function setbg(color)
{
document.getElementById("styled").style.background=color
}
function   showandhidden(id,msg,counter){  
	objForm=document.form1;
    //alert(counter);  
  if( document.getElementById(id).style.display=="block"  ){  
		document.getElementById(msg).innerHTML="    "+objForm.elements["signup_first_name_"+(counter)].value+" "+objForm.elements["signup_last_name_"+(counter)].value;
		document.getElementById(id).style.display="none"; 
  } else {
		document.getElementById(msg).innerHTML="    "+objForm.elements["signup_first_name_"+(counter)].value+" "+objForm.elements["signup_last_name_"+(counter)].value;
		document.getElementById(id).style.display="block";  
  }  
 
} 

function Check(id) {
	var CheckNum = 0;
  //document.forms['thisone'].chbx[i].checked=true;
  /*
# for(i=0;i<theform.length;i++) {  
#   //迴圈檢查型別為checkbox且名稱為ints[]的項目，是否有興趣值符合  
#   if(theform[i].type == "checkbox" && theform[i].name.indexOf('ints[]')!= "-1" && checkvalue.indexOf(theform[i].value)!=-1){  
#     theform[i].checked = true;  
#   } 
*/
	if (typeof(id) == "undefined")
		return CheckNum;

	if (id.length > 0) {
		//alert(id.length);
		for (i = 0; i < id.length; i ++)
			if ( id[i].checked ==true)
				CheckNum = CheckNum + 1;
	} else {
		if ( id.checked )
			CheckNum = 1;
	}

	return CheckNum;
}
  //得到Radio或Checkbox被选中的数目   数目<=0则表示没有被选中  
  function   GetCheckNum(checkobjectname)    
  {  
  var   truei   =   0;  
  checkobject   =   eval("document.all."+checkobjectname);  
  var   inum   =   checkobject.length;  
  if   (isNaN(inum))  
  {  
  inum   =   0;  
  }  
   
  for(i=0;i<inum;i++)  
  {  
  if   (checkobject[i].checked   ==   1)  
  {  
  truei   =   truei   +   1;  
  }  
  }  
  return   truei;  
  }  
   
  function   CheckIt()  
  {  
  if   (GetCheckNum('checkbox')   <=   0)  
  {  
  document.all.checkbox1.focus();  
  alert (lang["one_select"]);
  return   false;  
  }  
  }   


function IsNumeric(sText)

{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
}

function validate(field) {
	var valid = "0123456789"
	var ok =true;
	var temp;
	for (var i=0; i<field.value.length; i++) {
		temp = "" + field.value.substring(i, i+1);
		if (valid.indexOf(temp) == "-1") ok = false;
	}
	if (ok == false) {
	alert (lang["positive_integer"]);
	field.focus();
	field.select();
	}
}
function check_service(objForm){
	 if (objForm.elements["fname"].value=='') {
		alert (lang["fname"]);
		objForm.elements["fname"].focus();
		return false;
	 }else if (objForm.elements["lname"].value=='') {
		alert (lang["lname"]);
		objForm.elements["lname"].focus();
		return false;
	 }else if (objForm.elements["email"].value=='') {
		alert (lang["email"]);
		objForm.elements["email"].focus();
		return false;
		/*
	 }else if (objForm.elements["tel"].value=='') {
		alert (lang["tel"]);
		objForm.elements["tel"].focus();
		return false;*/
	 }else if (Check(objForm.elements["check_faq"])==0) {
		alert (lang["check_faq"]);
		objForm.elements["check_faq"][0].focus();
		return false;
	 }else if (objForm.elements["question"].value=='') {
		alert (lang["question"]);
		objForm.elements["question"].focus();
		return false;

	} else {
		objForm.action =objForm.elements["question"].value+".php";
		objForm.submit();
		return true;
	}

}
function check_order_delivery(objForm){
	 if (objForm.elements["order_type"].value=='') {
		alert (lang["order_type"]);
		objForm.elements["order_type"].focus();
		return false;
	 }else if (objForm.elements["order_no"].value=='') {
		alert (lang["order_no"]);
		return false;
	 }else if (objForm.elements["description"].value=='') {
		alert (lang["order_desc"]);
		return false;
	} else {
		objForm.submit();
		return true;
	}
}
function check_question_again(objForm){
	 if (objForm.elements["description"].value=='' || objForm.elements["description"].value=='Enter your comment here...') {
		alert (lang["describe_question"]);
		objForm.elements["description"].focus();
		return false;
	} else {
		objForm.submit();
		return true;
	}

