function user_check(){
    if(post.UserName.value==''){
		alert("对不起，请输入姓名！");
		post.UserName.focus();
		return false;
	}
	if(post.ddlLicense.value==''){
		alert("对不起，请选择证件类型！");
		post.ddlLicense.focus();
		return false;
	}
	if(post.txtIDNo.value==''){
		alert("对不起，请输入证件号码！");
		post.txtIDNo.focus();
		return false;
	}
	if(post.txtMobilephone.value==''){
		alert("对不起，请输入移动电话！");
		post.txtMobilephone.focus();
		return false;
	}
	if(post.txtAccount_Name.value==''){
		alert("对不起，请输入帐号姓名！");
		post.txtAccount_Name.focus();
		return false;
	}
	if(post.txtBank_Name.value==''){
		alert("对不起，请输入银行姓名！");
		post.txtBank_Name.focus();
		return false;
	}
	if(post.txtAccountNo.value==''){
		alert("对不起，请输入银行帐号！");
		post.txtAccountNo.focus();
		return false;
	}
}