Jquery pop-up masking Layer

I found a hidden layer written by someone else to improve the performance.

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Code:

 <!  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  >      < Title  > Tipsw.wn </  Title  >      <  Link  Href  = "CSS/tipswindown.css"  REL  = "Stylesheet"  Type  = "Text/CSS"   />      <  Script SRC  = "JS/jquery-1.8.js"  Type  = "Text/JavaScript"  > </  Script  >      <  Script  SRC  = "JS/tipsw.wn. js"  Type  = "Text/JavaScript"  > </  Script  >     <  Style  Type  = "Text/CSS"  >  # Main  {  Width  :  300px  ;  Margin  : 50px auto  ;  Font-family  :  Arial, calibri  ;  }  # Main. BTN  {  Width  : 150px  ;  Height  :  30px  ;  Line-height  :  30px  ;  Font-size  : 14px  ;  Vertical-align  :  Middle  ;  Color  :  #333333  ;  Font-weight  : Bold  ;  Text-Decoration  :  None  ;  Display  :  Block  ;  Text-align  : Center  ;  Background  :  # Ccc  ;  }  # Main. BTN: hover  {  Vertical-align  : Middle  ;  Color  :  # Fff  ;  Font-weight  :  Bold  ;  Text-Decoration  : None  ;  Display  :  Block  ;  Text-align  :  Center  ;  Background  : #333  ;  }      </  Style  >      <  Script  Type  = "Text/JavaScript"  >  $ (  Function  () {$ ( "  # Dialogshow  "  ). Click (  Function  () {Tips0000wn (  "  Cnblogs  "  ,  " ID: Dialog  "  ,  "  450  "  ,  "  200  "  ,  " True  "  ,  ""  ,  "  True  "  ,  "  ID  " );});})  Function  OK () {window. Location. href  =   "  Http://www.cnblogs.com/  "  ;}  Function  Cancel () {$ ( "  # Windownbg  "  ). Remove (); $ (  "  # Mongown-box  "  ). Fadeout (  "  1000  " ,  Function  () {$ (  This  ). Remove ();});}  </  Script  >  </  Head  >  <  Body  >  < Div  ID  = "Main"  >      <  A  Href  = "Javascript: void (0 );"  Class  = "BTN"  ID  = "Dialogshow"  > Dialogshow </  A  >  </ Div  >  <  Div  ID  = "Dialog"  Style  = "Display: none"  ;  >      <  Div  Class  = "Dialogtext"  >          <  P > Please click on the OK button to go the http://www.cnblogs.com/website and you shoshould just wait. </  P  >          <  P  > If you are accessing this page by mistake Please click on the cancel link. </  P  >
</  Div  >      <  Div Class  = "Dislogbtn"  >          <  A  Href  = "Javascript: void (0 );"  Class  = "BTN"  ID  = "OK"  Onclick  = "OK ()"  > OK </  A  >         <  A  Href  = "Javascript: void (0 );"  Class  = "BTN"  ID  = "Cancel"  Onclick  = "Cancel ()"  > Cancel </  A  >      </  Div  > </  Div  >     </  Body  >  </  Html  > 

Source code