// Define exception/error codes
var _NoError = 0;
var _GeneralException = 101; 
var _InvalidArgumentError = 201;
var _NotInitialized = 301;
var _NotImplementedError = 401;

var rootPath = "http://www.apluslearn.com/"

var apiHandle = null;
var _Debug = false;
var soundFlag = true;
var formSubmitted = false;
var soundico = "/adv/images/pb/toolbartextnew_02.gif";
var nosoundico = "/adv/images/pb/toolbartextnewOff_02.gif";
var pbsoundico = "/adv/images/pb/snd_on.gif";
var pbnosoundico = "/adv/images/pb/snd_off.gif";
var ver4 = true;
var NS4 = null;
var contextrelpath = "/adv"
var feedBackText = "Please enter your feedback. If you wish to be contacted about your feedback, enter your e-mail address and we will respond as soon as possible."
var feedBackFailed = "You must enter your feedback before you can continue."
var feedBackSuccess = "Thank you for your feedback."
var developmentSite = false;


var detect;
var OS = null;
var browser = null;
var version = null;
var total = null;
var thestring = null;
var mouseClicked = false;
var mouseClickedTime = 0;

window.onerror = errorHandler;

function getStyle(el,styleProp)
{
	try
	{
		var x = window.parent.ContentFrame.document.getElementById(el);
		if (window.parent.ContentFrame.document.defaultView)
			var y = window.parent.ContentFrame.document.defaultView.getComputedStyle(x,null).getPropertyValue(styleProp);
		else if (x.currentStyle)
			var y = eval('x.currentStyle.' + styleProp);
		return y;
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.getStyle()");
        }
}

function enableLogin()
{
	try
	{
		setAppletLoaded(true) ;
		window.parent.ContentFrame.beginBrowserTesting() ;
	}
	catch (e)
	{
		//errorHandler(e.message, "" ,"" , e.name, "alsutils.enableLogin()");
		window.setTimeout( "enableLogin()", 500 ) ;
	}
}

function setAppletLoaded(bool)
{
	try
	{
		if(window.parent.LMSFrame.appletLoaded != null)
			window.parent.LMSFrame.appletLoaded = bool
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.setAppletLoaded()");
        }
}

function launchStudyGuide()
{
	try
	{
		if(checkMouseClicked())
			return;				
		var done = false;
		if(window.parent.ContentFrame.document.ebForm.navbar != null)
		{
			window.parent.ContentFrame.document.ebForm.navbar.value = "showStudyGuide"
			window.parent.ContentFrame.document.ebForm.soundFlag.value = soundFlag
		}else
		{
			done = true;
			goNavbar('CommServlet?navbar=showStudyGuide&soundFlag=' + soundFlag + "&customerName=" + getCustomer())
		}

		if(window.parent.ContentFrame.document.ebForm.ebAnswer != null)
		{
			if(window.parent.ContentFrame.document.ebForm.ebAnswer.value == "" || window.parent.ContentFrame.document.ebForm.ebAnswer.disabled)
				window.parent.ContentFrame.document.ebForm.navbar2.value = ""
		}
		if(!done)
		{
			initMouseClicked()
			window.parent.ContentFrame.document.ebForm.submit();
		}
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.launchStudyGuide()");
        }
}

function NavPrevious()
{
	try
	{
		if(checkMouseClicked())
			return;		
		var done = false;
		if(window.parent.ContentFrame.document.ebForm.navbar != null)
		{
			window.parent.ContentFrame.document.ebForm.navbar.value = "previousPage"
			window.parent.ContentFrame.document.ebForm.soundFlag.value = soundFlag
		}else
		{
			done = true;
			goNavbar('CommServlet?navbar=previousPage&soundFlag=' + soundFlag + "&customerName=" + getCustomer())
		}

		if(window.parent.ContentFrame.document.ebForm.ebAnswer != null)
		{
			if(window.parent.ContentFrame.document.ebForm.ebAnswer.value == "" || window.parent.ContentFrame.document.ebForm.ebAnswer.disabled)
				window.parent.ContentFrame.document.ebForm.navbar2.value = ""
		}
		if(!done)
		{
			initMouseClicked()
			window.parent.ContentFrame.document.ebForm.submit();
		}
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.NavPrevious()");
        }
}

function NavNext()
{
	try
	{
		if(checkMouseClicked())
			return;		
		var done = false;
		if(window.parent.ContentFrame.document.ebForm.navbar != null)
		{
			window.parent.ContentFrame.document.ebForm.navbar.value = "nextPage"
			window.parent.ContentFrame.document.ebForm.soundFlag.value = soundFlag
		}else
		{
			done = true;
			goNavbar('CommServlet?navbar=nextPage&soundFlag=' + soundFlag + "&customerName=" + getCustomer())
		}

		if(window.parent.ContentFrame.document.ebForm.ebAnswer != null)
		{
			if(window.parent.ContentFrame.document.ebForm.ebAnswer.value == "" || window.parent.ContentFrame.document.ebForm.ebAnswer.disabled)
				window.parent.ContentFrame.document.ebForm.navbar2.value = ""
		}
		if(!done)
		{
			initMouseClicked()		
			window.parent.ContentFrame.document.ebForm.submit();
		}
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.NavNext()");
        }
}

function NavNextSkill()
{
	try
	{
		if(checkMouseClicked())
			return;				
		var done = false;
		if(window.parent.ContentFrame.document.ebForm.navbar != null)
		{
			window.parent.ContentFrame.document.ebForm.navbar.value = "nextPage"
			window.parent.ContentFrame.document.ebForm.soundFlag.value = soundFlag
			window.parent.ContentFrame.document.ebForm.gotonextskill.value = "true"
		}else
		{
			done = true;
			goNavbar('CommServlet?navbar=nextPage&soundFlag=' + soundFlag + "&customerName=" + getCustomer() + "&gotonextskill=true")
		}

		if(window.parent.ContentFrame.document.ebForm.ebAnswer != null)
		{
			if(window.parent.ContentFrame.document.ebForm.ebAnswer.value == "" || window.parent.ContentFrame.document.ebForm.ebAnswer.disabled)
				window.parent.ContentFrame.document.ebForm.navbar2.value = ""
		}
		if(!done)
		{
			initMouseClicked()		
			window.parent.ContentFrame.document.ebForm.submit();	
		}
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.NavNextSkill()");
        }
}

