// Urdu OpenPad
// Written by Nabeel Hasan Naqvi (simunaqv [at] gmail [dot] com)
// Visit the support forums at http://www.urduweb.org/mehfil
// This code is public domain. Redistribution and use of this code, with or without modification, is permitted.

var osk=false;
var	isIE;
var	isGecko;
var	isSafari;
var	isKonqueror;
var	isOpera;
var currEdit2;
var IsUrdu2=1;
var IsUrdu3=1;
var gMode;

var gEditorId=null;
var	CurrentKeyboard;
var _sp;
var	LAlt;
var	RAlt;
var	RShift;
var	LShift;
var	LCtrl;
var	RCtrl;
var	HelpArea;
var	kbNormal=1;
var	kbShift=2;
var	kbAlt=3;
var	kbCtrl=4;
var	kbAltGr=5;
var	bToggleFlag=0;
var	CurrentKeyboardState=1;
var	currEdit=null;
var	langSel=1;
var	IsUrdu=1;
var	bCtrlState=0;
var	bAltState=0;
var	CurrentKeyboard;
var	Diacritics=new Array(0x0650, 0x064E,0x064B,	0x064F,	0x064D,	0x064C,	0x0651,	0x0652,	0x0670);
var	charSingleQuote=String.fromCharCode(39);
var	charDoubleQuote=String.fromCharCode(34);
var charSpace=String.fromCharCode(32);
var	ValidChars='0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'+'-&=;,.?<>[]{}|/\\'+charSingleQuote+charSpace;
function _s(c){return String.fromCharCode(c)}
function isAlpha(ch)
{
    return (ch >= 'a' && ch	<= 'z\uffff') || (ch >=	'A'	&& ch <= 'Z\uffff');
}
function isDiacritic(c)
{
    for(i=0; i<Diacritics.length; i++)
    {
        if(c== Diacritics[i])
        {
            return true;
        }
    }
    return false;
}
function charCode(strChar)
{
    return strChar.charCodeAt(0);
}
function Key(x,	y,z	)
{
    this.normal=0;
    this.shifted=0;
    this.alt=0;
    this.normal=x;
    if(arguments.length>1)
    {
        this.shifted= y;
    }
    if(arguments.length>2)
    {
        this.alt= z;
    }
}
function KeyHelp(x,y)
{
    this.normal=x;
    this.shifted=y
}
function Keyboard()
{
    this.Keys= new Array();
    this.Shifted= new Array();
    this.AltGr=	new	Array();
    this.MultiChar=	new	Array();
    
    this.AddKey=function(ch, x, y, z)
    {
		//alert(ch+' '+x+' '+y+' '+z);
		this.Keys[ch]=new Key(x);
		
		if(arguments.length>2)
		{
			this.Shifted[ch]= y;
			//alert(this.Shifted[ch]);
		}
		
		if(arguments.length>3)
		{
			this.AltGr[ch]= z;
			//alert(this.AltGr[ch]);
		}
    }
}


var UrduPhonetic= new Keyboard();
UrduPhonetic.Keys['a']=new Key(0x0627, 0x0622, 0x0623);
UrduPhonetic.Keys['b']=new Key(0x0628, 0x0628, 0x202E);
UrduPhonetic.Keys['c']=new Key(0x0686, 0x062B, 0x202A);
UrduPhonetic.Keys['d']=new Key(0x062F, 0x0688);
UrduPhonetic.Keys['e']=new Key(0x0639, 0x0651, 0x0611);
UrduPhonetic.Keys['f']=new Key(0x0641, 0x64D);
UrduPhonetic.Keys['g']=new Key(0x06AF, 0x063A);
UrduPhonetic.Keys['h']=new Key(0x06BE, 0x062D, 0x0612);
UrduPhonetic.Keys['i']=new Key(0x06CC, 0x0670, 0x656);
UrduPhonetic.Keys['j']=new Key(0x062C, 0x0636);
UrduPhonetic.Keys['k']=new Key(0x06A9, 0x062E);
UrduPhonetic.Keys['l']=new Key(0x0644, 0x064C);
UrduPhonetic.Keys['m']=new Key(0x0645, 0x64B, 0x200F);
UrduPhonetic.Keys['n']=new Key(0x0646, 0x06BA, 0x202B);
UrduPhonetic.Keys['o']=new Key(0x06C1, 0x06C3, 0x06C2);
UrduPhonetic.Keys['p']=new Key(0x067E, 0x064F);
UrduPhonetic.Keys['q']=new Key(0x0642);
UrduPhonetic.Keys['r']=new Key(0x0631, 0x0691, 0x0613);
UrduPhonetic.Keys['s']=new Key(0x0633 , 0x0635, 0x610);
UrduPhonetic.Keys['t']=new Key(0x062A , 0x0679);
UrduPhonetic.Keys['u']=new Key(0x0626 , 0x0621);
UrduPhonetic.Keys['v']=new Key(0x0637, 0x0638, 0x202C);
UrduPhonetic.Keys['w']=new Key(0x0648, 0x0624, 0xFDFA);
UrduPhonetic.Keys['x']=new Key(0x0634, 0x0698, 0x202D);
UrduPhonetic.Keys['y']=new Key(0x06D2, 0x0601);
UrduPhonetic.Keys['z']=new Key(0x0632, 0x0630, 0x200E);