}
function check_suggestions(objForm){
	 if (objForm.elements["type"].value=='') {
		alert (lang["suggestions_type"]);
		objForm.elements["type"].focus();
		return false;

	 }else  if (objForm.elements["description"].value=='' ) {
		alert (lang["suggestions_desc"]);
		objForm.elements["description"].focus();
		return false;
	} else {
		objForm.submit();
		return true;
	}
}
function check_find_charger(objForm){
	var device2=device3=device4=device5=0;
	if (objForm.elements["model2"].value!='')device2++;
	if (objForm.elements["type2"].value!=0)device2++;
	if (objForm.elements["brand2"].value!='')device2++;
	if (objForm.elements["model3"].value!='')device3++;
	if (objForm.elements["type3"].value!=0)device3++;
	if (objForm.elements["brand3"].value!='')device3++;
	if (objForm.elements["model4"].value!='')device4++;
	if (objForm.elements["type4"].value!=0)device4++;
	if (objForm.elements["brand4"].value!='')device4++;
	if (objForm.elements["model5"].value!='')device5++;
	if (objForm.elements["type5"].value!=0)device5++;
	if (objForm.elements["brand5"].value!='')device5++;
	if (objForm.elements["description"].value=='') {
		alert (lang["describe_question"]);
		objForm.elements["description"].focus();
		return false;
	}else if (objForm.elements["type1"].value=='0') {
		alert (lang["device_type1"]);
		document.getElementById('tabs-1').focus();
		//objForm.elements["type1"].focus();
		return false;
	}else if (objForm.elements["brand1"].value=='') {
		alert (lang["device_brand1"]);
		objForm.elements["brand1"].focus();
		return false;
	}else if (objForm.elements["model1"].value=='') {
		alert (lang["device_model1"]);
		objForm.elements["model1"].focus();
		return false;
	}else if (device2>0 && device2<3) {
		alert (lang["device2"]+device2);
		document.getElementById('tabs-2').focus();
		return false;
	}else if (device3>0 && device3<3) {
		alert (lang["device3"]);
		document.getElementById('tabs-3').focus();
		return false;
	}else if (device4>0 && device4<3) {
		alert (lang["device4"]);
		document.getElementById('tabs-4').focus();
		return false;
	}else if (device5>0 && device5<3) {
		alert (lang["device5"]);
		document.getElementById('tabs-5').focus();
		return false;

	/*
	}else if (IsNumeric(objForm.elements["voltage"].value)==false || objForm.elements["voltage"].value=="") {
		alert (lang["prod_voltage"]);
		objForm.elements["voltage"].focus();
		return false;
	}else if (IsNumeric(objForm.elements["current"].value)==false || objForm.elements["current"].value=="") {
		alert (lang["prod_current"]);
		objForm.elements["current"].focus();
		return false;
	*/
	} else {
		objForm.submit();
		return true;
	}
}
function check_prod_register(objForm){
		var div3 =new Array("3");
		var div2 =new Array("2","3");
		/****** ↓↓↓ ******/
		/** 判斷是否有選擇Model **/
		x = "";
		y = 0;
		for (i = 1; i <= (objForm.prod_no.length - 1); i++) {
			if (objForm.prod_no[i].selected) {
				x += (objForm.prod_no[i].value + " , ");
				y += 1;
			}
		}

