var Vowel = new Array(123);
var VowelCombination = new Array(6);
var Consonant = new Array(123);
var ConsonantCombination = new Array(27);
var Symbol = new Array(60);
var VIRAM = 1;
var VRU = 2;
var RU = 3;
var ZWJ=4;
var ZWNJ=5;
var language = "Hindi";



Symbol[32] = "\u0020"; // space
Symbol[58] = "\u0903"; // visarg
Symbol[48] = "\u0966"; //0
Symbol[49] = "\u0967"; //1
Symbol[50] = "\u0968"; //2
Symbol[51] = "\u0969"; //3
Symbol[52] = "\u096a"; //4
Symbol[53] = "\u096b"; //5
Symbol[54] = "\u096c"; //6
Symbol[55] = "\u096d"; //7
Symbol[56] = "\u096e"; //8
Symbol[57] = "\u096f"; //9

Vowel[97] = "\u0905"; //a
Vowel[65] = "\u0906"; //A
Vowel[105] = "\u0907"; //i
Vowel[73] = "\u0908"; //I
Vowel[117] = "\u0909"; //u 
Vowel[85] = "\u090a"; //U
Vowel[82] = "\u090b"; // R
Vowel[69] = "\u090d"; // E
Vowel[101] = "\u090f"; //e
Vowel[79] = "\u0911"; //O
Vowel[111] = "\u0913"; // o


VowelCombination[0] = new Array(3);
VowelCombination[0][0]= 97; //a
VowelCombination[0][1]= 97; //a
VowelCombination[0][2]= "\u0906"; //aa

VowelCombination[1] = new Array(3);
VowelCombination[1][0]= 101; //e
VowelCombination[1][1]= 101; //e
VowelCombination[1][2]= "\u0908"; //ee

VowelCombination[2] = new Array(3);
VowelCombination[2][0]= 111; //o
VowelCombination[2][1]= 111; //o
VowelCombination[2][2]= "\u090a"; //oo

VowelCombination[3] = new Array(3);
VowelCombination[3][0]= 82; //R
VowelCombination[3][1]= 85; //U
VowelCombination[3][2]= "\u090b"; 

VowelCombination[4] = new Array(3);
VowelCombination[4][0]= 97; //a
VowelCombination[4][1]= 105; //i
VowelCombination[4][2]= "\u0910"; //ai

VowelCombination[5] = new Array(3);
VowelCombination[5][0]= 97; //a
VowelCombination[5][1]= 117; //u 
VowelCombination[5][2]= "\u0914"; //au

Consonant[94] = "\u0901"; // chandrabindu
Consonant[77] = "\u0902"; // M
Consonant[107] = "\u0915"; //k
Consonant[103] = "\u0917"; //g
Consonant[106] = "\u091c"; //j
Consonant[122] = "\u091d"; //z
Consonant[84] = "\u091f"; //T
Consonant[68] = "\u0921"; //D
Consonant[78] = "\u0923"; //N
Consonant[116] = "\u0924"; //t
Consonant[100] = "\u0926"; //d
Consonant[110] = "\u0928"; //n
Consonant[112] = "\u092a"; //p
Consonant[102] = "\u092b"; //f
Consonant[98] = "\u092c"; //b
Consonant[109] = "\u092e"; //m
Consonant[121] = "\u092f"; //y
Consonant[114] = "\u0930"; //r
Consonant[108] = "\u0932"; //l
Consonant[76] = "\u0933"; //L
Consonant[118] = "\u0935"; //v
Consonant[119] = "\u0935"; //w
Consonant[115] = "\u0938"; //s
Consonant[120] = "\u0915\u094d\u0937"; //kSh
Consonant[104] = "\u0939"; //h
Consonant[97] = ""; // just empty string
Consonant[VIRAM] = "\u094d"; // half letter
Consonant[ZWJ] = "\u200D"; // ZWJ
Consonant[ZWNJ] = "\u200C"; // half letter
Consonant[65] = "\u093e"; //A
Consonant[105] = "\u093f"; //i
Consonant[73] = "\u0940"; //I
Consonant[117] = "\u0941"; //u
Consonant[85] = "\u0942"; //U
Consonant[VRU] = "\u0943"; // VRU
Consonant[69] = "\u0945"; //E
Consonant[101] = "\u0947"; //e
Consonant[79] = "\u0949"; //O
Consonant[111] = "\u094b"; //o
Consonant[75] = "\u0958"; //K
Consonant[71] = "\u095a"; //G
Consonant[90]= "\u095b"; //Z
Consonant[70]= "\u095e"; //F
Consonant[89]= "\u095f"; //Y


ConsonantCombination[0] = new Array(3);
ConsonantCombination[0][0]= 107; //k
ConsonantCombination[0][1]= 104; //h
ConsonantCombination[0][2]= "\u0916"; // kh

ConsonantCombination[1] = new Array(3);
ConsonantCombination[1][0]= 103; //g
ConsonantCombination[1][1]= 104; //h
ConsonantCombination[1][2]= "\u0918"; //gh

ConsonantCombination[2] = new Array(3);
ConsonantCombination[2][0]= 99; //c
ConsonantCombination[2][1]= 104; //h
ConsonantCombination[2][2]= "\u091a"; //ch

ConsonantCombination[3] = new Array(3);
ConsonantCombination[3][0]= 67; //C
ConsonantCombination[3][1]= 104; //h
ConsonantCombination[3][2]= "\u091b"; //Ch

ConsonantCombination[4] = new Array(3);
ConsonantCombination[4][0]= 84; //T
ConsonantCombination[4][1]= 104; //h
ConsonantCombination[4][2]= "\u0920"; //Th