UrduPhonetic.AddKey('1', 0x0031, charCode('!'), 0x661);
UrduPhonetic.AddKey('2', 0x0032, charCode('@'), 0x662);
UrduPhonetic.AddKey('3', 0x0033, charCode('#'), 0x663);
UrduPhonetic.AddKey('4', 0x0034, charCode('$'), 0x664);
UrduPhonetic.AddKey('5', 0x0035, charCode('%'), 0x665);
UrduPhonetic.AddKey('6', 0x0036, charCode('^'), 0x666);
UrduPhonetic.AddKey('7', 0x0037, charCode('&'), 0x667);
UrduPhonetic.AddKey('8', 0x0038, charCode('*'), 0x668);
UrduPhonetic.AddKey('9', 0x0039, charCode('('), 0x669);
UrduPhonetic.AddKey('0', 0x0030, charCode(')'), 0x661);

UrduPhonetic.Keys['=']=new Key(0x0602);
UrduPhonetic.Keys['-']=new Key(0x002D);
UrduPhonetic.Keys[',']=new Key(0x060C);
UrduPhonetic.Keys[_s(46)]=new Key(0x06D4);
UrduPhonetic.Keys['/']=new Key(0x002F);
UrduPhonetic.Keys['\\']=new Key(0x060E);
UrduPhonetic.Keys[';']=new Key(0x061B);
UrduPhonetic.Keys['[']=new Key(0x201C);
UrduPhonetic.Keys[']']=new Key(0x201D);
UrduPhonetic.Keys[charSingleQuote]=new Key(39);
UrduPhonetic.Keys['~']=new Key(0x64C); //(0x0653);
UrduPhonetic.Keys[' ']=new Key(32);
UrduPhonetic.Keys['<']=new Key(0x064E);
UrduPhonetic.Keys['´']=new Key(0x0657);

UrduPhonetic.Shifted['!']=charCode('!');
UrduPhonetic.Shifted['@']=0x0600;
UrduPhonetic.Shifted['#']=0x0654;
UrduPhonetic.Shifted['$']=0x0655;
UrduPhonetic.Shifted['%']=0x060F;
UrduPhonetic.Shifted['^']=0x0652;
UrduPhonetic.Shifted['~']=0x064C; 
//UrduPhonetic.Shifted['&']=0x00BB;
UrduPhonetic.Shifted['*']=0x064C;
UrduPhonetic.Shifted['(']=0x0029;
UrduPhonetic.Shifted[')']=0x0028;

UrduPhonetic.Shifted['+']=0x0614;
UrduPhonetic.Shifted['_']=0x0640;

UrduPhonetic.Shifted['>']=0x0650; 
UrduPhonetic.Shifted['<']=0x064E; 
UrduPhonetic.Shifted['?']=0x061F; 
UrduPhonetic.Shifted['|']=0x0603; 
UrduPhonetic.Shifted['{']=0x2018; 
UrduPhonetic.Shifted['}']=0x2019; 
UrduPhonetic.Shifted[charDoubleQuote]=0x0022; 
UrduPhonetic.Shifted['~']=0x0653;
UrduPhonetic.Shifted[':']=0x003A; 
UrduPhonetic.Shifted[';']=0x061B;
UrduPhonetic.Shifted[' ']=0x200C; 

UrduPhonetic.AltGr['[']=0x201C; 
UrduPhonetic.AltGr[']']=0x201D; 
UrduPhonetic.AltGr['{']=0x2018; 
UrduPhonetic.AltGr['}']=0x2019; 

var	KeyMaps= new Array();
var	Keypads=new	Array();
var	langArray=new Array();



function isValidChar(sChar)
{
    if(ValidChars.indexOf(sChar)>=0)
    {
        return true;
    }
    return false;
}
function processKeyup(evt)
{
    if (!langArray[currEdit.id]) return;
    evt	= (evt)	? evt :	((event) ? event : null);
    if (evt)
    {
        var	charCode = (evt.charCode) ?	evt.charCode : evt.keyCode;
        if(charCode	== 17)
        {
            CurrentKeyboardState = kbNormal;
        }
    }
}
function Downkeys(evt)
{
	
    evt	= (evt)	? evt :	(window.event) ? event : null;
    if(evt)
    {
        if(document.all)
        {
            if(evt.shiftKey	)
            {
				CurrentKeyboardState=kbShift;
				
