = '/ajax/getSelectBoxOf.asp?type=submodel&model='+model+'&make='+make+'&formnum='+formNumber
  
  new Ajax.Updater('id_submodels_select'+formNumber, gotoUrl, { method: 'get' });
}

function compare2Cars()
{
	exactCarSelect = $('id_submodels_select1').firstChild
                      
  exactCarSelect2 = $('id_submodels_select2').firstChild		
  
	if(exactCarSelect2.selectedIndex == 0 || exactCarSelect.selectedIndex==0)
	{
		alert('please select 2 cars')
		return null
	}
	else
	{
		
		car1derivId = exactCarSelect.options[exactCarSelect.selectedIndex].value
		
		car2derivId = exactCarSelect2.options[exactCarSelect2.selectedIndex].value
		
		gotoAddress = "/carCompare.asp?locator="+car1derivId+"&locatorb="+car2derivId
		
		location.href=gotoAddress
	}
	
  /*
	exactCarSelect = $('id_submodels_select1').firstChild
  
  car1derivId = exactCarSelect.options[exactCarSelect.selectedIndex].value
                      
  exactCarSelect2 = $('id_submodels_select2').firstChild
  
  car2derivId = exactCarSelect2.options[exactCarSelect2.selectedIndex].value
  
	gotoAddress = "/carCompare.asp?locator="+car1derivId+"&locatorb="+car2derivId
  
  location.href=gotoAddress
	*/
	
  
}

function blankSelects()
{
  debugger;
  $('id_make_select1').selectedIndex = 0
  
  $('id_make_select2').selectedIndex = 0
}