function NavStop()
{
	try
	{
		if(checkMouseClicked())
			return;		
		var done = false;
		if(window.parent.ContentFrame.document.ebForm.navbar != null)
		{
			if(window.parent.ContentFrame.adminessay)
				window.parent.ContentFrame.document.ebForm.navbar.value = "stopAdminEssay"
			else
				window.parent.ContentFrame.document.ebForm.navbar.value = "stop"
			window.parent.ContentFrame.document.ebForm.soundFlag.value = soundFlag
		}else
		{
			done = true;
			goNavbar('CommServlet?navbar=stop&soundFlag=' + soundFlag + "&customerName=" + getCustomer())
		}

		if(window.parent.ContentFrame.document.ebForm.ebAnswer != null)
		{
			if(window.parent.ContentFrame.document.ebForm.ebAnswer.value == "" || window.parent.ContentFrame.document.ebForm.ebAnswer.disabled)
				window.parent.ContentFrame.document.ebForm.navbar2.value = ""
		}
		if(!done)
		{
			initMouseClicked()
			window.parent.ContentFrame.document.ebForm.submit();	
		}
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.NavStop()");
        }
}

function NavFirstPage()
{
	try
	{
		if(checkMouseClicked())
			return;		
		if(window.parent.ContentFrame.document.ebForm.navbar != null)
		{
			window.parent.ContentFrame.document.ebForm.navbar.value = "firstPage"
			window.parent.ContentFrame.document.ebForm.soundFlag.value = soundFlag
		}
		if(window.parent.ContentFrame.document.ebForm.ebAnswer != null)
		{
			if(window.parent.ContentFrame.document.ebForm.ebAnswer.value == "" || document.ebForm.ebAnswer.disabled)
				window.parent.ContentFrame.document.ebForm.navbar2.value = ""
		}
		initMouseClicked()		
		window.parent.ContentFrame.document.ebForm.submit();
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.NavFirstPage()");
        }
}

function NavLastPage()
{
	try
	{
		if(checkMouseClicked())
			return;
		if(window.parent.ContentFrame.document.ebForm.navbar != null)
		{
			window.parent.ContentFrame.document.ebForm.navbar.value = "lastPage"
			window.parent.ContentFrame.document.ebForm.soundFlag.value = soundFlag
		}
		if(window.parent.ContentFrame.document.ebForm.ebAnswer != null)
		{
			if(window.parent.ContentFrame.document.ebForm.ebAnswer.value == "" || window.parent.ContentFrame.document.ebForm.ebAnswer.disabled)
				window.parent.ContentFrame.document.ebForm.navbar2.value = ""
		}
		initMouseClicked()
		window.parent.ContentFrame.document.ebForm.submit();
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.NavLastPage()");
        }
}

function NavQuitModule(nUid)
{
	try
	{
		if(checkMouseClicked())
			return;
		var done = false;
		if(window.parent.ContentFrame.document.ebForm != null && window.parent.ContentFrame.document.ebForm.navbar != null)
		{
			window.parent.ContentFrame.document.ebForm.navbar.value = "quitModule"
			window.parent.ContentFrame.document.ebForm.soundFlag.value = soundFlag
		}else
		{
			done = true;
			goNavbar('CommServlet?navbar=quitModule&uid=' + nUid + '&soundFlag=' + soundFlag + "&customerName=" + getCustomer())
		}

		if(window.parent.ContentFrame.document.ebForm != null && window.parent.ContentFrame.document.ebForm.ebAnswer != null)
		{
			if(window.parent.ContentFrame.document.ebForm.ebAnswer.value == "" || window.parent.ContentFrame.document.ebForm.ebAnswer.disabled)
				window.parent.ContentFrame.document.ebForm.navbar2.value = ""
		}
		if(window.parent.ContentFrame.document.ebForm != null && !done)
		{
			initMouseClicked()
			window.parent.ContentFrame.document.ebForm.submit();
		}
	}catch(e)
	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.NavQuitModule()");
	}
}

function getBrowserNameVersion()   
{   
        try
	{
		retVal = navigator.appName + " " + navigator.appVersion;     
		return retVal;
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.getBrowserNameVersion()");
        }
}

function getUserAgent()
{

	try
	{
		detect = navigator.userAgent.toLowerCase();

		if (checkIt('konqueror', detect))
		{
			browser = "Konqueror";
			OS = "Linux";
		}
		else if (checkIt('opera', detect)) browser = "Opera"
		else if (checkIt('webtv', detect)) browser = "WebTV";
		else if (checkIt('icab', detect)) browser = "iCab"
		else if (checkIt('msie', detect)) browser = "Internet Explorer"
		else if (!checkIt('compatible', detect))
		{
			browser = "Netscape Navigator"
			version = detect.charAt(8);
		}
		else browser = "An unknown browser";

		if (!version) version = detect.charAt(place + thestring.length);

		if (!OS)
		{
			if (checkIt('linux', detect) != 0)
			{
				OS = "Linux";
			}
			else if (checkIt('x11', detect) != 0)
			{
				OS = "Unix";
			}
			else if (checkIt('mac', detect) != 0)
			{
				OS = "Mac";
			}
			else if (checkIt('win', detect) != 0)
			{
				//alert("found windows");
				OS = "Windows";
			}
			else 
			{
				OS = "an unknown operating system";
			}
			return OS;
		}
		return OS;
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.getUserAgent()");
        }

}

function checkIt(string, detect)
{
	try
	{
		place = detect.indexOf(string) + 1;
		// ("place = " + place + "\nstring = " + string);
		thestring = string;
		return place;
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.checkIt()");
        }
}

function getSpecificBrowserName()
{
	result = " ";
	if( navigator.userAgent.indexOf( "Galeon" ) != -1 ) result = "Galeon";
	else if( navigator.appName.indexOf( "Mozilla" ) != -1 ) result = "Mozilla";
	else if( navigator.appName.indexOf( "Microsoft" ) != -1 ) result = "Internet Explorer";
	else if( navigator.userAgent.indexOf( "Gecko" ) != -1 ) result = "Mozilla";
	else if( navigator.userAgent.indexOf( "Konqueror" ) != -1 ) result = "Konqueror";
	else if( navigator.userAgent.indexOf( "Opera" ) != -1 ) result = "Opera";
	else result = "Unknown";
	return result;
}

function getBrowserName()
{
	try
	{
		return navigator.appName
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.getBrowserName()");
        }
}

function getBrowserVersion()
{
	try
	{
		return parseInt(navigator.appVersion)
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.getBrowserVersion()");
        }
}

function launchHelp(sHref)
{
	try
	{
		windowprops = "top=50,left=100,scrollbars=yes,status=0,resizable=yes,menubar=0,width=" + (screen.width * .8) + ",height=" + (screen.height * .8);
		helpWin = window.open(sHref, "helpPage", windowprops);
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.launchHelp()");
        }
}

function checkFonts()
{
	try
	{
		var hasFonts = true;	