            }
            else if(evt.ctrlKey	&& evt.altKey)
            {
				CurrentKeyboardState=kbAlt;
            }
            else if(evt.ctrlKey)
            {
                CurrentKeyboardState=kbCtrl;
            }
        }
        else if(!document.all && document.getElementById)
        {
            if(evt.ctrlKey)
            {
                if(	evt.shiftKey)
                {
					CurrentKeyboardState=kbAlt;
                }
                else
                {
                    CurrentKeyboardState=kbCtrl;
                }
            }
            else if(evt.shiftKey )
            {
				CurrentKeyboardState=kbShift;
            }
        }
    }
}
function Upkeys(evt)
{	
	
    evt	= (evt)	? evt :	(window.event) ? event : null;
    var	charCode = (evt.charCode) ?	evt.charCode : evt.keyCode;
    if(evt)
    {
        if (CurrentKeyboardState ==	kbCtrl)
        {
            CurrentKeyboardState = kbNormal;
        }
        if(CurrentKeyboardState	== kbShift)
        {
            if(!evt.shiftKey)
            {
				CurrentKeyboardState = kbNormal;
            }
        }
        if(CurrentKeyboardState	== kbAlt)
        {
            if(document.all)
            {
                if(!(evt.altKey	&& evt.ctrlKey))
                {
					CurrentKeyboardState = kbNormal;
                }
            }
            else if(!document.all && document.getElementById)
            {
                if(!evt.ctrlKey	|| evt.shiftKey)
                {
					CurrentKeyboardState=kbNormal;
                }
            }
        }
    }
}
function storeCaret	(textEl)
{
    if (textEl.createTextRange)
    textEl.caretPos	= document.selection.createRange().duplicate();
}


function processKeydown(evt)
{
    if (!currEdit) return;
    //evt	= (evt)	? evt :	((event) ? event : null);
    evt	= (evt)	? evt :	(window.event) ? event : null;
    if (evt)
    {
        var	charCode = (evt.charCode) ?	evt.charCode : evt.keyCode;
        //alert(charCode);
        var idx= String.fromCharCode(charCode);
        var	idxChar;
        
        if(isAlpha(idx))
        {			
			idxChar=String.fromCharCode(charCode).toLowerCase();
        }
        
        if (CurrentKeyboardState ==	kbAlt)
        {
			if(isAlpha(idx))
				AddText(idxChar);
			else
				AddText(idx);
            //ToggleKeyboard(kbNormal);
        }
        if(charCode	== 17)
        {
            CurrentKeyboardState = kbCtrl;
        }
        else if(CurrentKeyboardState ==	kbCtrl)
        {
            if(charCode==32)
            {
                if(!currEdit.getAttribute('OpenPadId'))
				{
					if(langArray[currEdit.name]==1)
					{
						setEnglish(currEdit.name);
					}
					else
					{
						setUrdu(currEdit.name);
					}
				}
				else
				{
					if(langArray[currEdit.id]==1)
					{
						setEnglishById(currEdit.id);
					}
					else
					{
						setUrduById(currEdit.id);
					}
				}
				
                if(isIE)
                {
                    evt.returnValue=false;
                    evt.cancelBubble=true;
                }
                else if(isGecko)
                {
                    evt.preventDefault();
                    evt.stopPropagation();
                }
            }
        }
    }
}

	function AddText2(text) 
	{
	
		if(!currEdit) return;
	 
		if (currEdit.createTextRange && currEdit.caretPos) {      
			var caretPos = currEdit.caretPos;      
			caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ?
			text + ' ' : text;
			currEdit.focus(caretPos);
		}
		else if (currEdit.selectionStart || currEdit.selectionStart == '0') 
		{ 
			var vTop=currEdit.scrollTop;
			//alert(vTop);
			var startPos = currEdit.selectionStart; 
			var endPos = currEdit.selectionEnd; 
			currEdit.value = currEdit.value.substring(0, startPos) 
						  + text 
						  + currEdit.value.substring(endPos, currEdit.value.length); 
			currEdit.focus(); 
			currEdit.selectionStart = startPos + 1; 
			currEdit.selectionEnd = startPos + 1; 
			currEdit.scrollTop=vTop;
		}
		else 
		{
			currEdit.value += text;
			currEdit.focus(caretPos);	
		}
    }
    
