document.onkeypress=ConvertKey;

// set arr_lang with default langauge startup options - 0 for English and 1 for Myanmar
// set the field index in the input or textarea when calling the function
// the array must match number of fields for which to use Ponnya_Web
var inputArray = new Array();

// set default language to Myanmar, 2 = Myanmar, 1 = English
var default_language = 1;
var lanugage = default_language;
var focusedInput = '';

function init(myDiv, myField) {
	document.getElementById(myDiv).innerHTML='<img src=img/langswitcheng.gif onClick="LangSwitcher(\'myan\', '+myField.id+')" alt="Turn on Myanmar language" align="absmiddle"> ';
}

function ConvertKey() {
e = event.srcElement.id;
if (e) {
  unichar = "";	
  e = event;
  if (e.keyCode) keycode=e.keyCode;
   else keycode=e.which;
  // check if language is set to 1 (Myanmar)
  if (language==2) {
	switch(keycode) {
		case 117 : keycode = 4096; break;
		case 99 : keycode = 4097; break;
		case 42 : keycode = 4098; break;
		case 67 : keycode = 4099; break;
		case 105 : keycode = 4100; break;
		case 112 : keycode = 4101; break;
		case 113 : keycode = 4102; break;
		case 90 : keycode = 4103; break;
		case 245 : keycode = 4104; break;
		case 218 : keycode = 4105; break;
		case 110 : keycode = 4106; break;
		case 35 : keycode = 4107; break;
		case 88 : keycode = 4108; break;
		case 33 : keycode = 4109; break;
		case 161 : keycode = 4110; break;
		case 80 : keycode = 4111; break;
		case 119 : keycode = 4112; break;
		case 120 : keycode = 4113; break;
		case 39 : keycode = 4114; break;
		case 34 : keycode = 4115; break;
		case 101 : keycode = 4116; break;
		case 121 : keycode = 4117; break;
		case 122 : keycode = 4118; break;
		case 65 : keycode = 4119; break;
		case 98 : keycode = 4120; break;
		case 114 : keycode = 4121; break;
		case 44 : keycode = 4122; break;
		case 38 : keycode = 4123; break;
		case 118 : keycode = 4124; break;
		case 234 : keycode = 4125; break;
		case 111 : keycode = 4126; break;
		case 91 : keycode = 4127; break;
		case 86 : keycode = 4128; break;
		case 116 : keycode = 4129; break;
		case 163 : keycode = 4131; break;
		case 254 : keycode = 4132; break;
		case 79 : keycode = 4133; break;
		case 232 : keycode = 4134; break;
		case 235 : keycode = 4137; break;
		case 236 : keycode = 4138; break;
		case 103 : keycode = 4139; break;
		case 109 : keycode = 4140; break;
		case 100 : keycode = 4141; break;
		case 68 : keycode = 4142; break;
		case 107 : keycode = 4143; break;
		case 108 : keycode = 4144; break;
		case 97 : keycode = 4145; break;
		case 74 : keycode = 4146; break;
		case 75 : keycode = 4147; break;
		case 76 : keycode = 4148; break;
		case 72 : keycode = 4150; break;
		case 104 : keycode = 4151; break;
		case 59 : keycode = 4152; break;
		case 102 : keycode = 4153; break;
		case 115 : keycode = 4154; break;
		case 106 : keycode = 4155; break;
		case 71 : keycode = 4156; break;
		case 83 : keycode = 4157; break;
		case 48 : keycode = 4160; break;
		case 49 : keycode = 4161; break;
		case 50 : keycode = 4162; break;
		case 51 : keycode = 4163; break;
		case 52 : keycode = 4164; break;
		case 53 : keycode = 4165; break;
		case 54 : keycode = 4166; break;
		case 55 : keycode = 4167; break;
		case 56 : keycode = 4168; break;
		case 57 : keycode = 4169; break;
		case 63 : keycode = 4170; break;
		case 47 : keycode = 4171; break;
		case 252 : keycode = 4172; break;
		case 237 : keycode = 4173; break;
		case 164 : keycode = 4174; break;
		case 92 : keycode = 4175; break;
		case 58 : keycode = 4186; break;
		case 250 : keycode = 4192; break;
		case 169 : keycode = 4193; break;
		case 190 : keycode = 4194; break;
		case 162 : keycode = 4195; break;
		case 70 : keycode = 4196; break;
		case 246 : keycode = 4197; break;
		case 228 : keycode = 4198; break;
		case 249 : keycode = 4199; break;
		case 198 : keycode = 4200; break;
		case 209 : keycode = 4201; break;
		case 251 : keycode = 4202; break;
		case 241 : keycode = 4203; break;
		case 179 : keycode = 4204; break;
		case 178 : keycode = 4205; break;
		case 215 : keycode = 4206; break;
		case 185 : keycode = 4207; break;
		case 214 : keycode = 4208; break;
		case 229 : keycode = 4209; break;
		case 197 : keycode = 4210; break;
		case 172 : keycode = 4211; break;
		case 166 : keycode = 4212; break;
		case 180 : keycode = 4213; break;
		case 168 : keycode = 4214; break;
		case 233 : keycode = 4215; break;
		case 220 : keycode = 4216; break;
		case 230 : keycode = 4217; break;
		case 193 : keycode = 4218; break;
		case 199 : keycode = 4219; break;
		case 174 : keycode = 4220; break;
		case 223 : keycode = 4221; break;
		case 77 : keycode = 4222; break;
		case 78 : keycode = 4223; break;
		case 66 : keycode = 4224; break;
		case 96 : keycode = 4225; break;
		case 126 : keycode = 4226; break;
		case 238 : keycode = 4227; break;
		case 239 : keycode = 4228; break;
		case 244 : keycode = 4229; break;
		case 243 : keycode = 4230; break;
		case 167 : keycode = 4231; break;
		case 73 : keycode = 4232; break;
		case 170 : keycode = 4233; break;
		case 84 : keycode = 4234; break;
		case 216 : keycode = 4235; break;
		case 208 : keycode = 4236; break;
		case 248 : keycode = 4237; break;
		case 240 : keycode = 4238; break;
		case 69 : keycode = 4239; break;
		case 189 : keycode = 4240; break;
		case 64 : keycode = 4241; break;
		case 124 : keycode = 4242; break;
		case 123 : keycode = 4243; break;
		case 89 : keycode = 4244; break;
		case 85 : keycode = 4245; break;
		case 201 : keycode = 4246; break;
		case 165 : keycode = 4247; break;
		case 81 : keycode = 4154; unichar = String.fromCharCode(4157); break;
		case 82 : keycode = 4221; unichar = String.fromCharCode(4156); break;
		case 87 : keycode = 4221; unichar = String.fromCharCode(4234); break;		
    }
	e.keyCode=keycode;
  }
  unichar += String.fromCharCode(e.keyCode);
  insertAtCursor(focusedInput, unichar);
  if (keycode == 13) return true;
  else return false;
}
else return true;
}

