browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))

function playSource() {
                        
                        if (navigator.appName == "Netscape") {
                                document.javaPlug1.DoPlayPause();
                        } else {
                                        RAOCX.DoPlayPause();
                        }

}

function SetPage()
{
	today = new Date()
        today.setMinutes(today.getMinutes() + 15)
	page = location.href
	DeleteCookie("CrashPage")
	SetCookie("CrashPage", page, today)
	
}

function Recover()
{
	
	var recoveryPage = (GetCookie("CrashPage") != null) ? GetCookie("CrashPage") : null;
	if (recoveryPage != null)
        {
		if (confirm("The most recent training session in this browser was interrupted. Do you want to resume the session? Click OK to go to the last page before the interruption, or click CANCEL to access the Main Menu."))
		{ 
			window.location = recoveryPage;
		}
   	}   
		
}

function SetCookie (name, value) {
      var argv = SetCookie.arguments;
      var argc = SetCookie.arguments.length;
      var expires = (argc > 2) ? argv[2] : null;
      var path = (argc > 3) ? argv[3] : "/";
      var domain = (argc > 4) ? argv[4] : null;
      var secure = (argc > 5) ? argv[5] : false;
      document.cookie = name + "=" + escape (value) +
        ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
        ((path == null) ? "" : ("; path=" + path)) +
        ((domain == null) ? "" : ("; domain=" + domain)) +
        ((secure == true) ? "; secure" : "");
    }

function getCookieVal (offset) {
      var endstr = document.cookie.indexOf (";", offset);
      if (endstr == -1)
        endstr = document.cookie.length;
      return unescape(document.cookie.substring(offset, endstr));
    }

 function GetCookie (name) {
      var arg = name + "=";
      var alen = arg.length;
      var clen = document.cookie.length;
      var i = 0;
      while (i < clen) {
        var j = i + alen;
        if (document.cookie.substring(i, j) == arg)
          return getCookieVal (j);
        i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0) break; 
      }
      return null;
    }

function DeleteCookie (name) {
      var value = null;
      var expires = "Wednesday, 04-Nov-1990 23:00:00 GMT";
      var path = "/";
      var domain = null;
      var secure = false;

      document.cookie = name + "=" + escape (value) +
        ((expires == null) ? "" : ("; expires=" + expires)) +
        ((path == null) ? "" : ("; path=" + path)) +
        ((domain == null) ? "" : ("; domain=" + domain)) +
        ((secure == true) ? "; secure" : "");
    }

if ( browser)  {
	ON = 0
	OFF = 1

	NORMAL = 0
	CORRECT = 1
	INCORRECT = 2
	
	
	menu = new Array()
	gloss = new Array()
	help = new Array()
	audio = new Array()
	prev = new Array()
	next = new Array()
	Return = new Array()
	Close = new Array()
	AddInfo = new Array()
	Popup = new Array()
	PopupA = new Array()
	CloseG = new Array()

	Qback = new Array()
	Clown = new Array()
	Comp = new Array()
	Cube = new Array()
	Pira = new Array()

	for(idx=0; idx < 2; idx++) {

      menu[idx] = new Image()
		gloss[idx] = new Image()
		help[idx] = new Image()
		audio[idx] = new Image()
		prev[idx] = new Image()
		next[idx] = new Image()
		Return[idx] = new Image()
		Close[idx] = new Image()
		CloseG[idx] = new Image()
		AddInfo[idx] = new Image()
		Popup[idx] = new Image()
		PopupA[idx] = new Image()
		Qback[idx] = new Image()
	}

	for(idx=0; idx < 3; idx++) 
	{
		Clown[idx] = new Image()
		Comp[idx] = new Image()
		Cube[idx] = new Image()
		Pira[idx] = new Image()
	}

	
	menu[ON].src = "../images/smenu.gif"
	menu[OFF].src = "../images/nmenu.gif"

	gloss[ON].src = "../images/sgloss.gif"
	gloss[OFF].src = "../images/ngloss.gif"

	help[ON].src = "../images/shelp.gif"
	help[OFF].src = "../images/nhelp.gif"

	audio[ON].src = "../images/saudio.gif"
	audio[OFF].src = "../images/naudio.gif"

	prev[ON].src = "../images/sprev.gif"
	prev[OFF].src = "../images/nprev.gif"

	next[ON].src = "../images/snext.gif"
	next[OFF].src = "../images/nnext.gif"

	Return[ON].src = "../images/sreturn.gif"
	Return[OFF].src = "../images/nreturn.gif"

	Close[ON].src = "../images/spclose.gif"
	Close[OFF].src = "../images/npclose.gif"

	CloseG[ON].src = "../images/sclose2.gif"
	CloseG[OFF].src = "../images/nclose2.gif"

	AddInfo[ON].src = "../images/sadd.gif"
	AddInfo[OFF].src = "../images/nadd.gif"