ConsonantCombination[5] = new Array(3);
ConsonantCombination[5][0]= 68; //D
ConsonantCombination[5][1]= 104; //h
ConsonantCombination[5][2]= "\u0922"; //Dh

ConsonantCombination[6] = new Array(3);
ConsonantCombination[6][0]= 116; //t
ConsonantCombination[6][1]= 104; //h
ConsonantCombination[6][2]= "\u0925"; //th

ConsonantCombination[7] = new Array(3);
ConsonantCombination[7][0]= 100; //d
ConsonantCombination[7][1]= 104; //dh
ConsonantCombination[7][2]= "\u0927"; //dh

ConsonantCombination[8] = new Array(3);
ConsonantCombination[8][0]= 112; //p
ConsonantCombination[8][1]= 104; //ph
ConsonantCombination[8][2]= "\u092b"; //ph

ConsonantCombination[9] = new Array(3);
ConsonantCombination[9][0]= 98; //b
ConsonantCombination[9][1]= 104; //h
ConsonantCombination[9][2]= "\u092d"; //bh

ConsonantCombination[10] = new Array(3);
ConsonantCombination[10][0]= 115; //s
ConsonantCombination[10][1]= 104; //h
ConsonantCombination[10][2]= "\u0936"; //sh

ConsonantCombination[11] = new Array(3);
ConsonantCombination[11][0]= 83; //S
ConsonantCombination[11][1]= 104; //h
ConsonantCombination[11][2]= "\u0937"; //Sh

ConsonantCombination[12] = new Array(3);
ConsonantCombination[12][0]= 74; //J
ConsonantCombination[12][1]= 104; //h
ConsonantCombination[12][2]= "\u091c\u094d\u091e"; // Jh

ConsonantCombination[13] = new Array(3);
ConsonantCombination[13][0]= 97; //a
ConsonantCombination[13][1]= 97; //a
ConsonantCombination[13][2]= "\u093e"; //aa

ConsonantCombination[14] = new Array(3);
ConsonantCombination[14][0]= 101; //e
ConsonantCombination[14][1]= 101; //e
ConsonantCombination[14][2]= "\u0940"; //ee

ConsonantCombination[15] = new Array(3);
ConsonantCombination[15][0]= 111; //o
ConsonantCombination[15][1]= 111; //o
ConsonantCombination[15][2]= "\u0942"; //oo

ConsonantCombination[16] = new Array(3);
ConsonantCombination[16][0]= 97; //a
ConsonantCombination[16][1]= 105; //i
ConsonantCombination[16][2]= "\u0948"; //ai

ConsonantCombination[17] = new Array(3);
ConsonantCombination[17][0]= 97; //a
ConsonantCombination[17][1]= 117; //u
ConsonantCombination[17][2]= "\u094c"; //au

ConsonantCombination[18] = new Array(3);
ConsonantCombination[18][0] = 78; // N
ConsonantCombination[18][1] = 71; // G
ConsonantCombination[18][2] = "\u0919"; //NG

ConsonantCombination[19] = new Array(3);
ConsonantCombination[19][0] = 78; // N
ConsonantCombination[19][1] = 89; // Y
ConsonantCombination[19][2] = "\u091e"; //NY

ConsonantCombination[20] = new Array(3);
ConsonantCombination[20][0] = 75; // K
ConsonantCombination[20][1] = 104; // h
ConsonantCombination[20][2] = "\u0959"; //Kh

ConsonantCombination[21] = new Array(3);
ConsonantCombination[21][0] = 68; // D
ConsonantCombination[21][1] = 68; // D
ConsonantCombination[21][2] = "\u095c"; //DD

ConsonantCombination[22] = new Array(3);
ConsonantCombination[22][0] = 68; // D
ConsonantCombination[22][1] = 72; // H
ConsonantCombination[22][2] = "\u095d"; //DH

ConsonantCombination[23] = new Array(3);
ConsonantCombination[23][0] = 78; // N
ConsonantCombination[23][1] = 78; // N
ConsonantCombination[23][2] = "\u0929"; //NN

ConsonantCombination[24] = new Array(3);
ConsonantCombination[24][0] = 82; // R
ConsonantCombination[24][1] = 82; // R
ConsonantCombination[24][2] = "\u0931"; //RRa

ConsonantCombination[25] = new Array(3);
ConsonantCombination[25][0] = 76; // L
ConsonantCombination[25][1] = 76; // L
ConsonantCombination[25][2] = "\u0934"; //LL


ConsonantCombination[26] = new Array(3);
ConsonantCombination[26][0]= 106; //j
ConsonantCombination[26][1]= 104; //h
ConsonantCombination[26][2]= "\u091d"; // jh



var prevkey = 32;
var ppkey=32;
var hidden=false;
var posChanged = true;
var isEng = false;

var previousConsonant = false;
var previouspreviousConsonant = false;
var pVowel=false;
var pppC=false;
var isHinLetter=false;



function ClearAllParameters()
{
    prevkey = 32;
    hidden=false;
    posChanged = true;

    previousConsonant = false;
    previouspreviousConsonant = false;
    pppC=false;
    pVowel=false; 
    isHinLetter=false;
}

function changeCursor(txtarea)	{
	if (txtarea.createTextRange)	{
	txtarea.cursorPos = document.selection.createRange().duplicate();
	}
}
function GetVowelCombination(key0, key1)
{
	var i=0;
	for(i=0;i<VowelCombination.length;i++)
	{
		if((VowelCombination[i][0] == key0) && (VowelCombination[i][1]==key1))
			return VowelCombination[i][2];	
	}
}

