
<html>
<head> 
<script type="text/javascript">

function Convert_Font_01()

{  
 
var array_one = new Array(  

  'göç' ,     'öçg' ,
  'gôç' ,     'ôçg' ,
  'ñç'  ,     'çñ'  ,
  'gç'  ,     'çg'  ,
  'Çö'  ,     'öÇ'  ,
  'Çõ'  ,     'õÇ'  ,
  'Çô'  ,     'ôÇ'  ,
  'Ç÷'  ,     '÷Ç'  ,
  'Çù'  ,     'ùÇ' ,
  '\Éö' ,     '\öÉ' ,
  'Êõ'  ,     'õÊ'  , 
  'Êö'  ,     'öÊ' ,
  'Éõ'  ,     'õÉ'  ,
  'gõç' ,     'õçg'  ,
  

'lù'  ,	   'ক্ষ'   ,
'yÔ'  ,    'ক্র'  , 
'pû'  ,	   'জ্ঞ'  ,
'Nþ'  ,	   'ক্ত'  ,
'Ò'   ,	   '্র'   ,
'¶‘ö' ,	   'ম্ব'   ,
'ˆù'  ,	   'দ্ধ'   ,
'~'   ,	   'ন্ন'   ,
'yÔ'  ,	   'ক্র'  ,
'Øšö' ,	   'স্থ'   ,
'Ø™ö' ,	   'স্ত'   ,
'Ÿ'   ,	   '্঵'  ,
'rô'  ,	   'ষ্ট'   ,
'Ð'   ,	   '্র'  ,
'vô'  ,	   'ট্ট'  ,
'\†'  ,	   'ঙ্গ'  ,
'Ü™ö' ,	   'ন্ত'  ,
'‰ø'  ,	   'ণ্ড'  ,
'±¼ö' ,	   'ত্঵'  ,
'¸Jô' ,	   'শ্চ'  ,
'áø'  ,    'ঙ্ক'  ,
'‡û'  ,	   'ঞ্চ'  ,
'μù'  ,	   'ন্ধ'  ,

  '±Á'  ,     'ত্ম' ,
  'wø'  ,     'ত্ত'  , 
  'oeö' ,     'ষ্ঠ'  ,  
  '•õ'  ,     'স্ক' , 
  '\”'  ,     'ল্প' ,
  'μu'  ,     'ন্ধ' ,
  '°Oô' ,     'ন্ট' ,
  '\}'  ,     'ভ্র' ,
  '±óö' ,     'ত্ন' ,
  'Ü—ö' ,     'ন্ত্র' ,
  'Ø—ö' ,     'স্ত্র' ,
  'OE'  ,     'ব্দ' ,
  'zõ'  ,     'ক্ল' ,
  '\`À'  ,    'শ্ল'  ,
  '•ö'  ,     'ম্ভ' ,
  'Â'   ,     '্ন' ,
  '\‘ö' ,     'ব'  ,
  
  'Eïõ' ,     'র্ক'   ,
  'EËõ' ,     'ক্'   ,
  'Eõ' 	,	  'ক' 	,
  'F' 	,	  'খ' 	,
  'G' 	,	  'গ' 	,
  'H' 	,	  'ঘ' 	,
  'I' 	,	  'ঙ' 	,
  '¬' 	,	  'চ্' 	,    
  '»Jô' ,	  'চ' 	,
  '»K÷'	,	  'ছ' 	,
  'L' 	,	  'জ' 	,
  'Mõ' 	,	  'ঝ' 	,
//  'ঞ' 	,	  'ঞ' 	,
  '»Oô' ,	  'ট' 	,
  'Pö' 	,	  'ঠ' 	,
  'Qö' 	,	  'ড' 	,
  'QÍö' ,     'ড়'   ,
  'ঢ' 	,	  'ঢ' 	,
  'S' 	,	  'ণ' 	,
  'd'   ,	  'ত্' 	,     
  'Tö' 	,	  'ত' 	,
  'U' 	,	  'থ' 	,
  'V' 	,	  'দ' 	,
  'Wý' 	,	  'ধ' 	,
  '³' 	,	  'ন্' 	,   
  'X' 	,	  'ন' 	,
  'oö'  ,     'ন'   ,
  'Y' 	,	  'প' 	,
  'Zõ' 	,	  'ফ' 	,
  'Ì\[ý' ,	  'র' 	,
  '\[ý' ,	  'ব' 	,
  '\[' 	,	  'ব্' 	,  
  '\\ö' ,	  'ভ' 	,    
  '\]'  ,	  'ম' 	,
  'Ì^'  ,     'য'   ,
  '^' 	,	  'য' 	,  // 'j' uccaaran
  'î' 	,	  '্য' 	,  // eg in 'vyakti' 
  '_' 	,	  'ল' 	,
  '\`' 	,	  'শ' 	,
  'b' 	,	  'ষ' 	,
  'a' 	,	  'স' 	,
  'Ø'   ,     'স্'   ,
  'c÷' 	,	  'হ' 	,

