function QPSiteLogin()
	{
		if (mainform.username.value == "" || mainform.username.value == "guest") 
		{	  
			mainform.submit();
		}
		if (mainform.password.value == "") 
		{
			alert("ΗλΚδΘλΔϊ΅ΔΓάΒ룑");
			mainform.password.focus();
			return false;
		}
	}