function GetConsonantCombination(key0, key1)
{
        
	var i=0;
      //  alert(ConsonantCombination[i][0]+":"+ConsonantCombination[i][1]);
	for(i=0;i<ConsonantCombination.length;i++)
	{
		if((ConsonantCombination[i][0] == key0) && (ConsonantCombination[i][1]==key1))
                {
                        // alert(key0+":"+key1);
			return ConsonantCombination[i][2];
                }	
	}
}



function isLetter(aChar)
{
     
	return ((aChar >= 'a') && (aChar <= 'z')) ||
		((aChar >= 'A') && (aChar <= 'Z'));
}


function isDigit(aChar)
{
	return ((aChar >= '0') && (aChar <= '9'));
}





var activeWord="";
var txtFieldTTHide=false;





function hideTxtBoxTT()
{
   if(!txtFieldTTHide)
{
   
  hideTooltip('txtFieldInput');
  txtFieldTTHide=true;
}
}
function displayRelatedWords(keyChar,awTableId)
{
     
   switch(keyChar)
   {
     case 'a':
     case 'o':
     case 'i':
     case 'I':
     case 'e':
     case 'E':
     case 'A':
     case 'O':
     case 'u':
     case 'U':
       activeWord="";
       break;
     
     case 'k':
     case 'g':
     case 'c':
     case 'C':
     case 'j':
     case 'J':
     case 'z':
     case 'T':
     case 'N':
     case 't':
     case 'd':
     case 'n':
     case 'p':
     case 'f':
     case 'b':
     case 'm':
     case 'y':
     case 'l':
     case 'v':
     case 's':
     case 'w':
     case 'x':
   
       activeWord=keyChar;
       break;
     case 'h':
     case 'G':
     case 'Y':
     case 'K':
     case 'G':
     case 'Z':
     case 'H':
     case 'F':
     case 'S':
     case 'r':
      case 'D':
       case 'L':
       activeWord+=keyChar;
   }
  displayInDiv(activeWord,awTableId);
   
}

function displayInDiv(aw,awTableId)
{
  
 var divPane=document.getElementById(awTableId);
 if(divPane==null)
 {
  return; 
 }
  //divPane.innerHTML="";
  switch(aw)
  {
    case 'k':
     displayCombination(divPane,'k','&#x0915;');
    break;
    
    case 'kh':
     displayCombination(divPane,'kh','&#x0916;');
     break;
         case 'g':
     displayCombination(divPane,'g','&#x0917;');
     break;
     case 'gh':
     displayCombination(divPane,aw,'&#x0918;');
     break;
    case 'c':
     displayAdditional(divPane,'ch','cha','Cha','&#x091A;','&#x091A;','&#x091B;');
     break;
    case 'ch':
     displayCombination(divPane,'ch','&#x091A;');
     break;
    case 'Ch':
     displayCombination(divPane,'Ch','&#x091B;');
     break;
     case 'NG':
     displayCombination(divPane,aw,'&#x0919;');
     break;
       case 'j':
      displayAdditional(divPane,aw,'za','Za','&#x091C;','&#x091D;','&#x095B;');
     break;
          case 'z':
     displayCombination(divPane,aw,'&#x091D;');
     break;
               case 'NY':
     displayCombination(divPane,aw,'&#x091E;');
     break;
           case 'T':
     displayCombination(divPane,aw,'&#x091F;');
     break;
                case 'Th':
     displayCombination(divPane,aw,'&#x0920;');
     break;
               case 'D':
     displayCombination(divPane,aw,'&#x0921;');
     break;
               case 'Dh':
     displayCombination(divPane,aw,'&#x0922;');
     break;
             case 'N':
     displayCombination(divPane,aw,'&#x0923;');
     break;
            case 't':
     displayAdditional(divPane,aw,'Ta','Tha','&#x0924;','&#x091F;','&#x0920;');
     break;
               case 'th':
     displayCombination(divPane,aw,'&#x0925;');
     break;
           case 'd':
     displayAdditional(divPane,aw,'Da','Dha','&#x0926;','&#x0921;','&#x0922;');
     break;
              case 'dh':
     displayCombination(divPane,aw,'&#x0927;');
     break;
           case 'n':
     displayAdditional(divPane,aw,'Na','NNa','&#x0928;','&#x0923;','&#x0929;');
     break;
           case 'p':
     displayCombination(divPane,aw,'&#x092A;');
     break;
            case 'f':
     displayCombination(divPane,aw,'&#x092B;');
     break;
           case 'b':
     displayCombination(divPane,aw,'&#x092C;');
     break;
         case 'bh':
     displayCombination(divPane,aw,'&#x092D;');
     break;
            case 'm':
     displayCombination(divPane,aw,'&#x092E;');
     break;
           case 'y':
     displayCombination(divPane,aw,'&#x092F;');
     break;
            case 'r':
     displayCombination(divPane,aw,'&#x0930;');
     break;
            case 'l':
     displayCombination(divPane,aw,'&#x0932;');
     break;
            case 'v':
     displayCombination(divPane,aw,'&#x0935;');
                 case 'w':
     displayCombination(divPane,aw,'&#x0935;');
     break;
            case 's':
     displayAdditional(divPane,aw,'sha','Sha','&#x0938;','&#x0936;','&#x0937;');
     break;
          case 'sh':
     displayCombination(divPane,aw,'&#x0936;');
     break;
         case 'Sh':
     displayCombination(divPane,aw,'&#x0937;');
     break;
                case 'h':
     displayCombination(divPane,aw,'&#x0939;');
     break;
                    case 'L':
                        displayCombination(divPane,aw,'&#x0933;');
                        break;
                    case 'kSh':
                        displayCombination(divPane,aw,'&#x0915;&#x094D;&#x0937;');
                        break;
                    case 'x':
                        displayCombination(divPane,aw,'&#x0915;&#x094D;&#x0937;');
                        break;
                    case 'Jh':
                        displayCombination(divPane,aw,'&#x091C;&#x094D;&#x091E;');
                        break;
                     case 'tr':
                        displayCombination(divPane,aw,'&#x0924;&#x094D;&#x0930;');
                        break;
                    case 'LL':
                        displayCombination(divPane,aw,'&#x0934;');
                        break;
                    case 'K':
                        displayCombination(divPane,aw,'&#x0958;');
                        break;
                    case 'Kh':
                        displayCombination(divPane,aw,'&#x0959;');
                        break;
                    case 'G':
                        displayCombination(divPane,aw,'&#x095A;');
                        break;
                     case 'Z':
                        displayCombination(divPane,aw,'&#x095B;');
                        break;
                    case 'DD':
                        displayCombination(divPane,aw,'&#x095C;');
                        break;
                    case 'DH':
                        displayCombination(divPane,aw,'&#x095D;');
                        break;
                    case 'F':
                        displayCombination(divPane,aw,'&#x095E;');
                        break;
                    case 'Y':
                        displayCombination(divPane,aw,'&#x095F;');
                        break;
                