	Popup[ON].src = "../images/sdef.gif"
	Popup[OFF].src = "../images/ndef.gif"

	PopupA[ON].src = "../images/sadef.gif"
	PopupA[OFF].src = "../images/nadef.gif"

	Qback[ON].src = "../quiz/check.gif"
	Qback[OFF].src = "../quiz/qback.gif"

	Clown[NORMAL].src = "../quiz/clown-1.gif"
	Clown[CORRECT].src = "../quiz/clown-c.gif"
	Clown[INCORRECT].src = "../quiz/clown-w.gif"

	Comp[NORMAL].src = "../quiz/comp-1.gif"
	Comp[CORRECT].src = "../quiz/comp-c.gif"
	Comp[INCORRECT].src = "../quiz/comp-w.gif"

	Cube[NORMAL].src = "../quiz/cube-1.gif"
	Cube[CORRECT].src = "../quiz/cube-c.gif"
	Cube[INCORRECT].src = "../quiz/cube-w.gif"

	Pira[NORMAL].src = "../quiz/Pira-1.gif"
	Pira[CORRECT].src = "../quiz/Pira-c.gif"
	Pira[INCORRECT].src = "../quiz/Pira-w.gif"

}

function img_over(imgName) 
{
	if ( browser) 
	{
    	document [imgName].src = eval(imgName + "[ON]" + ".src")
	if ((imgName == "Next")||(imgName == "Back"))
		{
		SetPage()
		}
	}
}

function img_out(imgName) 
{
	if ( browser) 
	{
	    document [imgName].src = eval(imgName + "[OFF]" + ".src")
	}
}


function openWindow(url,name,x,y) 
{
  
	winFeature =  "scrollbars=yes" + ",width=" + x + ",height=" + y
	PopupWin = window.open(url, name, winFeature)
	if (window.focus)
	{
		PopupWin.focus()
	}
}

function CheckMultiAnswer(q,Actor) 
{
	var Answers = ""
	var CorrectAnswerCount = 0
	var Conuter = 0

	ItemCount = q.elements.length
	for (i = 0; i < ItemCount-2; i++) 
	{
		if (q.elements[i].value == "*")
			CorrectAnswerCount++

		if (q.elements[i].checked == true)
			Answers = Answers + q.elements[i].value
	}
	if (Answers.length != CorrectAnswerCount) 
	{
		Incorrect(q,Actor,"Your answer is incorrect. The correct answer is marked.")
	}
	else 
	{
		if (isCharIn(Answers,"0"))
			Incorrect(q,Actor,"Your answer is incorrect. The correct answer is marked.")
		else 
			Correct(Actor,"Your answer is correct!")
	}
}

function CheckAnswer(q,Actor,FeedBack) 
{
	var Answer = "Incorrect"

	ResetGraphic(q,Actor)
	ItemCount = q.elements.length
	for (var i = 0; i < ItemCount; i++) 
	{
		if ((q.elements[i].value == "*")&&(q.elements[i].checked == true)) 
		{
			Answer = "Correct"
			break
		}
	}
	if (Answer == "Correct")
		Correct(Actor,FeedBack)
	else
		Incorrect(q,Actor,FeedBack)

}


function Correct(Actor,FeedBack) 
{
	document [Actor].src = eval(Actor + "[CORRECT]" + ".src")
	alert(FeedBack)
}

function Incorrect(q,Actor,FeedBack) 
{

	if (q.elements[0].type == "radio") 
	{
		document [Actor].src = eval(Actor + "[INCORRECT]" + ".src")
		ItemCount = q.elements.length
		for (i = 0; i < ItemCount; i++) 
		{
			if (q.elements[i].value == "*") 
			{
				document ["C" + i].src = Qback[ON].src
			}
		}
	}
	else 
	{
		document [Actor].src = eval(Actor + "[INCORRECT]" + ".src")
		ItemCount = q.elements.length
		for (i = 0; i < ItemCount-2; i++) 
		{
			if (q.elements[i].value == "*")
				document [q.elements[i].name].src = Qback[ON].src
		}
	}
	
	alert(FeedBack)
}

function isCharIn(theString,theChar) 
{	
	for (i = 0; i < theString.length; i++) 
	{
		if (theString.charAt(i) == theChar)
			return true
	}
	return false
}

function ResetGraphic(q,imgName) 
{	
	ItemCount = q.elements.length
	if (q.elements[0].type == "radio") 
	{		
		for (i = 0; i < ItemCount; i++) 
		{
				document ["C" + i].src = Qback[OFF].src
		}
	}
	else
	{
		for (i = 0; i < ItemCount-2; i++) 
		{
			document [q.elements[i].name].src = Qback[OFF].src
		}
		document [imgName].src = eval(imgName + "[NORMAL]" + ".src")
	}
}

function GoToSection(targetPg)
{
	opener.location = targetPg
	self.close()
}