function AddText(idx)
{
    var	txt;
    if(!currEdit) return;
    var	idxChar= idx;

    
    if(isAlpha(idxChar))
    {
		idxChar= idxChar.toLowerCase();
		var	sId= idxChar.toUpperCase();
    }
    
    switch(CurrentKeyboardState)
    {
        case kbNormal:
			if(CurrentKeyboard.Keys[idxChar] !=	null)
			{
				txt= String.fromCharCode(CurrentKeyboard.Keys[idxChar].normal);
			}
			break;
        
        case kbShift:
       
			if (isAlpha(idxChar))
			{
				if (CurrentKeyboard.MultiChar[sId])
				{
					txt=CurrentKeyboard.MultiChar[sId];
					//ToggleKeyboard(kbShift);
				}
				else if(CurrentKeyboard.Keys[idxChar] != null)
				{			
					if(CurrentKeyboard.Keys[idxChar].shifted !=	null)
					{
						if(CurrentKeyboard.Keys[idxChar].shifted)
						{
							txt= String.fromCharCode(CurrentKeyboard.Keys[idxChar].shifted);
						}
						//ToggleKeyboard(kbShift);
					}
				}
			}
			else if (CurrentKeyboard.Shifted[idxChar] != null)
			{
				//alert(idx);
				txt= String.fromCharCode(CurrentKeyboard.Shifted[idxChar]);
				//ToggleKeyboard(kbShift);
				
			}
	   

	        
			break;
        case kbAlt:
			if (isAlpha(idxChar))
			{
				if(CurrentKeyboard.Keys[idxChar] !=	null)
				if(CurrentKeyboard.Keys[idxChar].alt !=	null)
				{
					txt= String.fromCharCode(CurrentKeyboard.Keys[idxChar].alt);
					//ToggleKeyboard(kbAlt);
				}
			}
			else if (CurrentKeyboard.AltGr[idxChar] != null)
			{
				txt= String.fromCharCode(CurrentKeyboard.AltGr[idxChar]);
				//ToggleKeyboard(kbAlt);
				
			}
			break;
    }
    
    if(txt==null)
		return;
	//alert(txt);
		
	if(window.opera)
	{
		var	vTop=currEdit.scrollTop;
        var	startPos = currEdit.selectionStart;
        var	endPos = currEdit.selectionEnd;
        currEdit.value = currEdit.value.substring(0, startPos)
        + txt
        + currEdit.value.substring(endPos, currEdit.value.length);
        currEdit.focus();
        currEdit.selectionStart	= startPos + 1;
        currEdit.selectionEnd =	startPos + 1;
        currEdit.scrollTop=vTop;
	}
    else if (currEdit.createTextRange &&	currEdit.caretPos)
    {
        var	caretPos = currEdit.caretPos;
        caretPos.text =	caretPos.text.charAt(caretPos.text.length -	1) == '	' ?
        txt	+ '	' :	txt;
        currEdit.focus(caretPos);
    }
    else if	(currEdit.selectionStart ||	currEdit.selectionStart	== '0')
    {
        var	vTop=currEdit.scrollTop;
        var	startPos = currEdit.selectionStart;
        var	endPos = currEdit.selectionEnd;
        currEdit.value = currEdit.value.substring(0, startPos)
        + txt
        + currEdit.value.substring(endPos, currEdit.value.length);
        currEdit.focus();
        currEdit.selectionStart	= startPos + 1;
        currEdit.selectionEnd =	startPos + 1;
        currEdit.scrollTop=vTop;
    }
    else
    {
        currEdit.value += txt;
        currEdit.focus(caretPos);
    }
}
function processKeypresses(evt)
{
    if(!currEdit.getAttribute('OpenPadId'))
	{
		if (!langArray[currEdit.name]) return;
	}
	else
	{
		if (!langArray[currEdit.id]) return;
	}
		
    if (!currEdit) return;
    evt	= (evt)	? evt :	(window.event) ? event : null;
    if (evt)
    {
        var	charCode = (evt.charCode) ?	evt.charCode :
        ((evt.keyCode) ? evt.keyCode :
        ((evt.which) ? evt.which : 0));
        var	whichASC = charCode	;       
        var	whichChar =	String.fromCharCode(whichASC);
        var	idxChar= whichChar.toLowerCase(whichChar);
		var	sId;
		
