1.     "images"      .

2.    .  ""    " ". (  =>  =>  )

3.    .  "  (CSS)"   "  (CSS)". (  =>  =>   (CSS))

4.   ,     "".
    .    .

5.     =>  =>    :
   1)   jQuery: jquery-1.7.2.js
   2)      :  
   3)   <!DOCTYPE>: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

6.     =>   .
6.1. => 
 ""  "<img src="/images/on3.gif" />".
 ""  "<img src="/images/off3.gif" />".
6.2. =>     
 "AOL "  "Skype".
6.3. =>    "" 
 " "  " ".
 "  "  " ".
 "  1"  "IP:PORT".
 "  2"  " ".
 "  3"  " ".
 "  4"  " ".
6.4. =>    " "
 "  1"  " (88x31)".

7.     =>  =>  .
7.1.    " "  " " -  .
7.2.        " ", " "  "  2" - http://site.ru//forum_img/

8.     =>   =>  .
8.1.   "   ".
8.2. : " "(2 ), "  " (1 ), "  " (1 )  "" (2 ). 

9.     =>   =>  .
9.1.   "   ".
9.2. : " "(2 ), "  " (1 ), "  " (1 )  "" (2 ). 

10.     =>   =>  .
10.1.   "   ".
10.2. : " " (2 ), "  " (2 ), "  " (1 ), "" (2 ), "-" (1 ), "      " (1 ), "    " (1 ).

11.     =>   =>  .
11.1.   "   ".
11.2. : " " (2 ), "  " (2 ), " " (2 ), " (88x31)"  "  1" (2 ).

12.     =>  =>  .
12.1.   "   ".
12.2. : " "  " " (2 ),  "  "  " " (1 ), "  1"  "IP:PORT" (2 ), "  2"  " " (2 ), "  3"  " " (2 ), "  4"  " " (2 ).