/*  Gopi's Unicode Converters Version 3.0


    Copyright (C) 2008 Gopalakrishnan (Gopi) http://www.higopi.com


 


    This program is free software: you can redistribute it and/or modify


    it under the terms of the GNU General Public License as published by


    the Free Software Foundation, either version 3 of the License, or


    (at your option) any later version.


 


    This program is distributed in the hope that it will be useful,


    but WITHOUT ANY WARRANTY; without even the implied warranty of


    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the


    GNU General Public License for more details.


 


    You should have received a copy of the GNU General Public License


    along with this program.  If not, see <http://www.gnu.org/licenses/>.


 


    Further to the terms mentioned you should leave this copyright notice


    intact, stating me as the original author.


*/


var isIE = document.all?true:false;


var myimg = new Image();


var sPos = 0;


var isTh = false;


var isNg = false;


var kbmode = "roman";


var pkbmode = "roman";


var SplKeys = new Array();


var toShowHelp = true;


var webhome = "http://www.higopi.com";


 


SplKeys["ZR"] = 0;


SplKeys["BS"] = 8;


SplKeys["CR"] = 13;


 


function incfont(fontname, fontfile)


{


if(isIE)


	document.write("<STY"+"LE TYPE='text/css'>\n<!--\n@font-face {\n"


				+ "font-family: "+fontname+";\nsrc:url("+fontfile+".eot);\n"


				+ "}\n-->\n</ST"+"YLE>")


}


 


function getStyleObject(objectId)


{


    // cross-browser function to get an object's style object given its


    if(document.getElementById && document.getElementById(objectId)) {


	// W3C DOM


	return document.getElementById(objectId).style;


    } else if (document.all && document.all(objectId)) {


	// MSIE 4 DOM


	return document.all(objectId).style;


    } else if (document.layers && document.layers[objectId]) {


	// NN 4 DOM.. note: this won't find nested layers


	return document.layers[objectId];


    } else {


	return false;


    }


} // getStyleObject


 


 


function showMap(obj)


{


  if(!obj.checked)


  {	hideMap();	return;	}


 


  if(document.getElementById('KeyMapDiv') == null)


    {


	    mapdiv  = document.createElement('div');


		mapdiv.setAttribute('id','KeyMapDiv');


		mapdiv.setAttribute('align','left');


		mapdiv.onmousedown = downMap;


		mapdiv.onmouseup = upMap;


		bdy = document.getElementsByTagName('BODY')[0];


		bdy.appendChild(mapdiv);


 


		mapstyle = getStyleObject('KeyMapDiv');


		mapstyle.width = '140px';


		mapstyle.backgroundColor= '#FFFFFF';


		mapstyle.position = 'absolute';


		mapstyle.cursor = 'move';


	}


	else


	{


		mapdiv  = document.getElementById('KeyMapDiv');


		mapstyle = getStyleObject('KeyMapDiv');


	}


	mapdiv.innerHTML = '<table border="0" cellpadding="0" cellspacing="0" style="border:3px solid #0e88af;background-color:#ffffff;width:100%;"><tr>'


						+'<td style="background-color:#0e88af;color:#ffffff;" nowrap="nowrap"><b>&nbsp;Keypad Map - '


						+lang.substring(0,1).toUpperCase() + lang.substring(1)+'</b></td><td bgcolor="#0e88af" nowrap="nowrap" width="20" align="right">'


						+'<div align="right" onclick="hideMap()" style="padding:2px;width:20px;text-align:right;background-color:#0e88af;color:#ffffff;cursor:default">'


						+'<b> &nbsp; X &nbsp; </b></div></td></tr><tr><td colspan="2" align="center"><img name="KeyMap" src='+myimg.src


						+' style="display:block"></td></tr></table>';


	mapstyle.left = '100px';


	if(isIE)


	{	mapstyle.pixelTop = document.body.scrollTop+100;	}


	else


	{	mapstyle.top = window.pageYOffset+100+"px";	}


	mapstyle.display = 'inline';


}


 


function moveMap(e)


{


	mapdiv  = document.getElementById('KeyMapDiv');


	mapstyle = getStyleObject('KeyMapDiv');


 


	if (!e) e = window.event;


	if (dragok)