  }

}

function Get2DArray(row,col)
{
    var lngArray= new Array(row);
    for(var i=0;i<lngArray.length;i++)
    {
      lngArray[i]= new Array(col);
    }
   return lngArray;
}
function displayAdditional(divPane,el,el2,el3,luc,luc2,luc3)
{
    var lngArray=Get2DArray(17,2);
    
    var normalArray=GetNormalDisplayArray(el,luc);
    lngArray[0][0]=el2;
    lngArray[0][1]=luc2;
    lngArray[1][0]=el3;
    lngArray[1][1]=luc3;
    for(var i=0;i<normalArray.length;i++)
    {
      lngArray[i+2][0]=normalArray[i][0];
      lngArray[i+2][1]=normalArray[i][1];
     }
    displayArrayInTable(divPane,lngArray);
 
}
function GetNormalDisplayArray(el,luc)
{
  var lngArray=Get2DArray(15,2);
    lngArray[0][0]=(el);
    lngArray[0][1]=(luc+'&#x094D;');
    lngArray[1][0]=(el+'a');
    lngArray[1][1]=(luc);
    lngArray[2][0]=(el+'A');
    lngArray[2][1]=(luc+'&#x093E;');
    lngArray[3][0]=(el+'e');
    lngArray[3][1]=(luc+'&#x0947;');
    lngArray[4][0]=(el+'ai');
    lngArray[4][1]=(luc+'&#x0948;');
    lngArray[5][0]=(el+'i');
    lngArray[5][1]=(luc+'&#x093F;');
    lngArray[6][0]=(el+'I');
    lngArray[6][1]=(luc+'&#x0940;');

    lngArray[7][0]=(el+'o');
    lngArray[7][1]=(luc+'&#x094B;');

    lngArray[8][0]=(el+'au');
    lngArray[8][1]=(luc+'&#x094C;');

    lngArray[9][0]=(el+'u');
    lngArray[9][1]=(luc+'&#x0941;');

    lngArray[10][0]=(el+'U');
    lngArray[10][1]=(luc+'&#x0942;');

     lngArray[11][0]=(el+'M');
    lngArray[11][1]=(luc+'&#x0902;');
     lngArray[12][0]=(el+'~M');
    lngArray[12][1]=(luc+'&#x0901;');
      lngArray[13][0]=(el+'^');
    lngArray[13][1]=(luc+'&#x094D;&#x200D;');
     lngArray[14][0]=(el+'^^');
    lngArray[14][1]=(luc+'&#x094D;&#x200C;');
    return lngArray;
 
 }
function displayCombination(divPane,el,luc)
{
   
   var lngArray=GetNormalDisplayArray(el,luc);

    displayArrayInTable(divPane,lngArray);

}




function displaykh(divPane)
{
    divPane.innerHTML+="kh|kha|khi|khI|khe";
}

function displayArrayInTable(tableDiv,lngArray)
{
   if(tableDiv==null)
   {
     return;
   }
   else
   {
     if(tableDiv.rows!=null)
     {
       if(tableDiv.rows.length!=null)
	   {
	    if(tableDiv.rows.length >=2)
	    {
	  
	       tableDiv.deleteRow(1);
	       
		   tableDiv.deleteRow(0); 
		}
	   } 
     }
      var newRow = tableDiv.insertRow(0);
      var newCol=newRow.insertCell(0);
      newCol.innerHTML=("<span>"+lngArray[0][1]+"</span>");
      for(var i=1;i<lngArray.length;i++)
 {
   
  newCol=newRow.insertCell(i);
   newCol.innerHTML=("<span class='awSpan2'>"+lngArray[i][1]+"</span>");
       
 } 
    newRow = tableDiv.insertRow(1);
    newCol=newRow.insertCell(0);
    newCol.innerHTML=("<span>"+lngArray[0][0]+"</span>");
 for(var i=1;i<lngArray.length;i++)
 {
  newCol=newRow.insertCell(i);
   newCol.innerHTML=("<span class='awSpan2'>"+lngArray[i][0]+"</span>");
       
 }  
      
   }

}

function displayArray(divPane,lngArray)
{
 var pad="";
  if(lngArray[0][0].length==2)
   {
     pad=" ";
  }

 divPane.innerHTML+=("<span>"+lngArray[0][1]+"</span>");
 for(var i=1;i<lngArray.length;i++)
 {
   divPane.innerHTML+=("<span class='awSpan2'>"+lngArray[i][1]+pad+"</span>");
       
