function G(id){
return document.getElementById(id);
}
//页面初始化
$(document).ready(
    function(){                                                                      
        $('#ddlPinPai1').change( function() { onChangePinPai()} );                                        
    }
);


//选择品牌
function onChangePinPai() {

    var ddlPinpai = jQuery.trim($("#ddlPinPai1").val());    
    if(ddlPinpai.value!=""){
                 $.ajax({
            type:"post",
            url:"http://www.chezidian.com/OldCarList/VipAddOldCar.aspx",
            dataType:"html",
            data:"ddlPinpai="+escape($("#ddlPinPai1").val()),
            beforeSend:function()
            {
                document.getElementById("ddlPinPai2").setAttribute("disabled","disabled");
            },
            success:function(responseText)
                {         
                   document.getElementById("ddlPinPai2").removeAttribute("disabled");                            
                   //var arr=responseText.split(',');                       
                   for(var k=G('ddlPinPai2').options.length-1;k>0;k--){ 
                        G('ddlPinPai2').options.remove(k); 
                   }
                   if(ddlPinpai=="0") 
                   {
                        document.getElementById("ddlPinPai2").setAttribute("disabled","disabled");
                        return false;
                   }
                   if(responseText=="0") 
                   {
                        return false;
                   }
                   var carId=responseText.substring(0,responseText.indexOf("|"));                   
                   var carName=responseText.substring((responseText.indexOf("|")+1),responseText.length);             
                   var arrId=new Array(carId.split(",").length);
                   var arrName=new Array(carName.split(",").length);
                   //G('ddlPinPai2').options.add(new Option("请选择","0"));
                   for(var i=0;i<arrId.length;i++)
                   {
                        // alert(carId.split(",")[i]);
                        //alert(carName.split(",")[i]);
                        G('ddlPinPai2').options.add(new Option(carName.split(",")[i],carId.split(",")[i])); 
                   }                  
                   //G('ddlPinPai2').options.add(new Option(arr[],cy-i));      
                   return true;                  
                }
            });
     }         
    return false;
}