	{


	  if (isIE) { 	 mapstyle.left = dx + e.clientX - tempX + "px";	 mapstyle.top  = dy + e.clientY - tempY + "px";	}


	  else { 	 mapstyle.left = dx + e.pageX - tempX + "px";	 mapstyle.top  = dy + e.pageY - tempY + "px";	}


	  return false;


	}


}


 


var dx,dy,tempX,tempY;


var dragok = false;


var n = 500;


 


function downMap(e)


{


	mapdiv  = document.getElementById('KeyMapDiv');


	mapstyle = getStyleObject('KeyMapDiv');


 	dragok = true;


 	mapstyle.zIndex = n++;


 	dx = parseInt(mapstyle.left+0);


 	dy = parseInt(mapstyle.top+0);


	if (!e) e = window.event;


	if (isIE) { 	tempX = e.clientX;		 	tempY = e.clientY;}


	else { 	tempX = e.pageX;		 	tempY = e.pageY;	}


 


 	document.onmousemove = moveMap;


 


 	return false;


}


 


function upMap()


{


	dragok = false;


	document.onmousemove = null;


}


 


function hideMap()


{


		mapstyle = getStyleObject('KeyMapDiv');


		mapstyle.display = 'none';


}


 


function convertThis(e,numchar)


{


    if (!isIE)


	    Key = e.which;


    else


		Key = e.keyCode;


 


	Char = String.fromCharCode(Key);


	if(typeof numchar == "undefined")


		numchar = 4;


	if( isIE )


	{


		myField = e.srcElement;


		myField.caretPos = document.selection.createRange().duplicate();


		prevChar = myField.caretPos.text;


		diff = 0;


		cpos = getCursorPosition(myField);


		if(prevChar.length != 0)


			document.selection.clear();


		if(myField.value.length != 0 && cpos != "1,1" && cpos != "0" ) // Thanks CAPital Z for fix


		{


			myField.caretPos.moveStart('character',-1);


			prevChar = myField.caretPos.text;


			diff ++;


		}


		if(prevChar == chnbin)


		{


			myField.caretPos.moveStart('character',-1);


			prevChar = myField.caretPos.text;


			diff ++;


		}


 


		if(cpos[1] > numchar )


		{


			myField.caretPos.moveStart('character', diff - numchar);


			prevChar = myField.caretPos.text;


		}


		if(prevChar == "" && cpos != "1,1"  && cpos != "0" )  // Thanks CAPital Z for IE7 fix


			prevChar =  "\u000A";


		if(Key == 13)


			Char = "\u000A";


		myField.caretPos.text = getLang(prevChar,Char, 0)


		e.cancelBubble = true;


		e.returnValue = false;


	}


	else


	{


		myField = e.target;


		if( myField.selectionStart >= 0)


		{


			if(isSplKey(Key) ||  e.ctrlKey )


				return true;


			var startPos = myField.selectionStart;


			var endPos = myField.selectionEnd;


			txtTop = myField.scrollTop;


			if(myField.value.length == 0)


			{


				prevChar = "";


				myField.value = getLang(prevChar,Char, startPos)


			}


			else


			{


				prevChar = myField.value.substring(startPos - 1,startPos);


				prevStr =  myField.value.substring(0,startPos - 1);


				if(prevChar == chnbin)


				{


					prevChar = myField.value.substring(startPos - 2,startPos);


					prevStr =  myField.value.substring(0,startPos - 2);


				}


				cpos = getCursorPosition(myField);


				if(cpos[1] >= numchar)


				{


					prevChar = myField.value.substring(startPos - numchar,startPos);


					prevStr =  myField.value.substring(0,startPos - numchar);


				}


				myField.value = prevStr + getLang(prevChar,Char, myField.selectionStart)


						  + myField.value.substring(endPos, myField.value.length);


			}


			myField.selectionStart = sPos ;


			myField.selectionEnd = sPos;


			if((myField.scrollHeight+4)+"px" != myField.style.height)


				myField.scrollTop = txtTop;


			e.stopPropagation();


			e.preventDefault();


		}


	}


	showCombi(e)


}


 


function toggleT(obj)


{


	isTh = obj.checked;


	if(isTh)


		ta['t'] = "\u0BA4\u0BCD";


	else


		ta['t'] = "\u0B9F\u0BCD";