 }  
 divPane.innerHTML+="<br>";

divPane.innerHTML+=("<span>"+lngArray[0][0]+"</span>");
 for(var i=1;i<lngArray.length;i++)
 {
   divPane.innerHTML+=("<span class='awSpan2'>"+lngArray[i][0]+"</span>");
       
 }  
 divPane.innerHTML+="<br>";

}


function GetKeyChar(evt)
{
   var e = window.event? event : evt;
    if( e.altKey || e.ctrlKey)
    {
		return true;
	}
	var key=0;
	var keychar='';
	if ( document.all )
	{
		key = e.keyCode;
               
	}	
	else
	{
		key = e.which;
                
	}
        if(key==null)
        {
             key=evt.keyCode?evt.keyCode:evt.which;
         }
  
	

	keychar = String.fromCharCode(key);

      return keychar;


}
function HindiKeyBoard(){}

var inputBoxIds= new Array();
var inputBoxCount=0;
function GetNewKeyboard(elemID,awTableId)
{
 GetNewKeyboard(elemID,"awTable");
}
function GetNewKeyboard(elemID,awTableId)
{

    var newHinKB= new HindiKeyBoard();
	newHinKB.prevkey = 32;
	newHinKB.ppkey=32;
	newHinKB.hidden=false;
	newHinKB.posChanged = true;
	newHinKB.isEng = false;

	newHinKB.previousConsonant = false;
	newHinKB.previouspreviousConsonant = false;
	newHinKB.pVowel=false;
	newHinKB.pppC=false;
	newHinKB.isHinLetter=false;
	newHinKB.elemID=elemID;
	newHinKB.awTableId=awTableId;
	return newHinKB;
}

function ClearAllParameters(hinKB)
{
    hinKB.prevkey = 32;
    hinKB.hidden=false;
    hinKB.posChanged = true;

    hinKB.previousConsonant = false;
    hinKB.previouspreviousConsonant = false;
    hinKB.pppC=false;
    hinKB.pVowel=false; 
    hinKB.isHinLetter=false;
}
function positionChange(evt,hinKB)
{
  
var keyCode = 
    document.layers ? evt.which :
    document.all ? event.keyCode :
    document.getElementById ? evt.keyCode : 0;
if(keyCode==null)
{
   keyCode=(evt.keyCode)?evt.keyCode:evt.which;
}
//alert(document.my.eng.checked);
if (keyCode == 123)
	{
		hinKB.isEng = !hinKB.isEng;
                ClearAllParameters(hinKB);
	}
	
	
 
  if (keyCode >= 37 && keyCode <=40)
  {
	hinKB.posChanged = true;
  }
 
  if(keyCode==8)
  {
       
      
       hinKB.previousConsonant=hinKB.previouspreviousConsonant;
       hinKB.previouspreviousConsonant=hinKB.pppC;
       hinKB.pppC=false;
       if(hinKB.isHinLetter)
       {
          ClearAllParameters(hinKB);
       }
       
       
        var txtInpt=document.getElementById(hinKB.elemID);
        if(txtInpt.value==null || txtInpt.value=="" || txtInpt.value.length==1)
        {
          ClearAllParameters(hinKB);
        }
  }	
}
function change(evt,hinKB)
{      
      
     var txtarea=document.getElementById(hinKB.elemID);
    var displace = 0;
	var text='';
    var previousValue = "";
    //var e = evt; //(evt)? e: ((window.event)? event : null);
    var e = window.event? event : evt;
    if( e.altKey || e.ctrlKey)
    {
		return true;
	}
	var key=0;
	var keychar='';
	var shift=false;
	var pos= 0; // doGetCaretPosition (txtarea);
	var prevpos = 0;
	if ( document.all )
	{
		key = e.keyCode;
               
	}	
	else
	{
		key = e.which;
                
	}
        if(key==null)
        {
             key=evt.keyCode?evt.keyCode:evt.which;
         }
  
       
	if ((key <32) || (key >=33 && key <=47) ||(key>=59 && key <=64)||(key>=91 && key<=96 && key!=94)||(key>=123 && key<=127 && key!=126) || key >255 )
          {
               ClearAllParameters(hinKB);
		return true;
          }
	
          
	keychar = String.fromCharCode(key);
	if(hinKB.posChanged)
	{
		hinKB.prevkey = 32;
		hinKB.hidden=false;
		prevpos = 0;
		hinKB.previousConsonant = false;
		hinKB.previouspreviousConsonant = false;
		hinKB.pppC=false;
		
	}
	displayRelatedWords(keychar,hinKB.awTableId);
		switch(keychar)
		{
			case "a":
			            var cComb = GetConsonantCombination(hinKB.prevkey,key);
						var vComb = GetVowelCombination(hinKB.prevkey,key);
						hinKB.pVowel=true;

						if(hinKB.previousConsonant)
						{
							displace =0;
							text=Consonant[key]; // nothing to append. just remove viram
                            hinKB.isHinLetter=true;
						}
						else if (typeof(vComb) != 'undefined')
						{
							if(!hinKB.previouspreviousConsonant)
							{
								
								displace --; // aa, ai, au.......
								text = vComb;
							}
							else
							{
								displace = 0;
								text = cComb;
							}
							hinKB.isHinLetter=false;
						}
						else
						{
						  
							displace = 0;						
							text = Vowel[key]; 
							hinKB.isHinLetter=false;
						}
						
						hinKB.pppC=hinKB.previouspreviousConsonant;
						hinKB.previouspreviousConsonant = hinKB.previousConsonant;
						hinKB.previousConsonant = false;
						hinKB.hidden=false;
						break;
			case "e":
			case "i":
			case "o":
			case "u":
			case "A":
			case "I":
			case "U":
			case "O":
			case "E":
						var cComb = GetConsonantCombination(hinKB.prevkey,key);
						var vComb = GetVowelCombination(hinKB.prevkey,key);
                        hinKB.pVowel=true;
                        hinKB.isHinLetter=false;
						if(hinKB.previousConsonant)
						{
							displace =0;
							text=Consonant[key]; // nothing to append. just remove viram