		if((charCode==13))
		{
			return;
		}

        if(isIE)
        {			
            if(CurrentKeyboardState== kbAlt)
            {
                evt.keyCode=0;
                return;
            }
            
            if(isAlpha(idxChar))
			{
				idxChar= idxChar.toLowerCase();
				sId= idxChar.toUpperCase();
			}
		    
			switch(CurrentKeyboardState)
			{
				case kbNormal:
					if(CurrentKeyboard.Keys[idxChar] !=	null)
					{
						evt.keyCode = CurrentKeyboard.Keys[idxChar].normal;
					}
					break;
		        
				case kbShift:
		       
					if (isAlpha(idxChar))
					{
						if(CurrentKeyboard.Keys[idxChar] != null)
						{			
							if(CurrentKeyboard.Keys[idxChar].shifted !=	null)
							{
								if(CurrentKeyboard.Keys[idxChar].shifted)
								{
									evt.keyCode = CurrentKeyboard.Keys[idxChar].shifted;
								}
								//ToggleKeyboard(kbShift);
							}
						}
					}
					else if (CurrentKeyboard.Shifted[idxChar] != null)
					{
						evt.keyCode = CurrentKeyboard.Shifted[idxChar];
						//ToggleKeyboard(kbShift);
						
					}
			   

			        
					break;
				case kbAlt:
					if (isAlpha(idxChar))
					{
						if(CurrentKeyboard.Keys[idxChar] !=	null)
						if(CurrentKeyboard.Keys[idxChar].alt !=	null)
						{
							evt.keyCode= CurrentKeyboard.Keys[idxChar].alt;
							//ToggleKeyboard(kbAlt);
						}
					}
					else if (CurrentKeyboard.AltGr[idxChar] != null)
					{
						evt.keyCode = CurrentKeyboard.AltGr[idxChar];
						//ToggleKeyboard(kbAlt);
						
					}
					break;
			}

            return;           
        }
        else if(isGecko)
        {	
			var fCode;
			//alert(evt.charCode+" "+evt.keyCode);
			charCode = evt.charCode;
			
			if (charCode==0)
			{
				return;
			}
			
			whichASC = charCode	;       
			whichChar =	String.fromCharCode(whichASC);
			idxChar= whichChar.toLowerCase(whichChar);
			
			if((charCode==8) ||  (charCode==13) || (charCode==37) || (charCode==39) ||  (charCode==38)|| (charCode==40)|| (charCode==33) ||  (charCode==34) ||  (charCode==50)  ) return;
			
			if(evt.ctrlKey && evt.altKey)
			{
				if (isAlpha(idxChar))
				{
					if(CurrentKeyboard.Keys[idxChar] !=	null)
					if(CurrentKeyboard.Keys[idxChar].alt !=	null)
					{
						txt= String.fromCharCode(CurrentKeyboard.Keys[idxChar].alt);
					}
				}
				else if (CurrentKeyboard.AltGr[idxChar] != null)
				{
					txt= String.fromCharCode(CurrentKeyboard.AltGr[idxChar]);
				}
				
				var	vTop=currEdit.scrollTop;
				var	startPos = currEdit.selectionStart;
				var	endPos = currEdit.selectionEnd;
				currEdit.value = currEdit.value.substring(0, startPos)
				+ txt
				+ currEdit.value.substring(endPos, currEdit.value.length);
				currEdit.focus();
				currEdit.selectionStart	= startPos + 1;
				currEdit.selectionEnd =	startPos + 1;
				currEdit.scrollTop=vTop;
					
				evt.preventDefault();
				evt.stopPropagation();
				return;
			}
		
				
			if(!(CurrentKeyboardState == kbCtrl))
			{
				AddText(whichChar);
				evt.preventDefault();
				evt.stopPropagation();
			}
			
        }
        else if(window.opera)
        {
			//alert(charCode);
			if((charCode==13) || (charCode==37) || (charCode==39) ||  (charCode==38)|| (charCode==40)|| (charCode==33) || (charCode==32) || (charCode==34) || (charCode==46) || (charCode==50)  ) return;
						