}


 


function toggleG(obj)


{


	isNg = obj.checked;


	if(isNg)


		ta['g'] = "\u0B99\u0BCD";


	else


		ta['g'] = "\u0B95\u0BCD"


}


 


function toggleKBMode(e,obj)


{


	if(obj != null)


	{


		pkbmode = kbmode;


		kbmode = obj.value;


		if(kbmode == "typewriter" && lang != 'english')


			myimg.src = "http://www.kanithamil.com/images/tamiltw.png";


		else if(kbmode == "tamil99")


			myimg.src = "http://www.kanithamil.com/images/Tamil-99.png";


		else


			myimg.src = "http://www.kanithamil.com/images/phonetic.gif";


	}


	else


	{


		if (!isIE)


	        key = e.which;


	    else


			key = e.keyCode;


		if (key == 123)


		{


			if(kbmode != "english")


			{


				pkbmode = kbmode;


				kbmode = "english";


			}


			else


			{


				kbmode = pkbmode;


				pkbmode = "english";


			}


		}


 


	}


}


 


function isSplKey(keynum)


{


	retVal = false;


	for(i in SplKeys)


	{


		if(keynum == SplKeys[i])


			retVal = true;


	}


	return retVal;


}


 


function getLang(prv, txt, sP)


{


	sPos = sP;


	if(kbmode == "english")


	{


		retTxt = prv+txt;


		sPos ++;


	}


	else if(kbmode == "typewriter")


	{


		if(prv == ugar && mapLang(txt,sP,"tw") == uugar)


			retTxt = mapLang(prv+txt,sP,"tw");


		else


			retTxt = prv+mapLang(txt,sP,"tw");


	}


	else if(kbmode == "tamil99")


	{


		retTxt = mapLang(prv+txt,sP,"t99");


	}


	else


	{


		if(pkbmode == "english")


		{


			retTxt = prv+mapLang(txt);


			pkbmode = "roman";


		}


		else


			retTxt = mapLang(prv+txt);


	}


	return retTxt;


}


 


function mapLang(txt,sP,mod)


{


	if(sP != null)


		sPos = sP;


	prvlen = txt.length;


	txtarr = eval(lang.substring(0,2));


	if(mod != null && mod == "tw")


		txtarr = eval(lang.substring(0,2)+"tw");


	if(mod != null && mod == "t99")


		txtarr = eval(lang.substring(0,2)+"99");


	retTxt = "";


	for(itm in txtarr)


	{


		rexp = new RegExp(itm,"g");


		txt = txt.replace(rexp, txtarr[itm]);


	}


	sPos += (txt.length -prvlen +1);


	return txt;


}


 


function getCursorPosition(textarea)


{


	var txt = textarea.value;


	var len = txt.length;


	var erg = txt.split("\n");


	var pos = -1;


	if(typeof document.selection != "undefined")


	{ // FOR MSIE


	range_sel = document.selection.createRange();


	range_obj = textarea.createTextRange();


	range_obj.moveToBookmark(range_sel.getBookmark());


	range_obj.moveEnd('character',textarea.value.length);


	pos = len - range_obj.text.length;


	}


	else if(typeof textarea.selectionStart != "undefined")


	{ // FOR MOZILLA


	pos = textarea.selectionStart;


	}


	if(pos != -1)


	{


		for(ind = 0;ind<erg.length;ind++)


		{


			len = erg[ind].length + 1;


			if(pos < len)


				break;


			pos -= len;


		}


		ind++; pos++;


		return [ind, pos]; // ind = LINE, pos = COLUMN


	}


}


 


function showCombi(e)


{


    if(document.getElementById('HelpDiv') == null)


    {


	    helpdiv  = document.createElement('div');


		helpdiv.setAttribute('id','HelpDiv');


		helpdiv.setAttribute('align','left');


		if(isIE)


		{


			bdy = e.srcElement.parentNode;


			bdy.insertBefore(helpdiv, e.srcElement);


		}


		else


		{


			bdy = e.target.parentNode;


			bdy.insertBefore(helpdiv, e.target);


		}


 


	}


	else


	{


		helpdiv  = document.getElementById('HelpDiv');


	}


	helpstyle = getStyleObject('HelpDiv');


	if(!toShowHelp || kbmode != 'roman')


