function UpdateModels(make,type){
	var response;
	if(type=='new'){
		response=AjaxFunctions.GetNewCarModelsForMake(make);
	}else{
		response=AjaxFunctions.GetUsedCarModelsForMake(make);
	}
	if(response.error!=null){
		alert(response.error);
		return;
	}
	//alert(response.value);
	var modelArray=response.value.split('|');
	if(modelArray.length>0){
		var f=document.forms[0];
		f.ddlModel.options.length=1;
		for(var m=0;m<modelArray.length;m++){
			f.ddlModel.options[f.ddlModel.options.length]=new Option(modelArray[m],modelArray[m]);
		}
		if(modelArray.length==1)f.ddlModel.options[1].selected=true;
	}
}
function searchCars(){
	var f=document.forms[0];
	var loc='./?';
	if(f.ddlMake.selectedIndex>-1)loc+='&make='+escape(f.ddlMake.options[f.ddlMake.selectedIndex].value);
	if(f.ddlModel.selectedIndex>0)loc+='&model='+escape(f.ddlModel.options[f.ddlModel.selectedIndex].value);
	if(f.ddlPriceRange.selectedIndex>0)loc+='&price='+escape(f.ddlPriceRange.options[f.ddlPriceRange.selectedIndex].value);
	if(f.txtOption.value.length>0)loc+='&option='+escape(f.txtOption.value);
	loc=loc.replace('?&','?');
	location=loc+'#search';
}