function chkinput(frm) {
	var sErrMsg="";
	sErrMsg+=hasValue(frm.sAccount,"用户名");
	sErrMsg+=hasValue(frm.sUsername,"昵称");
	sErrMsg+=hasValue(frm.sPwd,"密码");
	sErrMsg+=hasValue(frm.sPwdr,"确认密码");
	sErrMsg+=hasValue(frm.sPansw,"问题答案");
	sErrMsg+=hasValue(frm.sEmail,"邮件地址");
	
	if (sErrMsg!="") {
	alert("以下输入内容不完整：\n"+sErrMsg);
	return false;
	}
	
	if(frm.sAccount.value == ""){
	alert("请您输入用户名") ;
	frm.sAccount.focus();
	return  false ;
	}

	if(frm.sUsername.value == ""){   
	alert("请输入您的昵称") ;
	frm.sUsername.focus();
	return false ;
	}
	
	if(frm.sPwd.value == "" || frm.sPwdr.value ==""){
	alert("请确认密码不为空.") ;
	frm.sPwd.focus();
	return false;
	}
	if(frm.sPwd.value != frm.sPwdr.value){
	alert("请确保密码相同") ;
	frm.sPwdr.focus();
	return  false;
	}
	
	if(frm.sPansw.value =="" || frm.sPansw.value.length < 3){
	alert("请你确认正确的答案!") ;
	frm.sPansw.focus();
	return false ;
	}
	
	if(frm.sEmail.value == ""){
	alert("请您输入邮箱") ;
	frm.sEmail.focus();
	return false ;
	}

	return true;
	}