function checklogin(o){
	var cansub = true;
	var password = o.password;
	if(password.value.strtrim().length <1){
		$$('e_password').innerHTML = "·密码不能为空。";
		$$('e_password').className = "c_red";
		cansub = false;
		password.focus();
	}else if(password.value.strtrim().length <6 || password.value.strtrim().length >20){
		$$('e_password').innerHTML = "·密码长度为6 -20位。";
		$$('e_password').className = "c_red";
		cansub = false;
		password.focus();
	}else{
		$$('e_password').innerHTML = "";
		$$('e_password').className = "";
	}
	var uid = o.uid;
	if(uid.value.strtrim().length <1){
		$$('e_uid').innerHTML = "·号码/E-Mail不能为空。";
		$$('e_uid').className = "c_red";
		cansub = false;
		uid.focus();
	}else if(uid.value.strtrim().length <4 || uid.value.strtrim().length >50){
		$$('e_uid').innerHTML = "·号码/E-Mail长度为至少大于4位。";
		$$('e_uid').className = "c_red";
		cansub = false;
		uid.focus();
	}else{
		$$('e_uid').innerHTML = "";
		$$('e_uid').className = "";
	}
	
	if(cansub){
		o.s1.disabled = true;
		return true;
	}else{
		return false;
	}
}
function log_hl(id){
	if(id == 's_uid'){
		$$('s_uid').className = 'border_box';
		$$('s_pwd').className = 'c_gray';
	}else if(id == 's_pwd'){
		$$('s_pwd').className = 'border_box';
		$$('s_uid').className = 'c_gray';
	}
}