var findAPITries=1;

var API = null;

var timerID = null;

var timerRunning = false;

var timeValue;

var timecnt=0;

var ret;

var ret1;

var code;

var diag;

var finishCalled=false;

var Bookmark_location="";

var AssMasteryScore=60;

var SetCompletioStatus = false;









//---------------------------------------------------------------------------------------------------------------------------

function FindAPI(win)

{

   //API will be searched in the current window and the parent frames of this window. Maximum 7 parents will be searched. 

   while ((win.API == null) && (win.parent != null) && (win.parent != win))

   {

      findAPITries++;

      // Note: 7 is an arbitrary number, but should be more than sufficient

      if (findAPITries > 7) 

      {

         parent.status = "Error finding API -- too deeply nested.";

         return null;

      }      

      win = win.parent;

   }

   return win.API;

}

//----------------------------------------------------------------------------------------------------------------------------









//------------------------------------------------------------------------------------------------------------------------------

function GetAPI()

{

   

   //API will be searched in the current window.

   var API = FindAPI(window);



   //If the API is not found in current window, then we check for the opener of the current window.

   if ((API == null) && (window.opener != null) && (typeof(window.opener) != "undefined"))

   {

      API = FindAPI(window.opener);	 

   }





   //If the API is not found, this message will be displayed at the status bar of the browser. 

   //Typically you will observe this message on the status bar, if the course is launched from the local system.     

   if (API == null)

   {

     parent.status = "Unable to find an API adapter";

   }



   return API

}

//------------------------------------------------------------------------------------------------------------------------------------





//-------------------------------------------------------------------------------------------------------------------------------------

//This is the first function called on the OnLoad event of the course launching page.

function initSco()

{

	    //Search for the API.

		API = GetAPI();

		if( API != null )

		{

			//API is found - This is the first call to the LMS. The course can start communication with the LMS after this call.

			API.LMSInitialize("");



			//Start the Timer to measure the current session time.

			startclock();

			

			//Set the Maximum and minimum score for the SCO.

			set_val("cmi.core.score.max",100);

			set_val("cmi.core.score.min",1); 

			//set_val("cmi.core.score.raw",1); //commented on 21/10/09

            //Retrieve the Lesson Status from the LMS.

			var status = get_val("cmi.core.lesson_status")



            //If the lesson status found to be "Not Attempted" then this is user's first attempt. Set the status to 'inclomplete'.

			if (status == "not attempted")

			{

			  //the student is now attempting the lesson

			  //This is students first attempt.

			  set_val("cmi.core.lesson_status","incomplete");

			  set_val("cmi.core.score.raw",1);//Added on 31/10/2009

			}			

			

			//Retrieve the Bookmark data from the LMS.	

			Bookmark_location = get_val("cmi.suspend_data");	

			



			//Check for LMS communication Errors.

			fnCheckErrors();	

		}	

}

//-------------------------------------------------------------------------------------------------------------------------------------













//-------------------------------------------------------------------------------------------------------------------------------------

//This function will be responsible for sending data to the LMS.

function set_val( gname,gvalue )

{

	//Before calling any LMS function, we will always check for the API.

	API = GetAPI();

	if( API != null )

	{

		//LMSSetValue function is called to update data to the LMS.

		//"gname" is LMS variable name, in which we are updating the data, and "gvalue" is the actual value which we are storing in it.

		API.LMSSetValue(gname, gvalue);		



		//Check for LMS communication Errors.

		fnCheckErrors();	

		

		//"commit" function will be called to forcefully update the data to the LMS.

		commit();		

	}	

};

//-------------------------------------------------------------------------------------------------------------------------------------

















//-------------------------------------------------------------------------------------------------------------------------------------

//This function will be responsible for retrieving the data from the LMS.

function get_val( gname )

{

	//Before calling any LMS function, we will always check for the API.

	API = GetAPI();

	if( API != null )

	{

		//"LMSGetValue" function will retrive the data from the LMS, for the specified variable. 

		ret1 = API.LMSGetValue(gname);	

		

		//Check for LMS communication Errors.

		fnCheckErrors();

		

		return ret1;				

	}	

};

//-------------------------------------------------------------------------------------------------------------------------------------

















//-------------------------------------------------------------------------------------------------------------------------------------

//"commit" function will be called to forcefully update the data to the LMS. 

function commit()

{

	//Before calling any LMS function, we will always check for the API.

	API = GetAPI();

	if( API != null )

	{

		//LMS commit function is called.

		API.LMSCommit("");

				

	}	

};

//-------------------------------------------------------------------------------------------------------------------------------------





	

//-------------------------------------------------------------------------------------------------------------------------------------

//This is the last function called on the OnUnload/OnBeforeUnload event of the course launching page. After this call we can not execute any other call except the error handling functions.

