function insertAtCursor(myField, myValue) {
  //IE support
  if (document.selection) {
    myField.focus();
    sel = document.selection.createRange();
    sel.text = myValue;
  }
  //MOZILLA/NETSCAPE support
  else if (myField.selectionStart || myField.selectionStart == '0') {
    var startPos = myField.selectionStart;
    var endPos = myField.selectionEnd;
	var restoreTop = myField.scrollTop;
    myField.value = myField.value.substring(0, startPos)
                  + myValue
                  + myField.value.substring(endPos, myField.value.length);
		if (restoreTop > 0) {
		myField.scrollTop = restoreTop + 20;
		}
	myField.setSelectionRange(startPos+1, endPos+1);
  } 
  else {
  myField.value += myValue;
  }
}

function uniCope(e) {
	function timeoutFunc(){
	buildBar(obj);
	}
if (!e) e = window.event;
var obj = (e.target) ? e.target : e.srcElement;
var keyCode = (window.event)? e.keyCode : e.which;
var thisForm = document.forms.postForm;
/* kbpref = 0 for Phonetic keyboard
 * kbPref = 1 for Standard keyboard
 * kbPref = -1 for unicode
 */
	if (lang == 'ru'){
		if (keyCode < 127) {// If the ascii code is phonetic or stndard
			if (keyCode > 32) {
			var chr = convert[kbPref][String.fromCharCode(keyCode)];		
				if (chr != '') {	
				insertAtCursor(obj, chr);
				return false;
				}
			}//if (keyCode > 32)
		}//if (keyCode < 127)
		else if (keyCode > 256){
			if(kbPref!=-1){
			kbPref = -1; // use in convert
			updateKBPref();
			removeChildren(document.getElementById('languageBar'));
			makeTitleDIV(obj);
			var spanTitle = document.getElementById('spanTitle');
			spanTitle.appendChild(document.createTextNode("Online keyboard exiting..."));
			spanTitle.style.fontSize = '9pt';
			document.getElementById('kbImg').style.visibility = 'hidden';
			adjustLangBarPosition(obj);
			document.getElementById('languageBar').style.visibility = 'visible';
			timerID=setTimeout(timeoutFunc, 3000);
			lang = 'en';
				if (thisForm.isWarmup) {
		    	thisForm.examineeTextSamp.value = '';
		    	showWarning();
				}
		    var keyboardDIV = document.getElementById('keyboardDIV');
				if (keyboardDIV.style.visibility == 'visible'){
				keyboardDIV.style.visibility = "hidden";
				}
				if (keyboardDIV) {
				keyboardDIV.style.backgroundImage = "url(images/keyboard/none.gif)";	
				}
			} //if (kbPref!=-1)
		}//if (keyCode > 256)
		// alert user if they are using non unicode character
		else {
			if (thisForm.isWarmup) {
			thisForm.examineeTextSamp.value = '';
			}
		alert('You are using a keyboard driver which is not permitted. Please switch your system keyboard driver to English');
		}
	}//if (lang == 'ru')	
return true;
}
window.addListener(window,'load',textInit, false);
var initialFocusField = -1;
function textInit() {
var texts = document.getElementsByTagName("TEXTAREA");
var inputs = document.getElementsByTagName("INPUT");
	for (i = 0; i < texts.length; i++) {
		if (texts[i].id) {
			text = texts[i];
			if (text.className=="conversionEnabled") { // hacky what can we use besides class to mark unicode fields?
				if (initialFocusField == -1) initialFocusField = text;
				text.onkeypress = uniCope;
				text.onfocus = function () {createLanguageBar(document.getElementById(text.id), languageOps, kbPref, lang)}	
			}
		}
	}