			if(!(CurrentKeyboardState == kbCtrl))
			{
				AddText(idxChar);
				//evt.keyCode = codes[whichChar];
				evt.preventDefault();
				evt.stopPropagation();	
			}			
        }
    }
}
function d(s){document.writeln(s);};
function w(c,s){d('<td class="btnFlat"  width=6% onclick="javascript:AddText2(\''+s+'\' );">'+c+'</td>');}
function w2(c,s){d('<td class="btnFlat" onclick="javascript:AddText2(\''+s+'\' );">'+c+'</td>');}
function writeKeyboard(){d('<span dir="ltr">');d('<table   width="100%" style="border: 1px solid #C0C0C0;">');d('<tr>');w('ر','ر');w('ذ','ذ');w('ڈ','ڈ');w('د','د');w('خ','خ');w('ح','ح');w('چ','چ');w('ج','ج');w('ث','ث');w('ٹ','ٹ');w('ت','ت');w('پ','پ');w('ب','ب');w('آ','آ');w('ا','ا');d('</tr><tr>');w('گ','گ');w('ک','ک');w('ق','ق');w('ف','ف');w('غ','غ');w('ع','ع');w('ظ','ظ');w('ط','ط');w('ض','ض');w('ص','ص');w('ش','ش');w('س','س');w('ژ','ژ');w('ز','ز');w('ڑ','ڑ');d('</tr>');d('<tr>');d('<TD >&nbsp;</TD >');w('؟','؟');w('۔','۔');w('ے','ے');w('ی','ی');w('ئ','ئ');w('ء','ء');w('ھ','ھ');w('ہ','ہ');w('ؤ','ؤ');w('و','و');w('ں','ں');w('ن','ن');w('م','م');w('ل','ل');d('</tr>');d('<tr>');d('<td width="100%" colspan="15">');d('<table align=right style="border: 1px solid #D3D3D3;" colspan="15">');d('<tr>');w2('کوما',String.fromCharCode(0x060C));w2('تشدید',String.fromCharCode(0x0651));w2('کھڑی زبر',String.fromCharCode(0x0670));w2('درمیانی حمزہ',String.fromCharCode(0x0626));w2('دو زیر',String.fromCharCode(0x064D));w2('دو زبر',String.fromCharCode(0x064B));w2(' پیش ',String.fromCharCode(0x064F));w2('زبر',String.fromCharCode(0x064E));w2('زیر',String.fromCharCode(0x0650));d('</tr>');d('</table>');d('</td>');d('</tr>');d('</table>');d('</span>');}
function r(e){e=(e)?e:(window.event)?event:null;if(e.srcElement){var el=e.srcElement;className=el.className;if(className=='btnFlat'||className=='btnLowered'){el.className='btnRaised';}}else if(e.target){var el=e.target;className=el.className;if(className=='btnFlat'||className=='btnLowered'){el.className='btnRaised';}}}
function n(e){e=(e)?e:(window.event)?event:null;if(e.srcElement){var el=window.event.srcElement;className=el.className;if(className=='btnRaised'||className=='btnLowered'){el.className='btnFlat';}}else if(e.target){var el=e.target;className=el.className;if(className=='btnRaised'||className=='btnLowered'){el.className='btnFlat';}}}
function l(e){e=(e)?e:(window.event)?event:null;if(e.srcElement){var el=window.event.srcElement;className=el.className;if(className=='btnFlat'||className=='btnRaised'){el.className='btnLowered';}}else if(e.target){var el=e.target;className=el.className;if(className=='btnFlat'||className=='btnRaised'){el.className='btnLowered';}}}


function setEditor(evt)
{
	if(window.opera)
	{
		currEdit=window.event.srcElement;
	}
	if(isGecko)
	{
		currEdit=evt.target;		
	}
	else
		currEdit=window.event.srcElement;
}

function setUrduById(idx)
{
	setUrdu(idx, true);
}

function setEnglishById(idx)
{
	setEnglish(idx, true);
}

function setEnglish(idx, byId)
{

	var el;
	if(arguments.length >1)
	{
		if(byId)
			el= document.getElementById(idx);
		else
			el= $(idx); 
	}
	else
	{
		el= $(idx); 
	}
	
	langArray[idx]=0;
	el.style.backgroundColor="#CCCCFF";
	if (el.createTextRange) 
	{
		var caretPos = el.caretPos;
		el.focus(caretPos);
		currEdit=el;
	}
	else if (el.selectionStart || el.selectionStart == '0')
	{
		var startPos = el.selectionStart; 
		el.focus(); 
		currEdit=el;
		el.selectionStart = startPos + 1; 
		el.selectionEnd = startPos + 1;
	}
}

function setUrdu(idx, byId)
{
	var el;
	if(arguments.length >1)
	{
		if(byId)
			el= document.getElementById(idx);
		else
			el= $(idx); 
	}
	else
	{
		el= $(idx); 
	}
	