//After this call communication with the LMS will be terminated.

function finish()

{

	

		//Before calling any LMS function, we will always check for the API.

		API = GetAPI();		

		if( API != null )

		{

			//Submit Data to the LMS

			//set_val("cmi.suspend_data",setbookmark);		//commented on 21/10/09

			sTime=stopclock();

			sTime=String(sTime);

			//Submit Tile value to the LMS.

			set_val("cmi.core.session_time",sTime);		

			//call LMS Finish

			ret1 = API.LMSFinish("");

			

		}	

};



//-------------------------------------------------------------------------------------------------------------------------------------



function fnCheckErrors()

{

	if(API != null)

	{

		//LMSGetLastError will display a error code if there is any error occoured in the communication.

		code = API.LMSGetLastError();

		//LMSGetErrorString will display the error description for that error code.

		ret = API.LMSGetErrorString(code);

		

		//If any Error is occoured, then alert that Error code and description. If the code is "0" then thr is no error.

		if(code != 0)

		{

			alert("ErrorCode: " + code + "  Error Description: " + ret);

		}



		//LMSGetDiagnostic will display the additional information about the error.

		diag = API.LMSGetDiagnostic("");

	}

}









//-------------------------------------------------------------------------------------------------------------------------------------

//Time calculation Functions

function stopclock()

{

	clearTimeout(timerID)

	return timeValue;

}

//-------------------------------------------------------------------------------------------------------------------------------------









//-------------------------------------------------------------------------------------------------------------------------------------

//Time calculation Functions

function startclock()

{	

	showtime();

}



//-------------------------------------------------------------------------------------------------------------------------------------









//-------------------------------------------------------------------------------------------------------------------------------------

//Time calculation Functions

function showtime()

{

	timecnt++;

	var newElapsedTime

	var hours = Math.floor( timecnt / 3600 )

	newElapsedTime = timecnt - (hours*3600)



	var minutes = 	Math.floor( newElapsedTime / 60 )

	newElapsedTime = newElapsedTime - (minutes*60)



	var seconds = newElapsedTime



	timeValue = "" + hours

	if(hours<10)

	{

		timeValue = "0" + hours

	}

	timeValue  += ((minutes < 10) ? ":0" : ":") + minutes

	timeValue  += ((seconds < 10) ? ":0" : ":") + seconds

	// Update display

	timerID = setTimeout("showtime()",1000)

}

//-------------------------------------------------------------------------------------------------------------------------------------









//To set the course completion status

function fnSetCompletion ()

{

	

	if(SetCompletioStatus == false)

	{

		set_val("cmi.core.lesson_status","incomplete");

		SetCompletioStatus = true;				

	}

}







//-------------------------------------------------------------------------------------------------------------------------------------

//The Bookmarked data is sent to the course (Flash File) through Query String.

function fnGetBookMark()

{

	return Bookmark_location;

}

//-------------------------------------------------------------------------------------------------------------------------------------







//-------------------------------------------------------------------------------------------------------------------------------------

//The Bookmarked data is received from the Flash file

function set_location(setbookmark)

{

	//Bookmark_location = setbookmark; //commented on 21/10/09

	set_val("cmi.suspend_data",setbookmark);	

}

//-------------------------------------------------------------------------------------------------------------------------------------









function fnSendAssMastryScore(param)

{

	AssMasteryScore = param

		alert(AssMasteryScore);

}









//Set the score

function score(score)

{

	set_val("cmi.core.score.raw",score);	

	if(parseInt(score)>=parseInt(AssMasteryScore))

	{	

		 set_val("cmi.core.lesson_status","passed");

	}

	else

	{

		 set_val("cmi.core.lesson_status","failed");	

	}

}









//open the pdf documents

function OpenPDFDocuments(param)

{ 

	param = param.split("|");

	var pdfname = param[0];

	var launch = param[1];	    

    var openWinPDF=window.open(pdfname,launch)    

}

	



//-------------------------------------------------------------------------------------------------------------------------------------

//Function to set interactivity data to LMS added on 22/10/09

function fnSetInteractions(interaction_data)

{

	if(API != null)

	{

		API.LMSSetValue("cmi.interactions."+interaction_data.split("$")[0]+".id",interaction_data.split("$")[1]);

		API.LMSSetValue("cmi.interactions."+interaction_data.split("$")[0]+".type",interaction_data.split("$")[2]);

		API.LMSSetValue("cmi.interactions."+interaction_data.split("$")[0]+".correct_responses.0.pattern",interaction_data.split("$")[3]);

		API.LMSSetValue("cmi.interactions."+interaction_data.split("$")[0]+".student_response",interaction_data.split("$")[4]);

		API.LMSSetValue("cmi.interactions."+interaction_data.split("$")[0]+".result",interaction_data.split("$")[5]);

		API.LMSCommit("");

	}

}