						}
						else if (typeof(vComb) != 'undefined')
						{
							if(!hinKB.previouspreviousConsonant)
							{
								
								displace --; // aa, ai, au.......
								text = vComb;
							}
							else
							{
							  if(hinKB.prevkey!=key)
							  {
							 	displace = 0;
							 }
							  else
							  {
								
								displace =displace-1;
							  }
								text = cComb ;
							}
						}
						else
						{
							displace = 0;
							text = Vowel[key]; 
						}
						hinKB.pppC=hinKB.previouspreviousConsonant;
						hinKB.previouspreviousConsonant = hinKB.previousConsonant;
						hinKB.previousConsonant = false;
						hinKB.hidden=false;
						break;
			case 'R':
						if(hinKB.previousConsonant)
						{
							displace=0; // replace the viram
							text = Consonant[VRU];
							// here no need for another U in VRU. by detecting VR it is assumed the whole word
						}
						else
						{
							displace=0; // nothing to displace
							text = Vowel[key];
						}
						hinKB.pppC=hinKB.previouspreviousConsonant;
						hinKB.previouspreviousConsonant = hinKB.previousConsonant;
						hinKB.previousConsonant = false;
						hinKB.hidden = false;
						hinKB.prevkey = key;
						hinKB.pVowel=true;
						hinKB.isHinLetter=false;
						break;
			case '~':
                                                 displace = 0;
						 text = "~";
                                                hinKB.pppC=hinKB.previouspreviousConsonant;
						hinKB.previouspreviousConsonant = hinKB.previousConsonant;
						hinKB.previousConsonant = false;
						hinKB.hidden = false;
						prevchar = keychar;
						hinKB.pVowel=true;
						hinKB.isHinLetter=false;
						break;
			case '^':
                                                if(hinKB.prevkey==126)
                                                {
                                                       displace -=1;
                                                       text="^";
                                                }else if(hinKB.previousConsonant)
						{
						    text = Consonant[VIRAM]+Consonant[ZWJ] ;
						}
                                                else if(hinKB.prevkey == key)
                                                {
                                                     displace -=2;
                                                     text = Consonant[VIRAM]+Consonant[ZWNJ] ;
                                                }
                                                else
                                                {
                                                      text="^";
                                                }
                                                hinKB.pppC=hinKB.previouspreviousConsonant;
						hinKB.previouspreviousConsonant = hinKB.previousConsonant;
						hinKB.previousConsonant = false;
						hinKB.hidden = false;
						prevchar = keychar;
						hinKB.isHinLetter=false;
						break;


                                               
			case 'M':
                         if(hinKB.prevkey!=126)
                         {
						  displace = 0;
						  text = Consonant[key];
                         }
                        else
                        {
                            displace -=1;
                            text = Consonant[94];
                        }
						hinKB.pppC=hinKB.previouspreviousConsonant;
						hinKB.previouspreviousConsonant = hinKB.previousConsonant;
						hinKB.previousConsonant = false;
						hinKB.hidden = false;
						prevchar = hinKB.keychar;
						hinKB.pVowel=true;
						hinKB.isHinLetter=false;
						break;
			case ' ':
                        hinKB.pVowel=false;                      
                        if(hinKB.prevkey==32)
                        {
                         return;
                        }
					
						displace = 0;
						
						text = Symbol[key];
						hinKB.pppC=hinKB.previouspreviousConsonant;
						hinKB.previouspreviousConsonant = hinKB.previousConsonant;
						hinKB.previousConsonant = false;
						hinKB.hidden = false;
						hinKB.ppkey=hinKB.prevkey;
						hinKB.prevkey = key;
						hinKB.isHinLetter=false;
						break;
			default:
						var cComb = GetConsonantCombination(hinKB.prevkey,key);
						hinKB.pVowel=false; 
						hinKB.isHinLetter=false;
						if (hinKB.hidden)
						{
							if(typeof(cComb) !='undefined')
							{
								displace = 0; // because previous word was not shown in textarea.
								if(hinKB.previouspreviousConsonant)
								{
								   text = Consonant[VIRAM]+cComb ;//+ Consonant[VIRAM]; // letter + viram
								   
								}
							    else
							    {
							    	text = cComb;
							    	
							    }
							    ClearAllParameters(hinKB);
							    hinKB.previouspreviousConsonant = false;
							    hinKB.pppC=false;
								
								hinKB.previousConsonant = true;
							}
							else if (typeof(Consonant[key]) !='undefined')
							{
								displace = 0;
								if(hinKB.previousConsonant && !hinKB.previouspreviousConsonant)
								{
								text = Consonant[VIRAM]+Consonant[key] ;//+ Consonant[VIRAM]; // letter + viram
								}
							    else
							    {
							     text = Consonant[key] ;
							    }
							    ClearAllParameters(hinKB);
							    hinKB.pppC=hinKB.previouspreviousConsonant;
								hinKB.previouspreviousConsonant = hinKB.previousConsonant;
								hinKB.previousConsonant = true;
								hinKB.hidden = false;
							}
							else
							{
								displace =0;
								hinKB.pppC=hinKB.previouspreviousConsonant;
								hinKB.previouspreviousConsonant = hinKB.previousConsonant;
								hinKB.previousConsonant = false;
							}
						}
						else
						{
							if(typeof(cComb) !='undefined')
							{
								displace -=1; // for d, dh, D, Dh etc.
								text = cComb;
								ClearAllParameters(hinKB);
								hinKB.pppC=hinKB.previouspreviousConsonant;
								hinKB.previouspreviousConsonant = false;
								//previouspreviousConsonant = previousConsonant;
								hinKB.previousConsonant = true;
							}
							else if(typeof(Consonant[key])!='undefined')
							{
								displace = 0;
								if(hinKB.previousConsonant && !hinKB.previouspreviousConsonant)
								{
								text = Consonant[VIRAM]+Consonant[key] ;//+ Consonant[VIRAM]; // letter + viram
								}
							    else
							    {
							     text = Consonant[key] ;
							     
