function valid_login(objform)
		 {
		 user=objform.uid.value;
		 pass=objform.password.value;

			if (user == "")
				{
				alert("Please Enter Username")
				objform.uid.focus();
				return false
				}
			if (pass=="")
				{
				alert("Please Enter Password")
				objform.password.focus();
				return false
				}
		}