		/****** ↑↑↑ ******/
	 if (objForm.elements["description"].value=='' || objForm.elements["description"].value=='Enter your comment here...') {
		alert (lang["describe_question"]);
		objForm.elements["description"].focus();
		return false;
	 }else if (y == 0) {
			alert (lang["prod_model"]);
            objForm.prod_no.focus();
			return false;
	/*
    } else if (!checkNull(objForm.pro_1V.value) && (objForm.prod_no.value!="29@SP1000")) {
		alert (lang["prod_output"]);
		objForm.pro_1V.focus();
		return false;
	} else if (!checkNull(objForm.pro_1A.value)  && (objForm.prod_no.value!="29@SP1000")) {
		alert (lang["prod_output"]);
		objForm.pro_1A.focus();
		return false;
	} else if (!checkNull(objForm.pro_2V.value) && in_array(objForm.output_check.value,div2)) {
		alert (lang["prod_output"]);
		objForm.pro_2V.focus();
		return false;
	} else if (!checkNull(objForm.pro_2A.value) && in_array(objForm.output_check.value,div2)) {
		alert (lang["prod_output"]);
		objForm.pro_2A.focus();
		return false;
	 } else if (!checkNull(objForm.pro_3V.value) && in_array(objForm.output_check.value,div3)) {
		alert (lang["prod_output"]);
		objForm.pro_3V.focus();
		return false;
	} else if (!checkNull(objForm.pro_3A.value) && in_array(objForm.output_check.value,div3)) {
		alert (lang["prod_output"]);
		objForm.pro_3A.focus();
		return false;
	*/
	} else if (!checkNull(objForm.prod_sn.value)) {
		alert (lang["prod_sn"]);
		objForm.prod_sn.focus();
		return false;	
	/*
	}else if (!checkNull(objForm.purchase_date.value)) {
            alert (lang["prod_purchase_date"]);
            objForm.purchase_date.focus();
            return false;

    } else if (!dateValidationCheck(objForm.purchase_date.value)) {
           // alert("Wrong date format for purchase date! (MM/DD/YYYY)");
            objForm.purchase_date.focus();
            return false;
	*/
	} else if (!checkNull(objForm.store.value)) {
            alert (lang["prod_purchase_store"]);
            objForm.store.focus();
            return false;
	
	} else {
		objForm.submit();
		return true;
	}
}
function check_tip_request(objForm){
		var div3 =new Array("3");
		var div2 =new Array("2","3");
		/****** ↓↓↓ ******/
		/** 判斷是否有選擇Model **/
		x = "";
		y = 0;
		for (i = 1; i <= (objForm.prod_no.length - 1); i++) {
			if (objForm.prod_no[i].selected) {
				x += (objForm.prod_no[i].value + " , ");
				y += 1;
			}
		}
//checkobject.length
		/****** ↑↑↑ ******/
	//alert(objForm.elements["upload_spec_count"].value);
	if (objForm.elements["description"].value=='') {
		alert (lang["describe_question"]);
		objForm.elements["description"].focus();
		return false;
	}else if (objForm.elements["type"].value=='0') {
		alert (lang["device_type"]);
		objForm.elements["type"].focus();
		return false;
	}else if ((objForm.elements["type"].value=='12') && (objForm.elements["other_type"].value=='')) {
		alert (lang["device_type"]);
		objForm.elements["other_type"].focus();
		return false;
	}else if (objForm.elements["brand"].value=='') {
		alert (lang["device_brand"]);
		objForm.elements["brand"].focus();
		return false;
	 }else if (objForm.elements["model"].value=='') {
		alert (lang["device_model"]);
		objForm.elements["model"].focus();
		return false;
	
	}else if (IsNumeric(objForm.elements["voltage"].value)==false || objForm.elements["voltage"].value=="") {
		alert (lang["prod_voltage"]);
		objForm.elements["voltage"].focus();
		return false;
	}else if (IsNumeric(objForm.elements["current"].value)==false || objForm.elements["current"].value=="") {
		alert (lang["prod_current"]);
		objForm.elements["current"].focus();
		return false;

	 }else if (objForm.elements["upload_spec_count"].value==0) {
		alert (lang["upload_spec"]);
		objForm.elements["upload_spec"][0].focus();
		return false;
	
	 }else if (Check(objForm.elements["check_buy"])==0) {
		alert (lang["prod_check_buy"]);
		objForm.elements["check_buy"][0].focus();
		return false;
	 }else if (objForm.elements["check_buy"][0].checked==true) {

			   if (Check(objForm.elements["check_member"])==0) {
					alert (lang["prod_once_register"]);
					objForm.elements["check_member"][0].focus();
					return false;