		ALSFonts = ["AEC Calculus","AEC Chemistry","AEC Language","AEC Math Regular","AEC Math Regular2","AEC Math Regular3","AEC Math30","AEC Regular"];
		for(i=0;i<ALSFonts.length;i++) 
		{
		if(!checkIfInstalled(ALSFonts[i],1))
		 hasFonts = false;

		}

		if(!hasFonts)
		{
		answer = confirm("You are missing some fonts. Do you want to install these fonts?")
		if (answer)
		  messageWin=window.open("/adv/download.html", "downloadwin","toolbar=0,location=0,status=0,menubar=0,scrollbars=0 resizable=0,width=400,height=400");
		else
		  return;

		}
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.checkFonts()");
        }
}

function logoff()
{
	try
	{
		var sConfirm = true;
		custName = getCustomer();
		if(logoff.arguments.length > 0)
			sConfirm = logoff.arguments[0];
		if(sConfirm)
		{
			if(confirm("Click 'OK' to log off, or 'Cancel' returns you to the program."))
				logout(custName, false)
		}else
			logout(custName, false)

        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.logoff()");
        }
}	


function checkIfInstalled(fname,loaded)
{
   	try
	{
		   IE4 = document.all;
		   NS4 = document.layers;
		   ver4 = (IE4 || NS4);
		   if(!ver4) return false;

		   isMac = (navigator.appVersion.indexOf("Mac") != -1);
		   isWin = (navigator.appVersion.indexOf("Win") != -1);

		   arNotNavWin = ["Webdings","Marlett"];

		   if(NS4 && isWin)
		   {
		      for(k=0;k<arNotNavWin.length;k++) 
		      {
			 if (fname == arNotNavWin[k]) return false;
		      }
		   }

		   teststr = "font&nbsp;existence&nbsp;test"
		   if(IE4) 
		   {
		      if(!window.fntLyr0) 
		      {
			 lyrstr0 = "<SPAN ID=fntLyr0 STYLE='position:absolute;visibility:hidden;width:30;font:12pt Courier'>"+ teststr +"</SPAN>";
			 lyrstr1 = "<SPAN ID=fntLyr1 STYLE='position:absolute;visibility:hidden;width:30;font-size:12pt'>"+ teststr +"</SPAN>";
			 if (loaded)
			 {
			    window.parent.ContentFrame.document.body.insertAdjacentHTML("BeforeEnd",lyrstr0);
			    window.parent.ContentFrame.document.body.insertAdjacentHTML("BeforeEnd",lyrstr1);
			 }
			 else
			 {
			    document.write(lyrstr0);
			    document.write(lyrstr1);
			 }
		      }
		      fntLyr1.style.fontFamily = fname +",Courier";
		      width0 = (isMac) ? fntLyr0.offsetWidth : fntLyr0.scrollWidth;
		      width1 = (isMac) ? fntLyr1.offsetWidth : fntLyr1.scrollWidth;
		   }
		   if(NS4)
		   {
		      lyrstr1 = "<FONT FACE='"+ fname +",Courier' POINT-SIZE=12>"+ teststr +"</FONT>";
		      if(!window.fntLyr0) 
		      {
			 lyrstr0 = "<FONT FACE='Courier' POINT-SIZE=12>"+ teststr +"</FONT>";
			 if (loaded) 
			 {
			    fntLyr0 = new Layer(400);
			    fntLyr0.document.write(lyrstr0);
			    fntLyr0.document.close();
			    fntLyr1 = new Layer(400);
			    fntLyr1.document.write(lyrstr1);
			    fntLyr1.document.close();
			 }
			 else 
			 {
			    document.write("<LAYER VISIBILITY=HIDE>"+ lyrstr0 +"</LAYER>");
			    fntLyr0 = document.layers[document.layers.length-1];
			    document.write("<LAYER VISIBILITY=HIDE>"+ lyrstr1 +"</LAYER>");
			    fntLyr1 = document.layers[document.layers.length-1];
			 }
		      }
		      else 
		      {
			 if (loaded) 
			 {
			    fntLyr1.document.write(lyrstr1);
			    fntLyr1.document.close();
			 }
			 else 
			 {
			    document.write("<LAYER VISIBILITY=HIDE>"+ lyrstr1 +"</LAYER>");
			    fntLyr1 = document.layers[document.layers.length-1];
			 }
		      }
		      width0 = fntLyr0.clip.width;
		      width1 = fntLyr1.clip.width;
		   }
		   return (width0 != width1);
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.checkIfInstalled()");
        }
}

function getCustomer()
{
	try
	{
		var indexstart;
		var indexend;
		var query;
		var customerValue = "_default";

		query = parent.window.location.search;

		if(query.indexOf("customer") != -1)
		{
			indexstart = query.indexOf("customer")
			indexstart = query.indexOf("=", indexstart);
			indexend = query.indexOf("&", indexstart)
			if(indexend == -1)
			   customerValue  = query.substring(indexstart + 1);
			else
			   customerValue  = query.substring(indexstart + 1, indexend);
		}
		//alert("returning customerValue: " + customerValue);
		return customerValue;
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.getCustomer()");
        }
}

function getSoundFlag()
{
	return soundFlag;
}

function getParamCurrentWindow(paramName)
{
      	try
	{
		var indexstart;
		var indexend;
		var query;
		var paramValue = "_default";
		try
		{
			query = window.parent.ContentFrame.location.search;
		}catch(e)
		{
			query = window.location.search;
		}
		if(query.indexOf(paramName) != -1)
		{
			indexstart = query.indexOf(paramName)
			indexstart = query.indexOf("=", indexstart)
			indexend   = query.indexOf("&", indexstart)
			if(indexend != -1)
				paramValue = query.substring(indexstart + 1, indexend)
			else
				paramValue = query.substring(indexstart + 1);