	{	helpstyle.display = 'none';	return;	}


 


	prevWord =  getLang(prevChar,Char,0)


	if(isLangOtru(prevWord.substring(prevWord.length - 1)))


		prevWord = prevWord.substring(prevWord.length - 2)


	else


		prevWord = prevWord.substring(prevWord.length - 1)


 


	helptxt = "";


	prevLet = getLang(prevWord,Char,0); prevLet = prevLet.substring(prevLet.length - 1);


	if( prevWord != "" && !isLangOtru(prevWord) && prevLet != getLang('',Char,0) )


	{


		if(Char == 'a' || Char == 'i' ||Char == 'u' || Char == 'e' || Char == 'o' )


		{


			helptxt =  '<td style="font-size:12px;border:1px solid #0DE8E9;">' +prevWord+ ' + ' + Char+' = <b>' + getLang(prevWord,Char,0) + "</b></td>" ;


			if(Char == 'a')


			{


				helptxt +=  '<td style="font-size:12px;border:1px solid #0DE8E9;">' + prevWord + ' + i = <b>' + getLang(prevWord,'i',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


						  + prevWord + ' + u = <b>' + getLang(prevWord,'u',0) + "</b></td>";


				if(lang != 'tamil')


				{


					helptxt += '<td style="font-size:12px;border:1px solid #0DE8E9;">' +prevWord + ' + -m = <b>' + getLang(prevWord,'\u200Dm',0) + "</b></td>";


					helptxt += '<td style="font-size:12px;border:1px solid #0DE8E9;">' +prevWord + ' + :h = <b>' + getLang(prevWord,':',0) + "</b></td>";


					if(lang != 'malayalam' && lang != 'kannada' )


						helptxt += '<td style="font-size:12px;border:1px solid #0DE8E9;">' +prevWord + ' + -n = <b>' + getLang(prevWord,'\u200Dn',0) + "</b></td>";


				}


 


			}


		}


		else if( Char != getLang('',Char,0))


		{


			helptxt = '<td style="font-size:12px;border:1px solid #0DE8E9;">' +prevWord + ' + a = <b>' + getLang(prevWord,'a',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


				+ prevWord + ' + A = <b>' + getLang(prevWord,'A',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


				+ prevWord + ' + i = <b>' + getLang(prevWord,'i',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


				+ prevWord + ' + I = <b>' + getLang(prevWord,'I',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


				+ prevWord + ' + u = <b>' + getLang(prevWord,'u',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


				+ prevWord + ' + U = <b>' + getLang(prevWord,'U',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


				+ prevWord + ' + e = <b>' + getLang(prevWord,'e',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


				+ prevWord + ' + E = <b>' + getLang(prevWord,'E',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


				+ prevWord + ' + a + i = <b>' + getLang(getLang(prevWord,'a',0),'i',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


				+ prevWord + ' + o = <b>' + getLang(prevWord,'o',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


				+ prevWord + ' + o = <b>' + getLang(prevWord,'O',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


				+ prevWord + ' + a + u = <b>' + getLang(getLang(prevWord,'a',0),'u',0) + "</b></td>"


			if(lang == 'tamil')


			{


				if(getLang('','t',0) == prevWord)


					helptxt += '<td style="font-size:12px;border:1px solid #0DE8E9;">' +prevWord + ' + h = <b>' + getLang(prevWord,'h',0) + "</b></td>";


				if(getLang('','s',0) == prevWord)


					helptxt += '<td style="font-size:12px;border:1px solid #0DE8E9;">' +prevWord + ' + h = <b>' + getLang(prevWord,'h',0)+ "</b></td>";


				if(getLang('','S',0) == prevWord)


					helptxt += '<td style="font-size:12px;border:1px solid #0DE8E9;">' + prevWord + ' + r + I = <b>' + getLang(getLang(prevWord,'r',0),'I',0) + "</b></td>";


				if(getLang('k','n',0).indexOf(prevWord) > 0 )


					helptxt += '<td style="font-size:12px;border:1px solid #0DE8E9;">' +prevWord + ' + t + h = <b>' + getLang(getLang(prevWord,'t',0),'h',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


