this is a little bit tricky.
usually when someone clicks on a link that requires him to register, this person will be redirected to the registration page and then back to the last visited page. this is possible cause the link sent a GET key through the url to the registration.php which uses the key to go back to last visited page.
but i intend to use jquery ajax for registration. basically ive got 3 different php pages. all of them include the same header.php. and in header.php ive got a registration button which i have id tagged. when this button is clicked ( $(#registration_button).click()... ) jquery will show a box (a div that was hidden in the center of the browser) with registration information. then he will register and i will redirect him to the last visited page, that is to say the current one he sees. i have to refresh the php-page to be able to show all links that a registered user can see, thats why i have to use window.location.href.
now to the question. how do i let jquery know which page is the current one he is visiting? ive got 3 php-pages.
if there is something you dont understand, please free to ask. or if you got suggestions of other solutions, let me know. but i really want to display the registration box right away without redirecting him to another page.