$(document).ready(function()
{
	if(questionExists(51) == false) // set up the questions into cookies at first load.
	{
		loadQuestionsIntoCookie();
	}
	
	initialQuestionLoad(); // preload the overlay.


	/* ********** Event Handlers ***************** */
	$("div#questions_head, a[rel='edit_link'], p#learnMoreP").click(function(e) // handle click for the question box.
	{
		  openMask();
	});
	
	$("#mask, img[rel='close_window']" ).click(function(e) // set mask fade out click.
	{
		$("#mask").fadeOut("fast"); 
		$("#overlayContainer").fadeOut("fast");
		$("#modalISIContainer").fadeOut("fast");
	});

	$("img[rel='print_window'], a[rel='print_link']").click(function(e) // add popup window action for the print button
	{
		window.open("landing_printQuestions.jsp", "printWindow", "width=765,height=500,scrollbars=1,resizable=0");
	});

	$(".questionLineContainer, .questionLineContainerAlt").click(function(e) // handle for click on each line item 
	{
		var currNumber = $(this).attr("rel").substr(7);
		if (!$(".questionLineText", this).hasClass("isSelected"))
		{
			$(".questionLineText", this).css("font-weight", "bold").addClass("isSelected");

			$("div.questionLineButton img", this).attr("src", "images/questions/questionline_button_on.gif");

			writeClickCookie(currNumber);

			$("div#questions_body").show();  // explictly show the div just in case.

			$(".overview").append("<p name='qid" + currNumber + "'>" + toolTipText[currNumber] + "</p>"); // also post to the sidebar

			// update the scrollbar
			if ($('#scrollbar1').tinyscrollbar()!= null) {
			$('#scrollbar1').tinyscrollbar().update();
			}			
			
		}

		else
		{
			$(".questionLineText", this).css("font-weight", "normal").removeClass("isSelected");

			$("div.questionLineButton img", this).attr("src", "images/questions/questionline_button.png");

			deleteCookie("qSelected",currNumber);
			
			$(".overview").children("p[name=qid" + currNumber + "]").remove(); // remove from the sidebar

			// update the scrollbar
			if ($('#scrollbar1').tinyscrollbar()!= null) {
			var oScrollbar = $('#scrollbar1').tinyscrollbar().update(); // update the scrollbar
			}			
			
			if(document.cookie.indexOf("qSelected") < 0) // check to see if we collapse the sidebar
			{
				$("div#questions_body").hide();				
			}
		}
		
	});


	/* ************************ Functions ************************ */
	function openMask() // open the modal window
	{
		var maskWidth = $(window).width();
		var maskHeight = $(document).height();
		  
		$("#mask").css(
		{
			"width": maskWidth,
			"height": maskHeight
		}).fadeIn(1000).fadeTo("slow", 0.8);

		if($(window).width() > $("#overlayContainer").width())
		{
			$("#overlayContainer").css("left", ($(window).width()/2) - ($("#overlayContainer").width()/2));
		}

		else
		{
			$("#overlayContainer").css("left", 0);	
		}
		
		$("#overlayContainer").css("top", 110).fadeIn(2000);

	  	doColumnHeights(); // set the heights

		positionISI(); // position the ISI
	}
	 
	 
	// load the questions into the question container
	function initialQuestionLoad()
	{
		var currQuestion = "";
		var alreadySelected = "";
		var currQuestionText = "";
		var cookieArray = document.cookie.split(";");
		
		for(var iloop = 0; iloop <= cookieArray.length; iloop++)
		{
			if(cookieArray[iloop] != undefined)
			{
				var currentCookie = cookieArray[iloop];
				currQuestion = cookieArray[iloop].replace(" ", "");
//				if(currentCookie.length >0 && currQuestion.substring(0,9) == "qSelected")//deletes new site selected questions
//				{
//					currQuestion = currQuestion.substring( 9, currQuestion.indexOf("="));
//						//alert(" qSelected =="+ currQuestion);
//						if(currQuestion < 50)
//						deleteCookie("qSelected",currQuestion);
//				}
		
				if(currentCookie.length >10 && currQuestion.substring(0,7) == "qCookie")
				{
					currQuestion = currQuestion.substring( 7, currQuestion.indexOf("="));
//					if(currQuestion < 50)// deletes old site question list
//					{
//						//alert(" qCookie =="+ currQuestion);
//						deleteCookie("qCookie",currQuestion);
//					}

					if(currQuestion >50)
					{
						alreadySelected = document.cookie.indexOf("qSelected" + currQuestion + "=");  // check if the line was already selected
						currQuestionText = cookieArray[iloop].replace(" ", "");
	
						if(currQuestionText != "")
						{
							writeQuestionToPanel(currQuestionText, alreadySelected);
						}
					
					}
				}
			}
		}

		doAlternativeColorsQuestions(); // handle for the alternating backgrounds.
	 }
	
	function positionISI()
	{
		var isiTop = $("#overlayContainer").offset().top + $("#questionsContainerTop").outerHeight() + $("#questionsContainerBottom").outerHeight() + $("#questionsMainCenter").outerHeight() + 20;