			//alert("returning paramValue: " + paramValue);
		}
		return paramValue;
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.getParam()");
        }
}

function getParam(paramName)
{
      	try
	{
		var indexstart;
		var indexend;
		var query;
		var paramValue = "_default";
		query = parent.window.location.search;
		if(query.indexOf(paramName) != -1)
		{
			indexstart = query.indexOf(paramName)
			indexstart = query.indexOf("=", indexstart)
			indexend   = query.indexOf("&", indexstart)
			if(indexend != -1)
				paramValue = query.substring(indexstart + 1, indexend)
			else
				paramValue = query.substring(indexstart + 1);

			//alert("returning paramValue: " + paramValue);
		}
		return paramValue;
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.getParam()");
        }
}

/******************************************************************************************
**
** Section 	HunkyFunky
** Inputs:	Many
** Return:	Many
**
** Description:
** This stuff is used by the content engine for reasons unknown
** 
**
** Side Effects: Usually makes the content work
**
******************************************************************************************/
var retVal = true;
var tid;
var ep;
var fn1;
var timeoutVal = 200;



function goNavbar(path)
{
	try
	{
	//	alert(path);
		window.parent.ContentFrame.document.location.href=path;
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.goNavbar()");
        }
}




function enlargePicture(fn, wd, ht)
{
	try
	{
		  if(wd > screen.width)
		    wd = screen.width - 40;

		  if(ht > screen.height)
		    ht = screen.height - 40

		  options = "menubar=no, toolbar=no, dependent=yes, alwaysRaised=yes, resizable=yes, scrollbars=yes,width=" + wd + ",height=" + ht;

		  fn1 = fn;
		  ep = window.open("/adv/hf/ep.html", "Picture", options);
		  tid = setTimeout("setImageName()", timeoutVal);
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.enlargePicture()");
        }
}

function showCalc(theURL)
{
	try
	{
		windowprops = "\"top=0,left=0,resizable=no, dependent=yes, alwaysRaised=yes, width=425, height=330\"";
		window.open(theURL, "calculator", windowprops);
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.showCalc()");
        }

}

function launchRuler(x, y)
{
   	try
	{
   		alert("The ruler hasn't been implemented yet.");
        }catch (e)
        {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.launchRuler()");
        }
}

function setImageName()
{
       try
       {
	   clearTimeout(tid);
	   if(ep != null && ep.document.images != null && ep.document.images.length > 0)
	   {
	      fn1 = fn1.replace("&#39;", "'");
	      ep.document.images[0].src = fn1;
	   }else
	      tid = setTimeout("setImageName()", timeoutVal);
       }catch (e)
       {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.setImageName()");
       }
}

function enterKeySubmit(evt)
{
      try
      {
	  var keyCode;  	
	  var safari = navigator.userAgent.indexOf('Safari')>0;
	  retVal = true;
	  if(document.all)
	    keyCode = window.ContentFrame.event.keyCode;
	  else if(document.layers)
	    keyCode = evt.which;
	  else
	    keyCode = evt.keyCode;
	  if(keyCode == 10 || keyCode == 13 || (safari && keyCode == 3))
	  {
		    retVal = false;
		if(formSubmitted == false)
		{
		    formSubmitted = true;
		    window.parent.ContentFrame.document.ebForm.navbar.value = window.parent.ContentFrame.document.ebForm.navbar2.value;
		    window.parent.ContentFrame.document.ebForm.navbar2.value = ""
		    window.parent.ContentFrame.document.ebForm.soundFlag.value = soundFlag
		    if(window.parent.ContentFrame.document.ebForm.navbar.value != "")
		    {
			disableSound();
			if(safari)
				tid = setTimeout("alsutils_SubmitForm()", 100);
			else
				alsutils_SubmitForm()		
		    }
		}
		    return retVal;
	 }
	 return retVal;
       }catch (e)
       {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.enterKeySubmit()");
       }
}

function alsutils_SubmitForm()
{
	window.parent.ContentFrame.document.ebForm.submit();
}

function catchKeyDown(evt)
{
	try
	{
		  var keyCode;  	
		  retVal = true;
		  if(document.all)
		  {
		    if(window.ContentFrame.event.ctrlKey && window.ContentFrame.event.shiftKey && window.ContentFrame.event.keyCode == 70)
			NavFirstPage();
		    else if(window.ContentFrame.event.ctrlKey && window.ContentFrame.event.shiftKey && window.ContentFrame.event.keyCode == 76)
			NavLastPage();
		  }else if(document.layers)
		  {
		    if(evt.modifiers & Event.CONTROL_MASK && evt.modifiers & Event.SHIFT_MASK && evt.which == 70)
			NavFirstPage();
		    else if(evt.modifiers & Event.CONTROL_MASK && evt.modifiers & Event.SHIFT_MASK && evt.which == 76)
			NavLastPage();
		  }else
		  {
		    if(evt.ctrlKey && evt.shiftKey && evt.keyCode == 70)
			NavFirstPage();
		    else if(evt.ctrlKey && evt.shiftKey && evt.keyCode == 76)
			NavLastPage();
		  }
		  return retVal;
       }catch (e)
       {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.catchKeyDown()");
       }
    
}

function saveData()
{
       try
       {
		//disableRight();
		LMSFinish();
       }catch (e)
       {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.saveData()");
       }
}

function exitCurric()
{
       try
       {
		//disableRight();
		LMSFinish();
       }catch (e)
       {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.exitCurric()");
       }
}

function initialize()
{
       try
       {
		initMouseClicked()
		formSubmitted = false;
		//disableRight();
		LMSInitialize();
       }catch (e)
       {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.initialize()");
       }
}


/******************************************************************************************
**
** Function disableRight()
** Inputs:	None
** Return:	None
**
** Description:
** Determines disables the right click. If the user is using IE it displays an alert
** 
**
** Side Effects: Displays an alert window with the appropriate information
**
******************************************************************************************/
function disableRight()
{
	try
	{
		window.parent.ContentFrame.document.onmousedown=right;
		window.parent.ContentFrame.document.onmouseup=right;
		if (document.layers)
			window.captureEvents(Event.MOUSEDOWN);
		if (document.layers)
			window.captureEvents(Event.MOUSEUP);
		window.onmousedown=right;
		window.onmouseup=right;
       }catch (e)
       {
	 	errorHandler(e.message, "" ,"" , e.name, "alsutils.disableRight()");
       }
}


function right(e)
{
    try
    {
	    if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2))
		return false;
	    else if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2 || event.button == 3))
	    {
		alert("Right click is unavailable.");
		return false;
	    }
	    return true;
     }catch (e)
     {
	errorHandler(e.message, "" ,"" , e.name, "alsutils.right()");
     }
}