	langArray[idx]=1;
	el.focus(1);
	el.style.backgroundColor="#99FF99";
	if (el.createTextRange) 
	{
		var caretPos = el.caretPos;
		el.focus(caretPos);
		currEdit=el;
	}
	else if (el.selectionStart || el.selectionStart == '0')
	{
		var startPos = el.selectionStart; 
		el.focus(); 
		currEdit=el;
		el.selectionStart = startPos + 1; 
		el.selectionEnd = startPos + 1;
	}
}

function writeToggleControl(idx, byId)
{
	var strName= idx+"_toggle";
	
	if(arguments.length >1)
	{
		if(byId)
			document.writeln('<span class="smallfonteng10">English<input type="radio" value="English" name="'+strName+'"onclick=\'setEnglishById("'+idx+'")\'>&#1575;&#1585;&#1583;&#1608;<input type="radio" value="Urdu" checked name="'+strName+'" onclick=\'setUrduById("'+idx+'")\'></span>');		
	}
	else
	{
		document.writeln('<span class="smallfonteng10">English<input type="radio" value="English" name="'+strName+'"onclick=\'setEnglish("'+idx+'")\'>&#1575;&#1585;&#1583;&#1608;<input type="radio" value="Urdu" checked name="'+strName+'" onclick=\'setUrdu("'+idx+'")\'></span>'); 
	}
}

function writeHelp()
{	
	var el= document.getElementById("comment");	
	var p = document.createElement("P");
	var txt = document.createTextNode('اس بلاگ پر آپ اردو ایڈیٹر کے سہولت کے ذریعے اردو میں اپنے تبصرے شامل کر سکتے ہیں۔ اردو کی بورڈ کی وضاحت کے لیے تکنیکی مدد کے صفحے سے رجوع فرمائیں۔ اردو ایڈیٹر میں انگریزی ٹائپ کرنے کے لیے CTRL+SPACE پریس کریں اور دوبارہ اردو ٹائپ کرنے کے لیے بھی اسی کی کمبینیشن کا استعمال کریں۔');

	p.appendChild(txt);
	p.style.color="#FF0000";
	el.parentNode.insertBefore(p, el);
	
}

function insertToggleControl(idx, byId)
{
	var strName= idx+"_toggle";
	var el;
	
	if(arguments.length >1)
	{
		if(byId)
		{
			el= document.getElementById(idx);
			
			if(null==el) return;
			var lineBR=document.createElement("br");
			el.parentNode.insertBefore(lineBR, el.nextSibling);
			var toggleSpan= document.createElement("span");
			toggleSpan.innerHTML='English<input type="radio" value="English" name="'+strName+'"onclick=\'setEnglishById("'+idx+'")\'>&#1575;&#1585;&#1583;&#1608;<input type="radio" value="Urdu" checked name="'+strName+'" onclick=\'setUrduById("'+idx+'")\'>';
			//document.writeln('English<input type="radio" value="English" name="'+strName+'"onclick=\'setEnglish("'+idx+'")\'>&#1575;&#1585;&#1583;&#1608;<input type="radio" value="Urdu" checked name="'+strName+'" onclick=\'setUrdu("'+idx+'")\'>'); 
			lineBR.parentNode.insertBefore(toggleSpan, lineBR.nextSibling);
			var lineBR2=document.createElement("br");
			el.parentNode.insertBefore(lineBR2, toggleSpan.nextSibling);
			//document.writeln('English<input type="radio" value="English" name="'+strName+'"onclick=\'setEnglishById("'+idx+'")\'>&#1575;&#1585;&#1583;&#1608;<input type="radio" value="Urdu" checked name="'+strName+'" onclick=\'setUrduById("'+idx+'")\'>');		
		}
	}
	else
	{
		el= $(idx);
		if(null==el) return;
		var lineBR=document.createElement("br");
		el.parentNode.insertBefore(lineBR, el.nextSibling);
		var toggleSpan= document.createElement("span");
		toggleSpan.style.width="200px";
		toggleSpan.innerHTML='English<input type="radio" value="English" name="'+strName+'"onclick=\'setEnglish("'+idx+'")\'>&#1575;&#1585;&#1583;&#1608;<input type="radio" value="Urdu" checked name="'+strName+'" onclick=\'setUrdu("'+idx+'")\'>';
		//document.writeln('English<input type="radio" value="English" name="'+strName+'"onclick=\'setEnglish("'+idx+'")\'>&#1575;&#1585;&#1583;&#1608;<input type="radio" value="Urdu" checked name="'+strName+'" onclick=\'setUrdu("'+idx+'")\'>'); 
		lineBR.parentNode.insertBefore(toggleSpan, lineBR.nextSibling);
		var lineBR2=document.createElement("br");
		el.parentNode.insertBefore(lineBR2, toggleSpan.nextSibling);
	}		
}