	for (i = 0; i < inputs.length; i++) {
	     if (inputs[i].id) {
			if (inputs[i].type == "text") {
				text = inputs[i];
				if (initialFocusField == -1) initialFocusField = text;
				if (text.className == "conversionEnabled") {
					text.onkeypress = uniCope;
					text.onfocus = function () {createLanguageBar(document.getElementById(text.id), languageOps, kbPref, lang)}
				}
			}
		}
	}
	if (initialFocusField != -1) {
	timerID=setTimeout("firstFocus()",100);
	}
// IE NOT WORKING ??? 
//var body = (document.body) ? document.body : document.getElementsByTagName("body").item(0);
var body = document.getElementsByTagName("body").item(0);
var languageBar = document.createElement('div');	
languageBar.id = 'languageBar';
languageBar.name = 'languageBar';
body.appendChild(languageBar);
var keyboardDIV = document.createElement('div');	
keyboardDIV.id = 'keyboardDIV';
keyboardDIV.name = 'keyboardDIV';
keyboardDIV.className = 'drag';
body.appendChild(keyboardDIV); 
}
function firstFocus(){
initialFocusField.focus()	
}
function switchKeyboard(num,textField){
var thisForm = document.forms.postForm;
var kbPrefRef = thisForm.kbPref;
kbPref = num; // use in convert
var keyboardDIV = document.getElementById('keyboardDIV');
	if (keyboardDIV.style.visibility == 'visible'){
	keyboardDIV.style.visibility = "hidden";
	}
removeWarning();
	if (keyboardDIV) {
	var kbImg = (num == 0) ? 'phonetic' : 'standard';
	keyboardDIV.style.backgroundImage = "url(images/keyboard/" + kbImg + ".gif)";	
	}
textField.focus(); 
}

function showWarning() {
var msgAnchor = document.getElementById('msgAnchor');
var  msgDiv = document.createElement('div');
msgDiv.className = 'warningMsg_kb';
var msg =  "We have detected that you are using your own keyboard driver you may countinue to use this through out " +
           "the exam however we cannot supply you with a keyboard layout." +
           "To use the default Russian keyboard driver: ";
var msgBody = document.createTextNode(msg);
msgDiv.appendChild(msgBody);           
var  msgOL = document.createElement('ol'); 
var  msgLi_1 = document.createElement('li');
var  msgLi_2 = document.createElement('li');
var liMsg_1 = 'Switch your system keyboard driver to English.';
var liMsg_2 = 'Select either Phonetic or Standard keyboard.';
var msgBody_1 = document.createTextNode(liMsg_1);
var msgBody_2 = document.createTextNode(liMsg_2); 
msgLi_1.appendChild(msgBody_1);
msgLi_2.appendChild(msgBody_2);
msgOL.appendChild(msgLi_1);
msgOL.appendChild(msgLi_2);  
msgDiv.appendChild(msgOL);
msgAnchor.appendChild(msgDiv);      
}

function removeWarning(){
var msgAnchor = document.getElementById('msgAnchor');
	if (msgAnchor) {
		while(msgAnchor.hasChildNodes()) {
		msgAnchor.removeChild(msgAnchor.childNodes[0]);
		}
	}
}
function returnToExam(userKey){
updateKBPref(kbPref);				
var thisForm = document.forms.postForm;
	if (thisForm.examineeTextSamp.value == ''){
	alert ('Please enter the specified text into the text area.');
	return;
	}
	var sampleText = rusSmallP + rusSmallO + rusSmallR + rusSmallA + rusSmallP + 
	                 rusSmallEE + rusSmallS + rusSmallA + rusSmallT + rusSmallSoftSign;
	var string = thisForm.examineeTextSamp.value.toLowerCase();
	string = string.replace(/\s*/g,'');
	string = string.replace(/(\.|\,|\;|\:|\-|\'\|\")*/g,'');
	var stringMatchCounter = 0;
		for (var i=0;i<sampleText.length;i++){
			if (sampleText.charAt(i) == string.charAt(i)) stringMatchCounter++;	
		}
		if (sampleText.length != stringMatchCounter) {
		alert ('The text you have entered does not match the pass phrase.');
		return;
		}
	thisForm.action = 'http://www.russnet.org/examInterface/sectionCover.php?examineeKey=' + userKey;
	timerID=setTimeout(function(){thisForm.submit()},1000);
}