function setInputValue(inputField, newValue)
{
  	try
	{
        	inputField.value = newValue;
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.setInputValue()");
     	}
}

function swapImage(imageName, newPic)
{
  	try
	{
  		imageName.src = newPic;
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.swapImage()");
     	}
}

function initSound(flag)
{
	try
	{
	//	alert('initSound');
		soundFlag = flag;
		if(document.layers != null)
		{
			if(window.parent.ContentFrame.document.images['soundimg'] != null)
				initSoundImg(window.parent.ContentFrame.document.images['soundimg'])
		}else
		{
			if(window.parent.ContentFrame.document.soundimg != null)
				initSoundImg(window.parent.ContentFrame.document.soundimg)
		}
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.initSound()");
     	}
}	

function initSound2(flag)
{
	try
	{
	//	alert('initSound');
		soundFlag = flag;
		soundico = "/adv/images/pb/toolbartextnew_02.gif";
		if(document.layers != null)
				initSoundImg2(window.parent.ContentFrame.document.images['soundimg'])
		else
				initSoundImg2(window.parent.ContentFrame.document.soundimg)
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.initSound2()");
     	}
}	

function initSoundImg(imageName)
{
  	try
	{
		if(imageName != null)
		{
			if(!soundFlag)
				swapImage(imageName, pbnosoundico);
			else
				swapImage(imageName, pbsoundico);
		}
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.initSoundImg()");
     	}
}

function initSoundImg2(imageName)
{
	try
	{
		if(imageName != null)
		{
			if(!soundFlag)
				swapImage(imageName, nosoundico);
			else
				swapImage(imageName, soundico);
		}
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.initSoundImg2()");
     	}
}

function toggleSound2(imageName)
{
	try
	{
		  if(soundFlag)
		  {
		    swapImage(imageName, nosoundico);
		    soundFlag = false
		  }
		  else
		  {
		    swapImage(imageName, soundico);
		    soundFlag = true
		  }
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.toggleSound2()");
     	}
}

function toggleSound(inputField, imageName)
{
       try
       {
		  if(soundFlag)
		  {
		    swapImage(imageName, nosoundico);
		    soundFlag = false
		  }
		  else
		  {
		    swapImage(imageName, soundico);
		    soundFlag = true
		  }

		  setInputValue(inputField, soundFlag);
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.toggleSound()");
     	}

}

function toggleSound3(inputField, imageName)
{
	try
	{
	  if(soundFlag)
	  {
	    swapImage(imageName,pbsoundico);
	    soundFlag = false
	  }
	  else
	  {
	    swapImage(imageName, pbnosoundico);
	    soundFlag = true
	  }

	  setInputValue(inputField, soundFlag);
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.toggleSound3()");
     	}

}



function getFullPath(path)
{
	try
	{
  		return rootPath + path;
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.getFullPath()");
     	}
}

/******************************************************************************************
**
** Function ErrorHandler()
** Inputs:	None
** Return:	The current value of the LMS Error Code
**
** Description:
** Determines if an error was encountered by the previous API call
** and if so, displays a message to the user.  If the error code
** has associated text it is displayed.  
**
** Side Effects: Displays an alert window with the appropriate error information
**
******************************************************************************************/
function ErrorHandler() 
{
	try
	{
		   var api;
		   var osVersion = getUserAgent();

		   if(osVersion == "Mac" || !(document.all))
		   {
			api = window.parent.macapiframe;
		   }

		   else if(osVersion == "Windows")
		   {
			api = getAPIHandle(); //parent.LMSFrame.document.APIApplet;
			//alert("the REAL api = " + api);
		   }

		   else
			api = getAPIHandle();
			//api = window.parent.macapiframe;

		   if (api == null)
		   {
		      alert("Unable to locate the LMS's API Implementation.\nCannot determine LMS error code.");
		      return;
		   }

		   // check for errors caused by or from the LMS
		   var errCode = api.LMSGetLastError().toString();
		   if (errCode != _NoError)
		   {
		      // an error was encountered so display the error description
		      var errDescription = api.LMSGetErrorString(errCode);

		      if (_Debug == true)
		      {
			 errDescription += "\n";
			 errDescription += api.LMSGetDiagnostic(null);
			 // by passing null to LMSGetDiagnostic, we get any available diagnostics
			 // on the previous error.
		      }

		      alert(errDescription);
		   }

		   return errCode;
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.ErrorHandler()");
     	}
}

function destroyAPI()
{
	try
	{
		   //get API handle
		   var api;
		   var osVersion = getUserAgent();

		   if(osVersion == "Mac" || !(document.all))
		   {
			api = window.parent.macapiframe;
		   }

		   else if(osVersion == "Windows")
		   {
			api = getAPIHandle(); //parent.LMSFrame.document.APIApplet;
			//alert("the REAL api = " + api);
		   }

		   else
			api = getAPIHandle();
			//api = window.parent.macapiframe;

		   if (api == null)
		   {
		      alert("Unable to locate the LMS's API Implementation.\nCannot determine LMS error code.");
		      return;
		   }

		 //destroy api
		   api.destroy();
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.destroyAPI()");
     	}

}

/******************************************************************************************
**
** Function: LMSInitialize()
** Inputs:	None
** Return:	CMIBoolean true if the initialization was successful, or
**			CMIBoolean false if the initialization failed.
**
** Description:
** Initialize communication with LMS by calling the LMSInitialize 
** function which will be implemented by the LMS, if the LMS is 
** compliant with the SCORM.
**
******************************************************************************************/
function LMSInitialize() 
{   
	try
	{
	     if(LMSIsInitialized())
	      	return true;

	     var api;
	     var osVersion = getUserAgent();

	     if(osVersion == "Mac" || !(document.all))
	     {
		 api = window.parent.macapiframe;
	     }
	     else if(osVersion == "Windows")
	     {
		 api = getAPIHandle(); //parent.LMSFrame.document.APIApplet;
	     }
	     else
	     {
		 //uncomment this line for strict SCORM compliance
		 api = getAPIHandle();
	     }

	     if (api == null && (osVersion == "Mac" || !(document.all)))
	     	return true;	      	
	     else if(api == null)
	     {
	     	//alert("Unable to locate the LMS's API Implementation.\nLMSInitialize was not successful.");
	      	return false;
	     }

	     // call the LMSInitialize function that should be implemented by the API
	     var emptyString = new String("");
	     var initResult = api.LMSInitialize(emptyString);

	     if (initResult.toString() != "1")
	     {
	     	 // LMSInitialize did not complete successfully.