function LangSwitcher(lang, myField) {
  myDiv = event.srcElement.parentElement.id;
  if (lang=='eng') {
	language = 1;
	document.getElementById(myDiv).innerHTML='<img src=img/langswitcheng.gif onClick="LangSwitcher(\'myan\', '+myField.id+')" alt="Turn on Myanmar language" align="absmiddle"> ';
  }
  else {
  	language = 2;
	document.getElementById(myDiv).innerHTML='<img src=img/langswitchmyan.gif onClick="LangSwitcher(\'eng\', '+myField.id+')" alt="Turn on English language" align="absmiddle"> ';
  }
  focusedInput=myField;
  inputArray[focusedInput.id]=language;
  insertAtCursor(focusedInput, '');
}

function insertAtCursor(myField, myValue) {
	if (document.selection) {
		// IE support
		myField.focus();
		var sel = document.selection;
		var rng = sel.createRange();
		rng.collapse;
		rng.text = myValue;
	} else if (myField.selectionStart || myField.selectionStart == '0') {
		// MOZILLA/NETSCAPE support
		// not working yet, only IE supported
		var startPos = myField.selectionStart;
		var endPos = myField.selectionEnd;
		myField.value = myField.value.substring(0, startPos)
			+ myValue
			+ myField.value.substring(endPos, myField.value.length);
	} else {
		myField.value += myValue;
	}
	focusedInput.doScroll("down"); 
}

function makeFocused(){
	focusedInput = event.srcElement;
	if (!inputArray[focusedInput.id]) {
		inputArray[focusedInput.id] = default_language;
	}
	language = inputArray[focusedInput.id];
}