'K÷'    ,     'চ্ছ'  ,   
'y'   	,     'ত্র'  ,
'£'     ,     'শু'  ,
  	
	
  '%ç'	,	  'আ'	,
  '%'	,	  'অ'	,
  '+'	,	  'ই'	,
//  'ঈ'	,	  'ঈ'	,
  '='	,	  'উ'	,
//  'ঊ'	,	  'ঊ'	,
//  'ঋ'	,	  'ঋ'	,
  'A'	,	  'এ'	,
  'B'	,	  'ঐ'	,
  'C'	,	  'ও'	,
//  'ঔ'	,	  'ঔ'	,

'ç' 	,	  'া'  ,
'Ý' 	,	  'ী'  ,
'Ç' 	,	  'ু'  ,
'Ó' 	,	  'ু'  ,
'É' 	,	  'ূ'  ,
'Ê' 	,	  'ৃ'  ,
'e' 	,	  'ং'  ,
'g'     ,     'ঁ'   ,
'ñ'     ,     'ঁ'   ,
	
	
'0' 	,	  '০'  ,
'1' 	,	  '১'  ,
'2' 	,	  '২'  ,
'3' 	,	  '৩'  ,
'4' 	,	  '৪'  ,
'5' 	,	  '৫'  ,
'6' 	,	  '৬'  ,
'7' 	,	  '৭'  ,
'8' 	,	  '৮'  ,
'9'     ,	  '৯'       )
  

var array_one_length = array_one.length ;
 

      document.getElementById("unicode_text").value = "You have chosen SIMPLE TEXT  in BN-TTDurga font to convert into Unicode Devanagari. Conversion in progress.."  ;  

      var modified_substring = document.getElementById("legacy_text").value  ;


//****************************************************************************************
//  Break the long text into small bunches of max. max_text_size  characters each.
//****************************************************************************************
    var text_size = document.getElementById("legacy_text").value.length ;

    var processed_text = '' ;  //blank

    var sthiti1 = 0 ;  var sthiti2 = 0 ;  var chale_chalo = 1 ;
 
    var max_text_size = 6000;

    while ( chale_chalo == 1 ) 
    {
     sthiti1 = sthiti2 ;

     if ( sthiti2 < ( text_size - max_text_size ) )  
     { 
      sthiti2 +=  max_text_size ;
      while (document.getElementById("legacy_text").value.charAt ( sthiti2 ) != ' ') {sthiti2--;}
     } 
     else  { sthiti2 = text_size  ;  chale_chalo = 0 }

      modified_substring = document.getElementById("legacy_text").value.substring ( sthiti1, sthiti2 )  ;

      Replace_Symbols( ) ;

      var processed_text = processed_text + modified_substring ;

//  Breaking part code over

      document.getElementById("unicode_text").value = processed_text  ;

    }
  

 //--------------------------------------------------

 function Replace_Symbols( )
    {

     if ( modified_substring != "" )  // if string to be converted is non-blank then no need of any processing.
        {
         for(input_symbol_idx = 0;   input_symbol_idx < array_one_length-1 ;    input_symbol_idx = input_symbol_idx + 2 )

            {
             indx = 0  ;  // index of the symbol being searched for replacement
             
             while (indx != -1 ) //whie-00
                {
                 modified_substring = modified_substring.replace( array_one[ input_symbol_idx ] , array_one[input_symbol_idx + 1] )
                 indx = modified_substring.indexOf( array_one[input_symbol_idx] )

                } // end of while-00 loop
            } // end of for loop

	
//----------------------------------------------------------------------
			
var position_of_i = modified_substring.indexOf( "×" )

while ( position_of_i != -1 )  //while-02
{
var character_next_to_i = modified_substring.charAt( position_of_i + 1 )
var character_to_be_replaced = "×" + character_next_to_i
modified_substring = modified_substring.replace( character_to_be_replaced , character_next_to_i + "ি" ) 
position_of_i = modified_substring.search( /×/ , position_of_i + 1 ) // search for i ahead of the current position.