							    }
							    ClearAllParameters(hinKB);
							    hinKB.pppC=hinKB.previouspreviousConsonant;
								hinKB.previouspreviousConsonant = hinKB.previousConsonant;
								hinKB.previousConsonant = true;
							}
							else if (typeof(Symbol[key]) != 'undefined')
							{
								displace =0;
								text = Symbol[key];
								hinKB.pppC=hinKB.previouspreviousConsonant;
								hinKB.previouspreviousConsonant = hinKB.previousConsonant;
								hinKB.previousConsonant = false;
							}
							else
							{
							    hinKB.pppC=hinKB.previouspreviousConsonant;
								hinKB.previouspreviousConsonant = hinKB.previousConsonant;
								hinKB.previousConsonant = true;
								hinKB.hidden = true;
							}
							
						}
		}
        hinKB.ppkey=hinKB.prevkey;
		hinKB.prevkey = key;
		

	if(txtarea.setSelectionRange)
	{
		// Mozilla specific
		pos = txtarea.selectionStart;
		var s1 = txtarea.value.substring(0,pos + displace);
		var s2 = txtarea.value.substring(pos, txtarea.value.length);
		var scrollPos = txtarea.scrollTop;
		if(typeof(text) != 'undefined')
			prevpos = pos + displace + text.length;
		else
			prevpos = pos + displace;
		txtarea.value = s1 + text + s2;

		txtarea.scrollTop = scrollPos;
		txtarea.focus();
		txtarea.setSelectionRange(prevpos,prevpos);
	}
	else if (txtarea.createTextRange && txtarea.cursorPos)
	{
		// IE specific
		var range = txtarea.cursorPos;
		range.moveStart('character', displace);
	    range.text =	(range.text.charAt(range.text.length - 1)	== ' ' ? text +	' '	: text);
		range.collapse(false);
	    range.scrollIntoView(true);
	}
	else
	{
		// Other browser
		if (displace==0)
		{
			txtarea.value += text;
		}
		else
		{
			txtarea.value =	txtarea.value.substring(0, txtarea.value.length-1) + text;
		}
	}
	txtarea.focus();
	hinKB.posChanged=false;
	return false;
}
function processInput(evt,hinKB)
{
   
    return change(evt,hinKB);
}


/* HinkHoj APIs */
function TextBoxInput()
{
}
function TextAreaInput()
{
}
function CreateHindiGTextBox(elementId)
{
  hinTextBoxObj= new TextBoxInput();
  hinTextBoxObj.Id=elementId;
  hinTextBoxObj.Name=elementId;
  hinTextBoxObj.Value="";
  //alert(hinTextBoxObj.Value);
  hinTextBoxObj.Size=60;
  hinTextBoxObj.Help=false;
  hinTextBoxObj.UseHinkhoj=false;
  hinTextBoxObj.Logo=false; 
  CreateHindiTextBoxSelectedParam(hinTextBoxObj);
}
function CreateCustomHindiGTextBox(elementId,defaultValue,textBoxSize)
{
  hinTextBoxObj= new TextBoxInput();
  hinTextBoxObj.Id=elementId;
  hinTextBoxObj.Name=elementId;
  hinTextBoxObj.Value=defaultValue;
  //alert(hinTextBoxObj.Value);
  hinTextBoxObj.Size=textBoxSize;
 hinTextBoxObj.Help=false;
  hinTextBoxObj.UseHinkhoj=false;
  hinTextBoxObj.Logo=false;
  CreateHindiTextBoxSelectedParam(hinTextBoxObj);
}
function CreateHindiTextBox(elementId)
{
 CreateCustomHindiTextBox(elementId,"",60,false);
}
function CreateCustomHindiTextBox(elementId,defaultValue,textBoxSize,showHelp)
{
  hinTextBoxObj= new TextBoxInput();
  hinTextBoxObj.Id=elementId;
  hinTextBoxObj.Name=elementId;
  hinTextBoxObj.Value=defaultValue;
  //alert(hinTextBoxObj.Value);
  hinTextBoxObj.Size=textBoxSize;
  hinTextBoxObj.Help=showHelp;
  if(!showHelp)
  {
    hinTextBoxObj.Logo=false; 
  }
  else
  {
   hinTextBoxObj.Logo=true;
  }
  hinTextBoxObj.UseHinkhoj=true;
  CreateHindiTextBoxSelectedParam(hinTextBoxObj);
}
function CreateHindiTextBoxSelectedParam(textBoxParam)
{
 //alert("in CreateHindiTextBoxSelectedParam: Id = "+textBoxParam.Id);
 if(textBoxParam.Id==null)
 {
    alert("Error: Id can't be NULL");
    return;
 }
var awId=textBoxParam.Id+"_awTable";
var cbId=textBoxParam.Id+"_cbId";
 //alert(awId);
 if(textBoxParam.UseHinkhoj)
 {
    inputBoxIds[inputBoxCount] =GetNewKeyboard(textBoxParam.Id,awId);
 }

