//FUNCTION FOR LJHS PERFORMING ARTS CENTER CONSTRUCTION PICS IN SLIDE VIEW
//Global array set for picture slides
var arrSlides = new Array();

function Slide(filename, postedDate, caption)
{
	this.Filename = filename;
	this.PostedDate = postedDate;
	this.Caption = caption;
}

function loadSlides()
{
//Populate array
arrSlides[0] = new Slide('01_img001.jpg', '06\/04\/09', '');
arrSlides[1] = new Slide('02_img002.jpg', '06\/04\/09', '');
arrSlides[2] = new Slide('03_img003.jpg', '06\/04\/09', '');
arrSlides[3] = new Slide('04_img004.jpg', '06\/04\/09', '');
arrSlides[4] = new Slide('05_img005.jpg', '06\/04\/09', '');
arrSlides[5] = new Slide('06_img006.jpg', '01\/29\/10', '');
arrSlides[6] = new Slide('07_img007.jpg', '01\/29\/10', '');
arrSlides[7] = new Slide('08_img008.jpg', '01\/29\/10', '');
arrSlides[8] = new Slide('09_img009.jpg', '02\/12\/10', '');
}

//Declare a variable to hold the array index of picture to display
var currentIndex = 0;

function cycleSlides()
{
	
	 // Make sure that there are image filenames in the array
     if(arrSlides.length>0 && document.getElementById)
     {		
       // Increment the image index
       currentIndex++;
				
       // Check to see if the current image index is greater than the last index of the array
       if (currentIndex > arrSlides.length - 1)
          {
     	  currentIndex = 0;
     	  }
     	  
		// Update the span tag that display the number of the image that is currently displayed
    	document.getElementById('spnCounter').innerHTML='Image ' + (currentIndex+1) + ' of ' + arrSlides.length;

		//Update the image that is displayed
		document.getElementById('slideFrame').src='common/img/ConstructionPhotos/' + arrSlides[currentIndex].Filename;
		
		// Update the span tag that contains the caption, or description of the picture 
    	document.getElementById('spnCaption').innerHTML = arrSlides[currentIndex].Caption;
		
	 	// Update the span tag that contains the date posted 
    	document.getElementById('spnDate').innerHTML = 'Date Posted: ' + arrSlides[currentIndex].PostedDate;

	}
	
}

function picNext()
{
	// Increment counter
	currentIndex++;

	// Make sure we are not past the end of our array
	if (currentIndex < arrSlides.length)
	
	{
	    
		// Disable the Next button if we are on the last picture
		if (currentIndex == arrSlides.length-1)
		{
        document.getElementById("btnNext").disabled=true;
        }
        
		// Update the span tag that display the number of the image that is currently displayed
    	document.getElementById('spnCounter').innerHTML='Image ' + (currentIndex+1) + ' of ' + arrSlides.length;

		//Update the image that is displayed
		document.getElementById('slideFrame').src='common/img/ConstructionPhotos/' + arrSlides[currentIndex].Filename;
		
		// Update the span tag that contains the caption, or description of the picture 
    	document.getElementById('spnCaption').innerHTML = arrSlides[currentIndex].Caption;

		// Update the span tag that contains the date posted 
    	document.getElementById('spnDate').innerHTML = 'Date Posted: ' + arrSlides[currentIndex].PostedDate;

        document.getElementById("btnPrev").disabled=false;
	}
	
}

function picPrev()
{
	// Decrement counter
	currentIndex --;
	
	// Make sure we are not past the end of our array
	if (currentIndex >= 0)
	{
		
		if (currentIndex == 0)
		{
		// Disable the Previous button if we are on the first picture
		document.getElementById("btnPrev").disabled=true;
		}

		// Update the span tag that display the number of the image that is currently displayed
    	document.getElementById('spnCounter').innerHTML='Image ' + (currentIndex+1) + ' of ' + arrSlides.length;

		//Update the image that is displayed
		document.getElementById('slideFrame').src='common/img/ConstructionPhotos/' + arrSlides[currentIndex].Filename;
		
		// Update the span tag that contains the caption, or description of the picture 
    	document.getElementById('spnCaption').innerHTML = arrSlides[currentIndex].Caption;

	 	// Update the span tag that contains the date posted 
    	document.getElementById('spnDate').innerHTML = 'Date Posted: ' + arrSlides[currentIndex].PostedDate;
		
		document.getElementById("btnNext").disabled=false;
	}
	
}

var timer;
function picAuto()
{
	if(document.getElementById("btnAuto").value == 'Slide Show')
	{
	timer = window.setInterval('cycleSlides()',3000);
	document.getElementById("btnAuto").value = 'Stop';
	document.getElementById("btnNext").disabled = true;
	document.getElementById("btnPrev").disabled = true;
	}
	else
	{
	window.clearInterval(timer);
	document.getElementById("btnAuto").value = 'Slide Show';
	document.getElementById("btnNext").disabled = false;
	document.getElementById("btnPrev").disabled = false;
	}
}