} // end of while-02 loop


// following loop to eliminate 'chhotee ee kee maatraa' on half-letters as a result of above transformation.

var position_of_wrong_ee = modified_substring.indexOf( "ি্" ) 

while ( position_of_wrong_ee != -1 )  //while-02_1

{
var consonent_next_to_wrong_ee = modified_substring.charAt( position_of_wrong_ee + 2 )
var charecter_to_be_replaced = "ি্" + consonent_next_to_wrong_ee 
modified_substring = modified_substring.replace( charecter_to_be_replaced , "্" + consonent_next_to_wrong_ee + "ি" ) 
position_of_wrong_ee = modified_substring.search( /ি্/ , position_of_wrong_ee + 2 ) // search for 'wrong ee' ahead of the current position. 

} // end of while-02_1 loop



//---------------------------------------------------------------------------			
	
// Code for regularizing 'ai'  kii maatraa

position_of_i = modified_substring.indexOf( "ê" )

while ( position_of_i != -1 )  //while-03_1
{
var character_next_to_i = modified_substring.charAt( position_of_i + 1 )
var character_to_be_replaced = "ê" + character_next_to_i
modified_substring = modified_substring.replace( character_to_be_replaced , character_next_to_i + "ৈ" ) 

position_of_i = modified_substring.search( /ê/ , position_of_i + 1 ) // search for i ahead of the current position.

} // end of while-03_1 loop	



// code for regularizing  'e', 'o' and 'au'  maatraa

modified_substring = modified_substring.replace ( /ã/g , 'å' ) ;
modified_substring = modified_substring.replace ( /ä/g , 'å' ) ;

 position_of_i = modified_substring.indexOf( "å" )

while ( position_of_i != -1 )  //while-03
{
var character_next_to_i = modified_substring.charAt( position_of_i + 1 )
var character_to_be_replaced = "å" + character_next_to_i
modified_substring = modified_substring.replace( character_to_be_replaced , character_next_to_i + "ে" )  

position_of_i = modified_substring.search( /å/ , position_of_i + 1 ) // search for i ahead of the current position.

} // end of while-03 loop		
			
modified_substring = modified_substring.replace ( /েा/g , "ো" )  ;  




//************************************************
// Eliminating reph "ï" and putting 'half - r' at proper position for this.
set_of_matras = "ািীুূৃেৈোৌং:ঁ"

modified_substring = '  ' + modified_substring ;  // to avoid error due to search index becoming negative.
var position_of_R = modified_substring.indexOf( "ï" )

while ( position_of_R > 0 )  // while-04
{
probable_position_of_half_r = position_of_R - 1 ;
var charecter_at_probable_position_of_half_r = modified_substring.charAt( probable_position_of_half_r )


// trying to find non-maatra position left to current O (ie, half -r).

while ( set_of_matras.match( charecter_at_probable_position_of_half_r ) != null )  // while-05

{
probable_position_of_half_r = probable_position_of_half_r - 1 ;
charecter_at_probable_position_of_half_r = modified_substring.charAt( probable_position_of_half_r ) ;

} // end of while-05  র 

if ( modified_substring.charAt( probable_position_of_half_r - 1 ) == '্' )
  { probable_position_of_half_r = probable_position_of_half_r - 2 ;
      if ( modified_substring.charAt( probable_position_of_half_r - 1 ) == '্' )
           probable_position_of_half_r = probable_position_of_half_r - 2 ; }

charecter_to_be_replaced = modified_substring.substr ( probable_position_of_half_r , ( position_of_R - probable_position_of_half_r ) ) ;
new_replacement_string = "র্" + charecter_to_be_replaced ; 
charecter_to_be_replaced = charecter_to_be_replaced + "ï" ;
modified_substring = modified_substring.replace( charecter_to_be_replaced , new_replacement_string ) ;
position_of_R = modified_substring.indexOf( "ï" ) ;

} // end of while-04



    } //end of IF  statement  meant to  supress processing of  blank  string.

    } // end of the function  Replace_Symbols

 } // end of BN_TT_Durga-to-Devanagari function

</script>
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      body of the HTML starts here. one text box is provided each for input and output. 
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<body>

<center>
<h2>BN-TTDurga to Unicode Bangla Converter (07-03-2010)</h2>
</center>

<form name="form1">

Paste <b>BN-TTDurga</b> text in the box below: <br/>

<textarea name="TextToConvert" id="legacy_text" cols="80" rows="7"></textarea> <br><br>


<div align="middle">
<input  type="button" id="converter" name="converter" value="Convert into Unicode Bangla>> " 

onClick="Convert_Font_01();" accesskey="c" title="??????? alt+c"> 
</div>  <br>
The above text converted to <b>Unicode Bangla</b> : <br/>
<textarea name="ConvertedText" id="unicode_text" cols="100" rows="11"></textarea>
<br />
<b>Unicode is a boon for non-Roman scripts of the world.</b>

</form>
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</html>