[jQuery] shadow box+ajax and i have few queries .plz advice me

[jQuery] shadow box+ajax and i have few queries .plz advice me


Hi,
-> How to show the shadow box with the help of jquery.
->how to call ajax.(when i tried $.post ,it requested twice .One with
the url i provided and another the current page url).How to resolve
this
-> How to load the result from ajax ie response text?
->How to show some images while calling ajax and till we get the
response.
->how to show validation by changing the border color.
.Please advice me.