function $(strName)
{
	var result=null;
	allInputs= document.getElementsByTagName('input');
		
	for (var i = 0; i < allInputs.length; i++) 
	{
		thisInput = allInputs[i];
		if(thisInput.type == 'text')
		{			
			if(thisInput.name == strName)				
				return thisInput;
		}
	}
	
	allTextAreas= document.getElementsByTagName('textarea');
	for (i = 0; i < allTextAreas.length; i++) 
	{
		thisTextArea= allTextAreas[i];				
		if(thisTextArea.name == strName)				
			return thisTextArea;		
	}
	return null;
}

function addEvent(obj, evType, fn){
	
  /*if (window.opera && obj.addEventListener)
  {
	obj.addEventListener(evType, fn, false);
    return true;
  }	
  else */
  if (obj.addEventListener)
  {
    obj.addEventListener(evType, fn, true);
    return true;
  }
  else if (obj.attachEvent)
  {
    var r = obj.attachEvent("on"+evType, fn);	
    return r;
  }
  else
  {
    alert("Handler could not be attached");
  }
}


function makeUrduEditorById(idx, pt)
{
	langArray[idx]=1;
	var el= document.getElementById(idx);
	
	el.setAttribute("OpenPadId", idx);
	if(null==el)
		return;
	setAttributes(el, pt);
}

function makeUrduEditor(idx, pt)
{		
	langArray[idx]=1;	
	var el= $(idx);
	
	if(null==el)
		return;
	setAttributes(el, pt);		
}

function setAttributes(el, pt)
{
	el.lang="ur";
	el.dir="rtl";
	el.onFocus= "setEditor(el)";
	el.onclick="storeCaret(el)";
	el.onkeyup="storeCaret(el)";

	el.wrap="soft";
	with(el.style)
	{
		fontFamily="Urdu Naskh Asiatype";
		fontSize=pt;
		backgroundColor="#99FF99";
	}
	
	addEvent(el , "keypress",  processKeypresses);
	addEvent(el , "keydown",  processKeydown);
	addEvent(el , "keyup",  processKeyup);
	addEvent(el , "focus", setEditor);	
}

function setKeymap(keymapName)
{
    CurrentKeyboard= KeyMaps[keymapName];
    //UpdateKeypad(kbNormal);
}


function AddEditor(sName)
{
    langArray[sName]=1;
}

function makeUrduEditors(editors)
{
	var strName;
	var iSize;
	
	for(var xtextEl in editors)
	{
		strName= xtextEl;
		iSize= editors[xtextEl];
		makeUrduEditor(strName, iSize);
	}
}

function makeUrduEditorsById(editors)
{
	var strName;
	var iSize;
	

	for(var xtextEl in editors)
	{
		strName= xtextEl;
		iSize= editors[xtextEl];
		makeUrduEditorById(strName, iSize);
	}
}

function initUrduEditor()
{
    var	ua = navigator.userAgent.toLowerCase();
    isIE = ((ua.indexOf("msie")	!= -1) && (ua.indexOf("opera") == -1) && (ua.indexOf("webtv") == -1));
    isGecko	= (ua.indexOf("gecko") != -1);
    isSafari = (ua.indexOf("safari") !=	-1);
    isKonqueror	= (ua.indexOf("konqueror") != -1);
    isOpera	= window.opera;
   
	var allInputs, thisInput, attr;
	var allTextAreas, thisTextArea;
	var editors;
	
	var ua = navigator.userAgent.toLowerCase();
	isIE = ((ua.indexOf("msie") != -1) && (ua.indexOf("opera") == -1) && (ua.indexOf("webtv") == -1)); 
	isGecko = (ua.indexOf("gecko") != -1);
	isOpera= window.opera;

	var _se = document.getElementsByTagName('script');
		for (var i=0; i<_se.length; i++) {
		if (_se[i].src && (_se[i].src.indexOf("OpenPad.js") != -1) )
		{			
			_x=_se[i].src.indexOf("OpenPad.js");
			_sp=_se[i].src.substring(0,_x);		
		}
	}
	

	document.writeln('<style type="text/css">@import "'+_sp+'OpenPad.css";</style>');
    
    document.onmouseover=r;
	document.onmouseout=n;
	document.onmousedown=l;
	document.onmouseup=r
    addEvent(document, "keydown", Downkeys);
    addEvent(document, "keyup",	Upkeys);
    KeyMaps["UrduPhonetic"]=UrduPhonetic;
    setKeymap("UrduPhonetic");    
}