document.write("<input type='text'");
if(textBoxParam.Value!=null)
{
  document.write(" value='"+textBoxParam.Value+"'"); 
} 
if(textBoxParam.Size!=null)
{
 document.write(" size='"+textBoxParam.Size+"'"); 
}
if(textBoxParam.Class!=null)
{
 document.write(" Class='"+textBoxParam.Class+"'"); 
}
if(textBoxParam.Name!=null)
{
 document.write(" Name='"+textBoxParam.Name+"'"); 
}

document.write(" id='"+textBoxParam.Id+"'");
if(textBoxParam.UseHinkhoj)
{
 //document.write(" onkeypress='if (!inputBoxIds["+inputBoxCount+"].isEng){ return processInput(event,inputBoxIds["+inputBoxCount+"]);} else {return true;}' onKeyUp='changeCursor(this);' onkeydown='positionChange(event,inputBoxIds["+inputBoxCount+"]);' onFocus='changeCursor(this);' onClick='changeCursor(this);'");
 }
 else
 {
  document.write(" onmouseout=ChangeHindi('"+textBoxParam.Id+"') ");
  }
document.write(">");
if(!textBoxParam.UseHinkhoj)
{
 document.write('<input type="checkbox" id="'+cbId+'" onclick="javascript:checkboxClickHandler(\''+cbId+'\')" checked>Hindi-[<font color="green">Use <b>ALT-k</b> to change langauge</font>]</input>');
}


if(textBoxParam.Help!=null && textBoxParam.Help)
{
//alert(awId);
  document.write("<table width='100%' id='"+awId+"' border='0' class='awDiv'></table>");
}
if(textBoxParam.UseHinkhoj)
{
inputBoxCount++;
}
 
}
function CreateHindiTextArea(elementId)
{
 //alert("CreateHindiTextArea");
 CreateCustomHindiTextArea(elementId,"",50,3,false);
}
function CreateCustomHindiTextArea(elementId,defaultValue,columns,rows,showHelp)
{
 //alert("CreateCustomHindiTextArea");
   textAreaInpt= new TextAreaInput();
   textAreaInpt.Id=elementId;
   textAreaInpt.Name=elementId;
   textAreaInpt.Value=defaultValue;
   textAreaInpt.Cols=columns;
   textAreaInpt.Rows=rows;
   textAreaInpt.Help=showHelp;
   textAreaInpt.UseHinkhoj=true;
   CreateHindiTextAreaSelectedParam(textAreaInpt);
}

function CreateCustomHindiGTextArea(elementId,defaultValue,columns,rows)
{
 //alert("CreateCustomHindiTextArea");
   textAreaInpt= new TextAreaInput();
   textAreaInpt.Id=elementId;
   textAreaInpt.Name=elementId;
   textAreaInpt.Value=defaultValue;
   textAreaInpt.Cols=columns;
   textAreaInpt.Rows=rows;
 hinTextBoxObj.Help=false;
  hinTextBoxObj.UseHinkhoj=false;
  hinTextBoxObj.Logo=false;
   CreateHindiTextAreaSelectedParam(textAreaInpt);
}

function CreateHindiTextAreaSelectedParam(textAreaParam)
{ 
// alert("in CreateHindiTextAreaSelectedParam: Id = "+textAreaParam.Id);
 if(textAreaParam.Id==null)
 {
    alert("Error: Id can't be NULL");
    return;
 }
 var awId=textAreaParam.Id+"_awTable";
 var cbId=textAreaParam.Id+"_cbId";
 //alert(awId);
 if(textAreaParam.UseHinkhoj)
 {
    inputBoxIds[inputBoxCount] =GetNewKeyboard(textAreaParam.Id,awId);
 }
document.write("<textarea ");
if(textAreaParam.Cols!=null)
{
 document.write(" cols='"+textAreaParam.Cols+"'" );
 }
 if(textAreaParam.Rows!=null)
{
 document.write(" rows='"+textAreaParam.Rows+"'" );
 }
 if(textAreaParam.Class!=null)
{
 document.write(" Class='"+textAreaParam.Class+"'" );
 }
//alert(textAreaParam.Name);
 if(textAreaParam.Name!=null)
{
 document.write(" Name='"+textAreaParam.Name+"'" );
 }
  document.write(" id='"+textAreaParam.Id+"' ");
  if(textAreaParam.UseHinkhoj)
  {
	  
   document.write(" onkeypress='if (!inputBoxIds["+inputBoxCount+"].isEng && document.my.eng.checked == true){ return processInput(event,inputBoxIds["+inputBoxCount+"]);} else {return true;}' onKeyUp='changeCursor(this);' onkeydown='positionChange(event,inputBoxIds["+inputBoxCount+"]);' onFocus='changeCursor(this);' onClick='changeCursor(this);'");
	  
   }
document.write(" >");
if(textAreaParam.Value!=null)
{
 document.write(textAreaParam.Value);
}
 document.write("</textarea>");
 if(!textAreaParam.UseHinkhoj)
{
 document.write('<input type="checkbox" id="'+cbId+'" onclick="javascript:checkboxClickHandler(\''+cbId+'\')" checked>Hindi-[<font color="green">Use <b>ALT-k</b> to change langauge</font>]</input>');
}
if(textAreaParam.Help!=null && textAreaParam.Help)
{
//alert(awId);
  document.write("<table width='100%' id='"+awId+"' border='0' class='awDiv'></table>");
}
if(textAreaParam.UseHinkhoj)
  {
inputBoxCount++;
}
}