halo there, i have research some web. first they will display out the basic search. if they wan to do an advanced search, they can click on the advanced search link. then it will display out a layer. i would liek to do something same as the picture,it not look like a popup. let say the search functino is in the index.asp, then when i click on the advanced search, got one layer will display out and it still is the same index page.
this is the web that i refer :
hereby i attached one image. i hope can hear from you all soon.

thanx alot