MD5 asynchronous encryption (jquery + PHP + MySQL)

HTML:

 <!  Doctype HTML public "-// W3C // dtd xhtml 1.0 transitional // en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"  >  
  <  Html  Xmlns  = "Http://www.w3.org/1999/xhtml"  >  
  <  Head  >  
  < Meta  HTTP-equiv  = "Content-Type"  Content  = "Text/html; charsets = UTF-8"     />  
  <  Title  >  MD5  </  Title  >  
  < Script  SRC  = "Jquery-1.4.2.min.js"  Type  = "Text/JavaScript"  > </  Script  >  
  <  Script  Type  = "Text/JavaScript"  >  
  Function Sendvalue (){
Alert ($ (  "  # Source  "  ). Val ());
$. Ajax ({
Type:  '  Get  '  ,
URL:  '  Md5service. php '  ,
Data: {MD5: $ (  '  # Source  '  ). Val ()},
Error:  Function  (){
Alert (  "  Error occured !!!  " );
},
Success: callback
});
  Return     True  ;
}

  Function  Callback (back ){
Alert (back );
$ (  "  # Result  " Pai.html (back );
}
  </  Script  >  
  </  Head  >  

  <  Body  >  
  <  Form  Action = "Md5service. php"  Method  = "Get"  Target  = "_ Self"  Name  = "Form1"     >  
  <  Label  >  Enter the data to be encrypted:  </  Label  > < Input  Name  = "Source"  Type  = "Text"  ID  = "Source"     /> <  BR  />  
  <  Input  Type  = "Button"  Value = "MD5"  Onclick  = "Sendvalue ()"     />  
  </  Form  >  
  <  P  >  Result:  </  P  > 
  <  Div  ID  = "Result"     >  
Result
  </  Div  >  
  </  Body  >  
  </ Html  > 

PHP:

 <!  Doctype html  Public     "  -// W3C // dtd xhtml 1.0 transitional // en  "     "  Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd  "  >  
 <  HTML xmlns  =  "  Http://www.w3.org/1999/xhtml  "  >  
  <  Head  >  
  <  Meta HTTP  -  Equiv  = "  Content-Type  "  Content  =  "  Text/html; charset = UTF-8  "     />  
  <  Title  >  MD5  </  Title >  
  </  Head  >  

  <  Body  >  
  <?  PHP
  $ Source     =     $ _ Get  [ "  MD5  "  ];
  $ Md5value     =     MD5  (  $ Source  );
  Echo     $ Md5value  ;
  $ Con    =     Mysql_connect  (  "  Localhost  "  ,  "  Root  "  ,  "  Niuniu  "  );
  If  ( !  $ Con  )
{
  Die  (  "  Connect error!  "  )  .  Mysql_error  ();
}

  Mysql_select_db  (  "  My_md5  " ,  $ Con  );

  $ SQL     =     "  Insert into md5s (source, MD5) values ('  "  .  $ Source  .  "  ','  "  . $ Md5value  .  "  ')  "  ;

  Mysql_query  (  $ SQL  );

  Mysql_close  (  $ Con  );

  ?>  
  </ Body  >  
  </  Html  >