function checkDate(formObject)
	  {
	      var queryTypeValue = formObject.queryType.value;
	    
          if(queryTypeValue != "" && queryTypeValue=="firstQueryMode")
	      {
	          var carMarkValue = formObject.carMark.value;
	          var engineNoValue = formObject.engineNo.value;
	          
	          if( trim(carMarkValue) == "" || carMarkValue == "号牌号码"){
	          
	              document.getElementById("firstQueryOperationInf").innerHTML = "请填写号牌号码！";
	              formObject.carMark.focus();
	              return;
	          
	          }else if(trim(engineNoValue) == "" || engineNoValue == "发动机号"){
	          
	              document.getElementById("firstQueryOperationInf").innerHTML = "请填写发动机号！";
	              formObject.engineNo.focus();
	              return;
	          
              }else if((trim(carMarkValue) != '' && carMarkValue != "号牌号码") && (trim(engineNoValue) != '' && engineNoValue != "发动机号")){
              
                  document.getElementById("firstQueryOperationInf").innerHTML = "";
	              document.getElementById("secondQueryOperationInf").innerHTML = "";
	              document.getElementById("thirdQueryOperationInf").innerHTML = "";
	              
	              var url = "/servlet/SocietyUserQueryServlet";
	              var callback = responseResult;
	              var parameter = "queryType="+queryTypeValue+"&carMark="+trim(carMarkValue)+"&engineNo="+trim(engineNoValue);
	              
	              sendRequest(url,parameter,callback);
	          }
	       
	       } else if (queryTypeValue != "" && queryTypeValue=="secondQueryMode"){
	      
	           var policyNoValue = formObject.policyNo.value;
	      
	           if(trim(policyNoValue) == "" || policyNoValue == "保单号"){
	      
	               document.getElementById("secondQueryOperationInf").innerHTML = "请填写保单号！";
	               formObject.policyNo.style="bo"
	               formObject.policyNo.focus();
	               return;
	        
	           }else if( trim(policyNoValue) != "" && policyNoValue != "保单号"){
	           
	               document.getElementById("firstQueryOperationInf").innerHTML = "";
	               document.getElementById("secondQueryOperationInf").innerHTML = "";
	               document.getElementById("thirdQueryOperationInf").innerHTML = "";
	               
	               var url = "/servlet/SocietyUserQueryServlet";
	               var callback = responseResult;
	               var parameter = "queryType="+queryTypeValue+"&policyNo="+trim(policyNoValue);
	               
	               sendRequest(url,parameter,callback);
               }
	        } else if(queryTypeValue != "" && queryTypeValue=="thirdQueryMode"){
	            
	            var carMarkTValue = formObject.carMarkT.value;
	            var VINNoValue = formObject.VINNo.value; 
	            
	            if( trim(carMarkTValue) == "" || carMarkTValue == "号牌号码"){

	                document.getElementById("thirdQueryOperationInf").innerHTML = "请填写号牌号码！";
	                formObject.carMarkT.focus();
	                return;
	          
	            }else if(trim(VINNoValue) == "" || VINNoValue == "车架号"){
	          
	                document.getElementById("thirdQueryOperationInf").innerHTML = "请填写车架号！";
	                formObject.VINNo.focus();
	                return;
	          
                }else if((trim(carMarkTValue) != '' && carMarkTValue != "号牌号码") && (trim(VINNoValue) != '' && VINNoValue != "车架号")){
                
                    document.getElementById("firstQueryOperationInf").innerHTML = "";
	                document.getElementById("secondQueryOperationInf").innerHTML = "";
	                document.getElementById("thirdQueryOperationInf").innerHTML = "";
	                
	                var url = "/servlet/SocietyUserQueryServlet";
	                var callback = responseResult;
	                var parameter = "queryType="+queryTypeValue+"&carMarkT="+trim(carMarkTValue)+"&VINNo="+trim(VINNoValue);
	                
	                sendRequest(url,parameter,callback);
	            }    
	        } else{
	            alert("系统异常！请与系统管理员联系！");
	        }
	  }
	  
      function responseResult()
	  {
        if (xmlRequest.readyState == 4){
          if(xmlRequest.status == 200 || xmlRequest.status == 0){
          
            var result = xmlRequest.responseText;
            document.getElementById("queryResult").innerHTML = result;
            
          } else {
        	  
            alert("ajax status error : "+xmlRequest.status);
          }
        }
      }