function loginSub(){
	var isSucce=checkUserLoginText();
	if(isSucce){
		document.getElementsByName("userLoginForm")[0].submit();
	}
}
function loginNotSucce(pa){
	if(pa=="no")
		alert(document.getElementsByName("loginIsNotSucce")[0].value);
	else if(pa=="error")
		alert(document.getElementsByName("loginIsError")[0].value);
	else if(pa=="loginIsOut")
		alert(document.getElementsByName("loginIsOut")[0].value);
	else if(pa=="noRight")
		alert(document.getElementsByName("noRight")[0].value);
	else if(pa=="forbid")
		alert(document.getElementsByName("loginForbid")[0].value);
}
function checkUserLoginText(){
	var un=document.getElementsByName("userName")[0];
	var up=document.getElementsByName("userPassword")[0];
	un.value=trim(un.value);
	if(un.value==""){
		alert(document.getElementsByName("userNameIsNull")[0].value);
		return false;
	}
	up.value=trim(up.value);
	if(up.value==""){
		alert(document.getElementsByName("userPasswordIsNull")[0].value);
		return false;
	}
	return true;
}