	      	// Note: An assumption is made that if LMSInitialize returns a non-true
	      	//		 value, then and only then, an error was raised.

	      	// Note: Each function could define its own error handler, but we'll 
	      	// just implement a generic one in this example.
	      	//var err = ErrorHandler();
	     }

	     return initResult;
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.LMSInitialize()");
     	}
   
} 

/******************************************************************************************
**
** Function LMSFinish()
** Inputs:	None
** Return:	None
**
** Description:
** Close communication with LMS by calling the LMSFinish 
** function which will be implemented by the LMS, if the LMS is 
** compliant with the SCORM.
**
******************************************************************************************/
function LMSFinish()
{
	try
	{
	   //maximizeFrame();
	   var api;
	   var osVersion = getUserAgent();

	  if(osVersion == "Mac" || !(document.all))
	      api = window.parent.macapiframe;
	  else if(osVersion == "Windows")
	      api = getAPIHandle(); //parent.LMSFrame.document.APIApplet;
	  else
	      api = getAPIHandle();
	      //api = window.parent.macapiframe;
	   if (api == null)
	   {
	      alert("Unable to locate the LMS's API Implementation.\nLMSFinish was not successful.");
	   }
	   else
	   {
	      // call the LMSInitialize function that should be implemented by the API
	      var emptyString = new String("");
	      api.LMSFinish(emptyString);
	      var err = ErrorHandler();
	   }   

	   return;
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.LMSFinish()");
     	}
   
} 

function LMSIsInitialized()
{
	try
	{
		var osVersion = getUserAgent();
		if(osVersion == "Mac" || !(document.all))
		{
			if(window.parent.macapiframe != null && window.parent.macapiframe.LMSInitialized == "1")
			   return true;
			else
			   return false;
		}

		if(osVersion == "Mac" || !(document.all))
		{
		    api = window.parent.macapiframe;
		    //alert("Using mac api: " + api);
		}
		else if(osVersion == "Windows")
		{
		    api = getAPIHandle(); //parent.LMSFrame.document.APIApplet;
		    //alert("Using API Applet: " + api);
		}
		else
		 api = getAPIHandle();
		 //api = window.parent.macapiframe;

		if (api == null)
		{
		      //alert("Unable to locate the LMS's API Implementation.\nLMSIsInitialized was not successful.");
		      return false;
		}
		// Determines if the API (LMS) is in an initialized state.
		// There is no direct method for determining if the LMS API is initialized
		// for example an LMSIsInitialized function defined on the API so we'll try
		// a simple LMSGetValue and trap for the LMS Not Initialized Error
		var value = api.LMSGetValue("cmi.core.student_name");
		var errCode = api.LMSGetLastError().toString();
		if (errCode == 301)
		{
			return false;
		}
		else
		{
			return true;
		}
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.LMSIsInitialized()");
     	}
}

function LMSGetUrlParams(Object)
{
	try
	{
		var fragString = window.parent.ContentFrame.document.location.search;
		//alert("URL Params: " + fragString);
		//We had problems returning the fragString back to the api so we just call the api
		//and pass in the fragstring.
		API.LMSSetUrlParams(fragString);
     	}catch (e)
     	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.LMSGetUrlParams()");
     	}
}


function setBackParams(params)
{

     try
     {
	     var api;
	     var osVersion = getUserAgent();

	     if(osVersion == "Mac" || !(document.all))
	     {
		 api = window.parent.macapiframe;
		 //alert("Using MAC api: " + api);
	     }
	     else if(osVersion == "Windows")
	     {
		 api = getAPIHandle(); //parent.LMSFrame.document.APIApplet;
		 //alert("Using API Applet: " + api);
	     }
	     else
		api = getAPIHandle();
		//api = window.parent.macapiframe;

	    api.setSelectAsgParams(params);
     }catch (e)
     {
		errorHandler(e.message, "" ,"" , e.name, "alsutils.setBackParams()");
     }
}

function getBackParams()
{
	
     try
     {
	     var api;
	     var osVersion = getUserAgent();

	     if(osVersion == "Mac" || !(document.all))
	     {
		 api = window.parent.macapiframe;
		 //alert("Using mac api: " + api);
	     }
	     else if(osVersion == "Windows")
	     {
		 api = getAPIHandle(); //parent.LMSFrame.document.APIApplet;
		 //alert("Using API Applet: " + api);
	     }
	     else
		api = getAPIHandle();
		//api = window.parent.macapiframe;

	     var temp = api.getBackParams();
	     return temp;
     }catch (e)
     {
		errorHandler(e.message, "" ,"" , e.name, "alsutils.getBackParams()");
     }
}

function changeAUContent()
{
	try
	{
		  var urlClip = window.parent.ContentFrame.document.location.search;
		  // This is the launch line for all AUs...
		  // The LMSCMI servlet figures out which AU (in sequence) to launch and
		  // serves it up into the LMS's content frame or child window - depending
		  // on the method that was used to launch the content in the first place.

		  var auWinType = typeof(window.parent.ContentFrame.auWindow);

		  if (auWinType != "undefined" && auWinType != "unknown")
		  {
			if (window.parent.ContentFrame.auWindow != null)
			{
				// there is a child content window so display the au there.
				window.parent.ContentFrame.auWindow.document.location.href = contextrelpath + "/servlet/lmslesson" + urlClip;
			}
			else
			{
				window.parent.ContentFrame.document.location.href = contextrelpath + "/servlet/lmslesson" + urlClip;
			}
		  }
		  else
		  {
			window.parent.ContentFrame.document.location.href = contextrelpath + "/servlet/lmslesson" + urlClip;
			//  auWindow is undefined which means that the content frame
			//  does not contain the lesson menu at this time.
		  }
    	}catch (e)
    	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.changeAUContent()");
    	}
}

function closeAUContent()
{
       try
       {
	       if(OS == "Mac" || !(document.all))
	       {
		   api = window.parent.macapiframe;
		   //alert("Using mac api: " + api);
	       }
	       else if(OS == "Windows")
	       {
		   api = getAPIHandle(); //parent.LMSFrame.document.APIApplet;
		   //alert("Using API Applet: " + api);
	       }
	       else
		 api = getAPIHandle();
		 //api = window.parent.macapiframe;

		  api.launchSelectAsg();
		  var urlClip = window.parent.ContentFrame.document.location.search;
		 //window.parent.ContentFrame.document.location.href = contextrelpath + "/servlet/lmscourse" + urlClip;

		  var auWinType = typeof(window.parent.ContentFrame.auWindow);

		  if (auWinType != "undefined" && auWinType != "unknown")
		  {
		    if (window.parent.ContentFrame.auWindow != null)
			{
				// there is a child content window so close it.
				window.parent.ContentFrame.auWindow.close();
				window.parent.ContentFrame.auWindow = null;
			}
		  }
		  else
		  {
			//  auWindow is undefined which means that the content frame
			//  does not contain the lesson menu so do nothing...
		  }
    	}catch (e)
    	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.closeAUContent()");
    	}
  