			   }else if (y == 0) {
					alert (lang["prod_model"]);
					objForm.prod_no.focus();
					return false;
			    /*
				} else if (!checkNull(objForm.pro_1V.value) && (objForm.prod_no.value!="29@SP1000")) {
					alert (lang["prod_output"]);
					objForm.pro_1V.focus();
					return false;
				} else if (!checkNull(objForm.pro_1A.value)  && (objForm.prod_no.value!="29@SP1000")) {
					alert (lang["prod_output"]);
					objForm.pro_1A.focus();
					return false;
				} else if (!checkNull(objForm.pro_2V.value) && in_array(objForm.output_check.value,div2)) {
					alert (lang["prod_output"]);
					objForm.pro_2V.focus();
					return false;
				} else if (!checkNull(objForm.pro_2A.value) && in_array(objForm.output_check.value,div2)) {
					alert (lang["prod_output"]);
					objForm.pro_2A.focus();
					return false;
				 } else if (!checkNull(objForm.pro_3V.value) && in_array(objForm.output_check.value,div3)) {
					alert (lang["prod_output"]);
					objForm.pro_3V.focus();
					return false;
				} else if (!checkNull(objForm.pro_3A.value) && in_array(objForm.output_check.value,div3)) {
					alert (lang["prod_output"]);
					objForm.pro_3A.focus();
					return false;
				
				} else if (!checkNull(objForm.prod_sn.value)) {
					alert (lang["prod_sn"]);
					objForm.prod_sn.focus();
					return false;
				
				}else if (!checkNull(objForm.purchase_date.value)) {
						alert (lang["prod_purchase_date"]);
						objForm.purchase_date.focus();
						return false;

				} else if (!dateValidationCheck(objForm.purchase_date.value)) {
					   // alert("Wrong date format for purchase date! (MM/DD/YYYY)");
						objForm.purchase_date.focus();
						return false;
				} else if (!checkNull(objForm.store.value)) {
						alert (lang["prod_purchase_store"]);
						objForm.store.focus();
						return false;
				*/
				}else {
					objForm.submit();
					return true;
				}
	 
	} else {
		objForm.submit();
		return true;
	}
}
function check_prod_app(objForm){
		var div3 =new Array("3");
		var div2 =new Array("2","3");
		/****** ↓↓↓ ******/
		/** 判斷是否有選擇Model **/
		x = "";
		y = 0;
		for (i = 1; i <= (objForm.prod_no.length - 1); i++) {
			if (objForm.prod_no[i].selected) {
				x += (objForm.prod_no[i].value + " , ");
				y += 1;
			}
		}

		/****** ↑↑↑ ******/

	if (objForm.elements["description"].value=='') {
		alert (lang["describe_question"]);
		objForm.elements["description"].focus();
		return false;
	}else if (objForm.elements["type"].value=='0') {
		alert (lang["device_type"]);
		objForm.elements["type"].focus();
		return false;
	}else if (objForm.elements["brand"].value=='') {
		alert (lang["device_brand"]);
		objForm.elements["brand"].focus();
		return false;
	 }else if (objForm.elements["model"].value=='') {
		alert (lang["device_model"]);
		objForm.elements["model"].focus();
		return false;
	/*
	}else if (IsNumeric(objForm.elements["voltage"].value)==false || objForm.elements["voltage"].value=="") {
		alert (lang["prod_voltage"]);
		objForm.elements["voltage"].focus();
		return false;
	}else if (IsNumeric(objForm.elements["current"].value)==false || objForm.elements["current"].value=="") {
		alert (lang["prod_current"]);
		objForm.elements["current"].focus();
		return false;*/
	 }else if (Check(objForm.elements["check_buy"])==0) {
		alert (lang["prod_check_buy"]);
		objForm.elements["check_buy"][0].focus();
		return false;
	 }else if (objForm.elements["check_buy"][0].checked==true) {

			   if (Check(objForm.elements["check_member"])==0) {
					alert (lang["prod_once_register"]);
					objForm.elements["check_member"][0].focus();
					return false;

