Basically my output is this:
Index.php
("You can see the list of users"
"Post Grade"
"Edit my Personal Information"
"My Posted Grades"
"My Personal Messages"
"Logout")
I have a two level of users students and instructors. What i want to happen is that the link "Post Grade" can only be viewed if the instructors is logged in and if the students are logged the link will just be blank.. how can do it? help pls