		$("#modalISIContainer").css("top", isiTop).show(); // display and position the ISI	

		// set overlay
		if($(window).width() > $("#modalISIContainer").width())
		{
			$("#modalISIContainer").css("left", ($(window).width()/2) - ($("#modalISIContainer").width()/2));
		}

		else
		{
			$("#modalISIContainer").css("left", 0);	
		}

		$("#mask").height($(document).height()); // reset the mask height
	}

	// write question in form of qCookieNN=QuestionText to the panel
	function writeQuestionToPanel(currentQuestion, alreadySelected)
	{
		var questionText = "";
		var buttonText = "";
		var questionArray = currentQuestion.split("=");

		(alreadySelected >= 0) ? questionText = "<div class='questionLineText' style='font-weight:bold'><p>" + questionArray[1] + "</p></div>" : questionText = "<div class='questionLineText'><p>" + questionArray[1] + "</p></div>";
		(alreadySelected >= 0) ? buttonText = "<div class='questionLineButton'><img src='images/questions/questionline_button_on.gif'></div>" : buttonText = "<div class='questionLineButton'><img src='images/questions/questionline_button.png'></div>";		 

		$("div#questionsMainQuestions").append("<div class='questionLineContainer' rel='" + questionArray[0] + "'>" + questionText + buttonText +  "<div style='clear:both;'><!-- --></div></div>");
	}

	// run through the questions and alteranate the background colors dynamically.	
	function doAlternativeColorsQuestions()
	{
		var alt = -1;

		$("#questionsMainQuestions > div").each( function(e)
		{
			alt = alt * -1;

			if(alt < 0)
			{
				$(this).addClass("questionLineContainerAlt").removeClass("questionLineContainer");	
			}
		});
	}
	
	// set the modal window column heights based on the center column.
	function doColumnHeights()
	{
		var questionContentHeight = $("div#questionsMainCenter").height();

		$("div#questionsMainLeft").height(questionContentHeight);
		$("div#questionsMainRight").height(questionContentHeight);
		$("div#questionsContainerBottom").css("top", questionContentHeight + $("div#questionsContainerTop").height());
	}
});


/* ***************** Shared Javascript Functions ******************** */

// load all of the questions into cookies. 
function loadQuestionsIntoCookie()
{
	// document.cookie = "qCookie1=landing_modal_window.jsIf I have had a procedure like cardiac bypass surgery or angioplasty\&#44 how does that affect my risk?";
	// document.cookie = "qCookie2=I did not watch my diet or exercise when I was younger. Does that put me at high risk?";
	// document.cookie = "qCookie3=What lifestyle changes should I make to reduce my risk?";
	// document.cookie = "qCookie4=I\'m already taking other medicines\&#44 can MICARDIS 80 mg do more to lower my risk?";
	 
	 document.cookie = "qCookie51=If  I have had a procedure like cardiac bypass surgery or angioplasty\&#44 how does that affect my risk?";
	 document.cookie = "qCookie52=I did not watch my diet or exercise when I was younger. Does that put me at high risk?";
	 document.cookie = "qCookie53=What lifestyle changes should I make to reduce my risk?";
	 document.cookie = "qCookie54=I'm already taking other medicines\&#44 can MICARDIS 80 mg do more to lower my risk?";
	 document.cookie = "qCookie55=If  I had a heart attack\&#44 stroke\&#44 or mini stroke\&#44 am I at high risk?";
	 document.cookie = "qCookie56=What is MICARDIS 80 mg and how can it help me? ";
	 document.cookie = "qCookie57=With all the meds I'm taking\&#44 will MICARDIS 80 mg cause a drug interaction?";
	 document.cookie = "qCookie58=What side effects does MICARDIS 80 mg cause?";
	 document.cookie = "qCookie59=I'm living with stable angina\&#44 so is MICARDIS 80 mg a medicine I should take?";
	 document.cookie = "qCookie60=I've already had a heart attack. Can MICARDIS 80 mg reduce my risk of another?";
	 document.cookie = "qCookie61=With  the history of stroke in my family\&#44 should I begin taking MICARDIS 80 mg?";
	 
	 
}

// find the current question in the cookie array
function getCurrentQuestionFromArray(cookieArray, currQ)
{ 
	var currQuestion = "";

	for(k = 0; k < cookieArray.length; k++)
	{
		if(cookieArray[k].indexOf(currQ) >= 0)
		{
			return cookieArray[k].replace(" ", "");	// for some reason it adds whitespace, remove it
		}
	}
	 
	return currQuestion;
}

function writeClickCookie(currNumber)
{
	document.cookie = "qSelected" + currNumber + "=yes";
}

function deleteCookie(name,currNumber)
{
	document.cookie = name + currNumber + "=yes;expires=Thu, 01-Jan-1970 00:00:01 GMT";  
}