			   }else if (y == 0) {
					alert (lang["prod_model"]);
					objForm.prod_no.focus();
					return false;
				/*
				} else if (!checkNull(objForm.pro_1V.value) && (objForm.prod_no.value!="29@SP1000")) {
					alert (lang["prod_output"]);
					objForm.pro_1V.focus();
					return false;
				} else if (!checkNull(objForm.pro_1A.value)  && (objForm.prod_no.value!="29@SP1000")) {
					alert (lang["prod_output"]);
					objForm.pro_1A.focus();
					return false;
				} else if (!checkNull(objForm.pro_2V.value) && in_array(objForm.output_check.value,div2)) {
					alert (lang["prod_output"]);
					objForm.pro_2V.focus();
					return false;
				} else if (!checkNull(objForm.pro_2A.value) && in_array(objForm.output_check.value,div2)) {
					alert (lang["prod_output"]);
					objForm.pro_2A.focus();
					return false;
				 } else if (!checkNull(objForm.pro_3V.value) && in_array(objForm.output_check.value,div3)) {
					alert (lang["prod_output"]);
					objForm.pro_3V.focus();
					return false;
				} else if (!checkNull(objForm.pro_3A.value) && in_array(objForm.output_check.value,div3)) {
					alert (lang["prod_output"]);
					objForm.pro_3A.focus();
					return false;
				*/
				} else if (!checkNull(objForm.prod_sn.value)) {
					alert (lang["prod_sn"]);
					objForm.prod_sn.focus();
					return false;	
				/*
				}else if (!checkNull(objForm.purchase_date.value)) {
						alert (lang["prod_purchase_date"]);
						objForm.purchase_date.focus();
						return false;

				} else if (!dateValidationCheck(objForm.purchase_date.value)) {
					   // alert("Wrong date format for purchase date! (MM/DD/YYYY)");
						objForm.purchase_date.focus();
						return false;
				*/
				} else if (!checkNull(objForm.output_port.value)) {
						alert (lang["output_port"]);
						objForm.output_port.focus();
						return false;

				}else {
					objForm.submit();
					return true;
				}
	 
	} else {
		objForm.submit();
		return true;
	}
}
function check_prod_ng(objForm){
		var div3 =new Array("3");
		var div2 =new Array("2","3");
		/****** ↓↓↓ ******/
		/** 判斷是否有選擇Model **/
		x = "";
		y = 0;
		for (i = 1; i <= (objForm.prod_no.length - 1); i++) {
			if (objForm.prod_no[i].selected) {
				x += (objForm.prod_no[i].value + " , ");
				y += 1;
			}
		}

		/****** ↑↑↑ ******/

	if (objForm.elements["description"].value=='') {
		alert (lang["describe_question"]);
		objForm.elements["description"].focus();
		return false;
	}else if (objForm.elements["type"].value=='0') {
		alert (lang["device_type"]);
		objForm.elements["type"].focus();
		return false;
	}else if (objForm.elements["brand"].value=='') {
		alert (lang["device_brand"]);
		objForm.elements["brand"].focus();
		return false;
	 }else if (objForm.elements["model"].value=='') {
		alert (lang["device_model"]);
		objForm.elements["model"].focus();
		return false;
	/*
	}else if (IsNumeric(objForm.elements["voltage"].value)==false || objForm.elements["voltage"].value=="") {
		alert (lang["prod_voltage"]);
		objForm.elements["voltage"].focus();
		return false;
	}else if (IsNumeric(objForm.elements["current"].value)==false || objForm.elements["current"].value=="") {
		alert (lang["prod_current"]);
		objForm.elements["current"].focus();
		return false;
	*/
	}else if (Check(objForm.elements["check_member"])==0) {
		alert (lang["prod_once_register"]);
		objForm.elements["check_member"][0].focus();
		return false;

	}else if (y == 0) {
		alert (lang["prod_model"]);
		objForm.prod_no.focus();
		return false;
	/*
    } else if (!checkNull(objForm.pro_1V.value) && (objForm.prod_no.value!="29@SP1000")) {
		alert (lang["prod_output"]);
		objForm.pro_1V.focus();
		return false;
	} else if (!checkNull(objForm.pro_1A.value)  && (objForm.prod_no.value!="29@SP1000")) {
		alert (lang["prod_output"]);
		objForm.pro_1A.focus();
		return false;

	} else if (!checkNull(objForm.pro_2V.value) && in_array(objForm.output_check.value,div2)) {
		alert (lang["prod_output"]);
		objForm.pro_2V.focus();
		return false;
	} else if (!checkNull(objForm.pro_2A.value) && in_array(objForm.output_check.value,div2)) {
		alert (lang["prod_output"]);
		objForm.pro_2A.focus();
		return false;
	 } else if (!checkNull(objForm.pro_3V.value) && in_array(objForm.output_check.value,div3)) {
		alert (lang["prod_output"]);
		objForm.pro_3V.focus();
		return false;
	} else if (!checkNull(objForm.pro_3A.value) && in_array(objForm.output_check.value,div3)) {
		alert (lang["prod_output"]);
		objForm.pro_3A.focus();
		return false;
	*/
	} else if (!checkNull(objForm.prod_sn.value)) {
		alert (lang["prod_sn"]);
		objForm.prod_sn.focus();
		return false;	
	