}

function init()
{
   try
   {
	   OS = getUserAgent();
	   //alert("OS = " + OS);
	   if(OS == "Mac" || !(document.all))
	   {
		API = window.parent.macapiframe;
	   }
	   else
	   {
		window.parent.LMSFrame.CreateApplet();
		API = getAPIHandle(); //this.document.APIApplet;
	   }
	   //disableRight();

	   //var xyz = "The handle was created successfully.";
    }catch (e)
    {
	errorHandler(e.message, "" ,"" , e.name, "alsutils.init()");
    }
}

var API = null;

function initAPI()
{
    try
    {
	    OS = getUserAgent();
	    if(OS == "Mac" || !(document.all))
	    {
		API = window.parent.macapiframe;
	    }
	    else
	    {
		API = getAPIHandle(); //LMSFrame.document.APIApplet;
	    }
	    //disableRight();
	    //API = window.APIFrame;
    }catch (e)
    {
	errorHandler(e.message, "" ,"" , e.name, "alsutils.initAPI()");
    }
}

function logout(customer, close)
{
	try
	{
		if(close == true)
		    window.close();
		window.parent.ContentFrame.document.location.href = "/adv/servlet/logout?respond=true&customer=" + customer
   	}catch (e)
	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.logout()");
	}
}

function minimizeFrame()
{
	//alert("minimizeFrame() has been deprecated.");
}
function maximizeFrame()
{	
	//alert("maximizeFrame() has been deprecated.");
}

function setStatusBarText(mesg)
{
	try
	{
		window.status = mesg;
   	}catch (e)
	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.setStatusBarText()");
	}
}

function setStatusBarALS()
{
	setStatusBarText("A+dvancer College Readiness Online");
}

function setStatusBarHelp()
{
	setStatusBarText("Help");
}

function setStatusBarNext()
{
	setStatusBarText("Next");
}

function setStatusBarPrevious()
{
	setStatusBarText("Previous");
}

function setStatusBarFeedBack()
{
	setStatusBarText("Leave Feedback");
}

function setStatusBarStop()
{
	setStatusBarText("Stop");
}

function setStatusBarLogout()
{
	setStatusBarText("Log Out");
}

function setStatusBarSoundOn()
{
	setStatusBarText("Sound ON");
}

function setStatusBarSoundOff()
{
	setStatusBarText("Sound OFF");
}

function setTextOver(ele, msg)
{
	try
	{
		if(ele != null)
			ele.innerHTML = msg
   	}catch (e)
	{
		errorHandler(e.message, "" ,"" , e.name, "alsutils.setTextOver()");
	}
}

function setSPTTextOverStudy(ele)
{
	var msg = "To complete the Study Guide, you must meet the minimum time or number of accesses requirement. " + 
		  "\"Your Performance\" shows the progress you have made toward fulfilling this requirement.";
	setTextOver(ele, msg)
}

function setSPTTextOverPractice(ele)
{
	var msg = "You must achieve the minimum score requirement to complete the Practice Test. \"Your Performance\" shows your highest Practice Test score on this lesson so far."
	setTextOver(ele, msg)
}

function setSPTTextOverMastery(ele)
{
	var msg = "You must achieve the minimum score requirement to complete the Mastery Test. \"Your Performance\" shows your highest Mastery Test score on this lesson so far."
	setTextOver(ele, msg)
}

function setSPTTextOverBlank(ele)
{
	var msg = "";
	setTextOver(ele, msg)
}

function getTextForMinimumRequired(val)
{
	return "Minimum Required:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;" + val + "%";
}

function getTextForPrestest()
{
	return "You will now take a Pretest on this lesson. You will pass the Pretest if you achieve the \"Minimum Required\" score shown below."; 
}

function getTextForPrestestMaster()
{
	return "You will now take a Pretest on this lesson. If you achieve the \"Minimum Required\" score shown below, " +
	       "you will be given credit for mastering this lesson."; 
}

function getTextForReview()
{
	return "You are now going to take a Review Test on some of the material you have already learned. " +
	       "Please relax and do the best you can!";
}

function getTextForAssessment()
{
	return "You will now take an <b>Assessment</b> Test. In order to receive your lessons, you <b>MUST</b> complete the entire test. " +
	       "Please take your time and do your best. The number of required assignments you must complete for this course will be " + 
	       "based on the results of your assessment test. You do not have to study for this test.";
}

function getTextForAdvancerAssessment()
{
	return "You will now take an Assessment Test. This test will help identify specific skills that you have mastered and those you have not. Please take your time and do your best."
}

function getTextForCourseAssessment()
{
	return "You will now take an <b>Assessment</b> Test. In order to receive your lessons, you <b>MUST</b> complete the entire test. " +
	       "Please take your time and do your best. The number of required assignments you must complete for this course will be " + 
	       "based on the results of your assessment test. You do not have to study for this test.";
}

/******************************************************************************************
**
** Function getAPIHandle()
** Inputs:	None
** Return:	value contained by APIHandle
**
** Description:
** Returns the handle to API object if it was previously set, 
** otherwise it returns null
**
******************************************************************************************/
function getAPIHandle() 
{
   try
   {
	   if (apiHandle == null)
	   {
	      apiHandle = window.parent.macapiframe; //getAPI();
	   } 

	   return apiHandle;
   }catch (e)
   {
	errorHandler(e.message, "" ,"" , e.name, "alsutils.getAPIHandle()");
   }
}


