function datacheck(){
		if (reg.userid.value=="") {
			alert("请输入您的登录名!");
			
			reg.userid.focus();
			return false;
		}
		if (reg.pwd.value=="") {
			alert("请输入您的密码!");
			
			reg.pwd.focus();
			return false;
		}
		if (reg.pwd.length<6) {
			alert("请输入至少六位密码!");
			
			reg.pwd.focus();
			return false;
		}
		if (reg.pwd.value!=reg.confirmpwd.value) {
			alert("请输入同样的密码 !");
			
			reg.pwd.focus();
			return false;
		}
       if (reg.realname.value=="") {
			alert("请输入您的真实姓名 !");	
	     	reg.realname.focus();
			return false;
		}
		if (reg.title.value=="") {
			alert("请输入您的职务 !");
			
			reg.title.focus();
			return false;
		}
	
		if (reg.company.value=="") {
			alert("请输入您的公司名称!");
			
			reg.company.focus();
			return false;
		}
		if (reg.address.value=="") {
			alert("请输入您的公司地址 !");
			
			reg.address.focus();
			return false;
		}
		if (reg.city.value=="") {
			alert("请输入您的城市!");
			
			reg.city.focus();
			return false;
		}
		if (reg.postcode.value=="") {
			alert("请输入您的邮编!");
			
			reg.postcode.focus();
			return false;
		}
		if (reg.telephone.value=="") {
			alert("请输入您的电话号码 !");
			
			reg.telephone.focus();
			return false;
		}
		if (reg.email.value=="") {
			alert("请输入您的电子邮件!");
			
			reg.email.focus();
			return false;
		}
		
   var variable_Sub = 0;
   for (var  i=1;i<6;i++){
	    var obj = eval("reg.title"+i);
		var	obj2= eval("reg.checkbox"+i);
		if (obj.checked==true){		
			if (obj2[0].checked==false && obj2[1].checked==false){
				alert("请选择订阅期限!");
				return false;
			}
		}   
    }
  return true;
}


function checkdata() {
		if (frmInput.username.value=="") {
			alert("Please Input Your Username !");
			
			frmInput.username.focus();
			return false;
		}
		if (frmInput.password.value=="") {
			alert("Please Input Your Password !");
			
			frmInput.password.focus();
			return false;
		}
		return true;
	}


	function membercheck() {
		
		
		if (frmInput.fname.value=="") {
			alert("Please Input Your FirstName !");	
	     	frmInput.fname.focus();
			return false;
		}
		if (frmInput.lastname.value=="") {
			alert("Please Input Your Lastname !");
			
			frmInput.lastname.focus();
			return false;
		}
		if (frmInput.title.value=="") {
			alert("Please Input Your Title !");
			
			frmInput.title.focus();
			return false;
		}
		if (frmInput.company.value=="") {
			alert("Please Input Your Company !");
			
			frmInput.company.focus();
			return false;
		}
		if (frmInput.Address1.value=="") {
			alert("Please Input Your Address1 !");
			
			frmInput.Address1.focus();
			return false;
		}
		if (frmInput.city.value=="") {
			alert("Please Input Your City !");
			
			frmInput.city.focus();
			return false;
		}
		if (frmInput.postcode.value=="") {
			alert("Please Input Your Zip/Postal Code !");
			
			frmInput.postcode.focus();
			return false;
		}
		if (frmInput.telephone.value=="") {
			alert("Please Input Your Telephone !");
			
			frmInput.telephone.focus();
			return false;
		}
		if (frmInput.email.value=="") {
			alert("Please Input Your E-mail Address !");
			
			frmInput.email.focus();
			return false;
		}
		if (frmInput.userid.value=="") {
			alert("Please Input Your User ID!");
			
			frmInput.userid.focus();
			return false;
		}
		if (frmInput.pwd.value=="") {
			alert("Please Input Your Password !");
			
			frmInput.pwd.focus();
			return false;
		}
		if (frmInput.pwd.value!=frmInput.confirmpwd.value) {
			alert("Please enter same password in both fields !");
			
			frmInput.pwd.focus();
			return false;
		}
		return true;
	}