	}else if (!checkNull(objForm.purchase_date.value)) {
			alert (lang["prod_purchase_date"]);
			objForm.purchase_date.focus();
			return false;
	/*}else if (!checkNull(objForm.store.value)) {
			alert (lang["prod_purchase_store"]);
			objForm.store.focus();
			return false;

	} else if (!dateValidationCheck(objForm.purchase_date.value)) {
		   // alert("Wrong date format for purchase date! (MM/DD/YYYY)");
			objForm.purchase_date.focus();
			return false;
	*/
	/*
	} else if (!checkNull(objForm.tip_no.value)) {
			alert("You didn't provide the tip no !");
			objForm.tip_no.focus();
			return false;
	} else if (!checkNull(objForm.cable_no.value)) {
			alert("You didn't provide the cable no !");
			objForm.cable_no.focus();
			return false;
	
	} else if (!checkNull(objForm.output_port.value)) {
			alert (lang["output_port"]);
			objForm.output_port.focus();
			return false;
	*/
	}else if (objForm.elements["use_place"].value=='') {
		alert (lang["use_place"]);
		objForm.elements["use_place"].focus();
		return false;
	}else if (objForm.elements["use_frequency"].value=='') {
		alert (lang["use_frequency"]);
		objForm.elements["use_frequency"].focus();
		return false;

	}else if (Check(objForm.elements["use_timeout"])==0) {
		alert (lang["use_timeout"]);
		objForm.elements["use_timeout"][0].focus();
		return false;
 
	} else {
		objForm.submit();
		return true;
	}
}
function dateValidationCheck(str){
       var re = new RegExp("^([0-9]{4})[.-]{1}([0-9]{1,2})[.-]{1}([0-9]{1,2})$");
       var strDataValue;
       var infoValidation = true;
       
       if ((strDataValue = re.exec(str)) != null){
              var i;
              i = parseFloat(strDataValue[1]);
              if (i <= 0 || i > 9999){ // 年
                     infoValidation = false;
              }
              i = parseFloat(strDataValue[2]);
              if (i <= 0 || i > 12){ // 月
                     infoValidation = false;
              }
              i = parseFloat(strDataValue[3]);
              if (i <= 0 || i > 31){ // 日
                     infoValidation = false;
              }
       }else{
              infoValidation = false;
       }

       if (!infoValidation){
			alert (lang["date_format"]);

       }
       return infoValidation;
}

function in_array(needle, haystack) {
  if(typeof needle == 'string' || typeof needle == 'number') {
    for(var i in haystack) {
      if(haystack[i] == needle) {
          return true;
      }
    }
  }
  return false;
}
// 去除字串前後空白
String.prototype.trim = function() {
	return this.replace(/(^\s*)|(\s*$)/g, "");
} 

// 檢查欄位內容是否為空
function checkNull (column) {
	column = column.trim();
	if( column.length == 0 ) {
		return false;
	} else {
		return true;
	}		
}

/***********************************************
* Email Validation script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i

function checkmail(email){
	var returnval=emailfilter.test(email);
	return returnval;
}


function check_person(i){
	objForm=document.form1;
	if (objForm.elements["signup_first_name_"+i].value=='') {
		alert ("Please Input NO."+(i+1)+" First name ");
		objForm.elements["signup_first_name_"+i].focus();
		return false;
	} 
	if (objForm.elements["signup_last_name_"+i].value=='') {
		alert ("Please Input NO."+(i+1)+" Last name ");
		objForm.elements["signup_last_name_"+i].focus();
		return false;
	} 
	
	if (Check(objForm.elements["signup_join_id_"+i])==0){
		//alert (Check(objForm.elements["signup_join_id_"+i]));
		alert ("Please select the NO."+(i+1)+" activities to participate in");
		//objForm.elements["signup_class"].focus();
		return false;
	}

	return true;
}