/******************************************************************************************
**
** Function findAPI(win)
** Inputs:	win - a Window Object
** Return:	If an API object is found, it is returned, otherwise null is returned.
**
** Description:
** This function looks for an object named API in the supported window hierarchy, 
** 
******************************************************************************************/
function findAPI(win) 
{

   try
   {
	   // Search the window hierarchy for an object named "API"  
	   // Look in the current window (win) and recursively look in any child frames


	   if (_Debug)
	   {
	      alert("win is: "+win.location.href);
	   }


	   if (win.API != null)
	   {
	      if (_Debug)
	      {
		 alert("found api in this window");
	      }
	      return win.API;
	   }

	   if (win.length > 0)  // does the window have frames?
	   {
	      if (_Debug)
	      {
		 alert("looking for api in windows frames");
	      }

	      for (var i=0;i<win.length;i++)
	      {

		 if (_Debug)
		 {
		    alert("looking for api in frames["+i+"]");
		 }
		 var theAPI = findAPI(win.frames[i]);
		 if (theAPI != null)
		 {
		    return theAPI;
		 }
	      }
	   }

	   if (_Debug)
	   {
	      alert("didn't find api in this window (or its children)");
	   }
	   return null;
   }catch (e)
   {
	errorHandler(e.message, "" ,"" , e.name, "alsutils.findAPI()");
   }

}


/******************************************************************************************
**
** Function getAPI()
** Inputs:	none
** Return:	If an API object is found, it is returned, otherwise null is returned.
**
** Description:
** This function looks for an object named API, first in the current window's hierarchy, 
**  and then, if necessary, in the current window's opener window hierarchy (if there is
**  an opener window).
******************************************************************************************/

function getAPI()
{

   try
   {
	   // start at the topmost window - findAPI will recurse down through
	   // all of the child frames
	   var theAPI = findAPI(this.top);
	   //var theAPI = findAPI(this);

	   if (theAPI == null)
	   {
	      // the API wasn't found in the current window's hierarchy.  If the
	      // current window has an opener (was launched by another window),
	      // check the opener's window hierarchy. 
	      if (_Debug)
	      {
		 alert("checking to see if this window has an opener");
		 alert("window.opener typeof is> "+typeof(window.opener));
	      }

	      if (typeof(this.opener) != "undefined")
	      {
		 if (_Debug)
		 {
		    alert("checking this windows opener");
		 }
		 if (this.opener != null)
		 {
		    if (_Debug)
		    {
		       alert("this windows opener is NOT null - looking there");
		    }
		    theAPI = findAPI(this.opener.top);
		 }
		 else
		 {
		    if (_Debug)
		    {
		       alert("this windows opener is null");
		    }
		 }
	      }
	   }

	   return theAPI;
   }catch (e)
   {
	errorHandler(e.message, "" ,"" , e.name, "alsutils.getAPI()");
   }
}

function errorHandler(msg, url, lno, errorname, failedfunction)
{
	var inContent = true;
	try
	{
        	window.parent.ContentFrame.setValues();
	}catch (e)
	{
		inContent = false;
	}
	var alertmsg =	"There has been an internal javascript error on this page.\nThis could have been caused by many things including, a slow connection.\n" +
			"You can go back to the previous page by right clicking your mouse and selecting 'back' from the context menu or by pressing the 'backspace' key on your keyboard.\n" +
			"Once you've gone back to the previous page you can try to access this page again.\n" +
			"There could be a problem with your browser settings, on the login screen there is a 'Check Browser Settings' link on the top of the page." + 
			"Click the link and run the tests provided.\n" + 
			"If you still cannot access this page shut down your browser and try again.\nIf you are still having problems accessing this page contact your technical support.\n" +
			"\nError: " + msg + "\nURL: " + url + "\nLine: " + lno + "\n" +
			"Error Name: " + errorname + "\nFailed in: " + failedfunction + "\n";
	if(inContent)
	{
		alertmsg = alertmsg + "\nSubject: " + window.parent.ContentFrame.subname + "\nActivity: " + window.parent.ContentFrame.actname + "\nPage: " + window.parent.ContentFrame.page +
			   "\nAssess Subject: " + window.parent.ContentFrame.assesssub + "\nAssess Activity: " + window.parent.ContentFrame.assessact;
			   
	}
	alertmsg = alertmsg + "\nResolution: " + screen.width + "x" + screen.height +
		   "\nBrowser: " + getBrowserNameVersion();
	alert(alertmsg);
	return (true);
}

function alsutilsIsLoaded()
{
	return true;
}

function getCookie( name )
{
	var cname = name + "=";
	var dc = document.cookie;
	if ( dc.length > 0 )
	{
		begin = dc.indexOf( cname );

		if ( begin != -1 )
		{
			begin += cname.length;
			end = dc.indexOf( ";", begin );

			if ( ( end == -1 ) && ( dc.indexOf( "path=;" ) == -1 ) )
			{
				end = dc.length;
			}
			return unescape( dc.substring( begin, end ) );
		}
	}
	return null;
}

function setCookie(name, value, expires, path, domain, secure)
{
  document.cookie = name + "=" + escape(value) +
  ((expires == null) ? "" : "; expires=" + expires.toUTCString()) +
  ((path == null) ? "" : "; path=" + path) +
  ((domain == null) ? "" : "; domain=" + domain) +
  ((secure == null) ? "" : "; secure");
}

function delCookie (name,path,domain)
{
	if ( getCookie( name ) )
	{
		document.cookie = name + "=" +
		( ( path == null ) ? "" : "; path=" + path ) +
		( ( domain == null ) ? "" : "; domain=" + domain ) +
		"; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

function checkMouseClicked()
{
	if((mouseClicked && browser=="Internet Explorer") || (mouseClicked && ((mouseClickedTime + 3000) > new Date().getTime())))
		return true;
	else
	{
		mouseClicked = true;
		mouseClickedTime = new Date().getTime();
                return false;
	}
}

function setLLSSoundImages()
{
	soundico = "/adv/images/pb/lls/frog.gif";	
}

function setERSoundImages()
{
	soundico = "/adv/images/pb/emergentreader/repeatButton.jpg";	
}

function isDebug()
{
	return _Debug;
}

function isDevelopmentSite()
{
	return developmentSite;
}

function initMouseClicked()
{
	mouseClicked = false;
	mouseClickedTime = 0;
}

function getRequestObject()
{
	var requestObj = null;
	if (window.XMLHttpRequest)
	{
		requestObj = new XMLHttpRequest();
		if (requestObj.overrideMimeType)
			requestObj.overrideMimeType('text/xml');
	}
	else if (window.ActiveXObject)
	{
		try
		{
			requestObj = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e)
		{
			try
			{
				requestObj = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}
	return requestObj;
}