								+ prevWord + ' + g = <b>' + getLang(prevWord,'g',0) + "</b></td><td style='font-size:12px;border:1px solid #0DE8E9;'>"


								+ prevWord + ' + j = <b>' + getLang(prevWord,'j',0) + "</b></td>";


			}


			else


			{


				helptxt += '<td style="font-size:12px;border:1px solid #0DE8E9;">' +prevWord + ' + a + -m = <b>' + getLang(prevWord,'a\u200Dm',0) + "</b></td>";


				helptxt += '<td style="font-size:12px;border:1px solid #0DE8E9;">' +prevWord + ' + a + :h = <b>' + getLang(prevWord,'a:',0) + "</b></td>";


				if(lang != 'malayalam' && lang != 'kannada' )


					helptxt += '<td style="font-size:12px;border:1px solid #0DE8E9;">' +prevWord + ' + a  + -n = <b>' + getLang(prevWord,'a\u200Dn',0) + "</b></td>";


			}


		}


		helpdiv.innerHTML = '<table cellpadding="2" cellspacing="0" border="0" style="border:1px solid #0DE8E9;background-color:#BDE8E9"><tr>'+ helptxt + '</tr></table>';


		helpstyle.display = 'block';


 


	}


	else


		helpstyle.display = 'none';


	if(isIE) e.srcElement.onblur = hideHelp;


	else e.target.onblur = hideHelp;


}


 


function isLangOtru(letter)


{


	isOtru = false;


	otruArr = new Array (	'\u200C',


	"\u0BCD","\u0BBE","\u0BBF","\u0BC0", "\u0BC1","\u0BC2","\u0BC6","\u0BC7","\u0BC8","\u0BCA","\u0BCB","\u0BCC", // Tamil


	"\u0C4D","\u0C3E","\u0C3F","\u0C40","\u0C41","\u0C42","\u0C46","\u0C47","\u0C48","\u0C4A","\u0C4B","\u0C4C","\u0C43","\u0C44","\u0C01","\u0C02","\u0C03",  //Telugu


	"\u094D","\u093E","\u093F","\u0940","\u0941","\u0942","\u0946","\u0947","\u0948","\u094A","\u094B","\u094C","\u0901","\u0902","\u0903",// Hindi


	"\u0D4D","\u0D3E","\u0D3F","\u0D40","\u0D41","\u0D42","\u0D43","\u0D47","\u0D46","\u0D48","\u0D4A","\u0D4B","\u0D4C","\u0D02","\u0D03",  //Malayalam


	"\u0CCD","\u0CBE","\u0CBF","\u0CC0","\u0CC1","\u0CC2","\u0CC3","\u0CC4","\u0CC6","\u0CC7","\u0CC8","\u0CCA","\u0CCB","\u0CCC","\u0C82","\u0C83",//Kannada


	"\u0ACD","\u0ABE","\u0ABF","\u0AC0","\u0AC1","\u0AC2","\u0AC5","\u0AC7","\u0AC8","\u0AC9","\u0ACB","\u0ACC","\u0A81","\u0A82","\u0A83",//Gujarathi


	"\u0B4D","\u0B3E","\u0B3F","\u0B40","\u0B41","\u0B42","\u0B46","\u0B47","\u0B48","\u0B4A","\u0B4B","\u0B4C","\u0B01","\u0B02","\u0B03",//Oriya


	"\u09CD","\u09BE","\u09BF","\u09C0","\u09C1","\u09C2","\u09C6","\u09C7","\u09C8","\u09CA","\u09CB","\u09CC","\u0981","\u0982","\u0983",//Bengali


	"\u0A4D","\u0A3E","\u0A3F","\u0A40","\u0A41","\u0A42","\u0A46","\u0A47","\u0A48","\u0A4A","\u0A4B","\u0A4C","\u0A50","\u0A03"//Punjabi


	);


	for(i=0;i<otruArr.length;i++)


		if(otruArr[i] == letter)


			isOtru = true;


	return isOtru;


}


 


function showHelp(obj)


{


	toShowHelp = obj.checked;


	helpstyle = getStyleObject('HelpDiv');


	if(!toShowHelp)


		helpstyle.display = 'none';


}


 


function hideHelp()


{


	helpstyle  = getStyleObject('HelpDiv');


	helpstyle.display = 'none';


}