//FUNCTION FOR LOADING DYNAMIC CONTENT INTO DIVS USING HTML SOURCE
var myHttpRequest = false;

if(window.XMLHttpRequest)
	myHttpRequest = new XMLHttpRequest();
else if(window.ActiveXObject)
	myHttpRequest = new ActiveXObject("Microsoft.XMLHTTP");
	
	
function loadContent(source, content)
{
 	if(myHttpRequest)
	{
		var data = document.getElementById(content);
		myHttpRequest.open("GET",source);
		myHttpRequest.onreadystatechange = function()
		{
			if(myHttpRequest.readyState	== 4)
				data.innerHTML = myHttpRequest.responseText;
		}
		
		myHttpRequest.send(null);
	}
	
}

//FUNCTION FOR AJAX/XML TICKER

// -------------------------------------------------------------------
// Ajax XML Ticker (txt file source)
// Author: Dynamic Drive (http://www.dynamicdrive.com)
// -------------------------------------------------------------------

////////////No need to edit beyond here//////////////

function createAjaxObj(){
var httprequest=false
if (window.XMLHttpRequest){ // if Mozilla, Safari etc
httprequest=new XMLHttpRequest()
if (httprequest.overrideMimeType)
httprequest.overrideMimeType('text/xml')
}
else if (window.ActiveXObject){ // if IE
try {
httprequest=new ActiveXObject("Msxml2.XMLHTTP");
} 
catch (e){
try{
httprequest=new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e){}
}
}
return httprequest
}

// -------------------------------------------------------------------
// Main Ajax Ticker Object function
// ajax_ticker(xmlfile, divId, divClass, delay, optionalfadeornot)
// -------------------------------------------------------------------

function ajax_ticker(xmlfile, divId, divClass, delay, fadeornot){
this.xmlfile=xmlfile //Variable pointing to the local ticker xml file (txt)
this.tickerid=divId //ID of ticker div to display information
this.delay=delay //Delay between msg change, in miliseconds.
this.mouseoverBol=0 //Boolean to indicate whether mouse is currently over ticker (and pause it if it is)
this.pointer=0
this.opacitystring=(typeof fadeornot!="undefined")? "width: 100%; filter:progid:DXImageTransform.Microsoft.alpha(opacity=100); -moz-opacity: 1" : ""
if (this.opacitystring!="") this.delay+=500 //add 1/2 sec to account for fade effect, if enabled
this.opacitysetting=0.2 //Opacity value when reset. Internal use.
this.messages=[] //Arrays to hold each message of ticker
this.ajaxobj=createAjaxObj()
document.write('<div id="'+divId+'" class="'+divClass+'"><div style="'+this.opacitystring+'">Initializing ticker...</div></div>')
this.getXMLfile()
}

// -------------------------------------------------------------------
// getXMLfile()- Use Ajax to fetch xml file (txt)
// -------------------------------------------------------------------

ajax_ticker.prototype.getXMLfile=function(){
if (this.ajaxobj){
var instanceOfTicker=this
var url=this.xmlfile+"?bustcache="+new Date().getTime()
this.ajaxobj.onreadystatechange=function(){instanceOfTicker.initialize()}
this.ajaxobj.open('GET', url, true)
this.ajaxobj.send(null)
}
}

// -------------------------------------------------------------------
// initialize()- Initialize ticker method.
// -Gets contents of xml file and parse it using JavaScript DOM methods 
// -------------------------------------------------------------------

ajax_ticker.prototype.initialize=function(){ 
if (this.ajaxobj.readyState == 4){ //if request of file completed
if (this.ajaxobj.status==200 || window.location.href.indexOf("http")==-1){ //if request was successful
this.contentdiv=document.getElementById(this.tickerid).firstChild //div of inner content that holds the messages
var xmldata=this.ajaxobj.responseText
this.contentdiv.style.display="none"
this.contentdiv.innerHTML=xmldata
if (this.contentdiv.getElementsByTagName("div").length==0){ //if no messages were found
this.contentdiv.innerHTML="<b>Error</b> fetching remote ticker file!"
return
}
var instanceOfTicker=this
document.getElementById(this.tickerid).onmouseover=function(){instanceOfTicker.mouseoverBol=1}
document.getElementById(this.tickerid).onmouseout=function(){instanceOfTicker.mouseoverBol=0}
if (window.attachEvent) //Clean up loose references in IE
window.attachEvent("onunload", function(){instanceOfTicker.contentdiv=instanceOfTicker.ajaxobj=null})
//Cycle through XML object and store each message inside array
for (var i=0; i<this.contentdiv.getElementsByTagName("div").length; i++){
if (this.contentdiv.getElementsByTagName("div")[i].className=="message")
this.messages[this.messages.length]=this.contentdiv.getElementsByTagName("div")[i].innerHTML
}
this.contentdiv.innerHTML=""
this.contentdiv.style.display="block"
this.rotatemsg()
}
}
}

// -------------------------------------------------------------------
// rotatemsg()- Rotate through ticker messages and displays them
// -------------------------------------------------------------------

ajax_ticker.prototype.rotatemsg=function(){
var instanceOfTicker=this
if (this.mouseoverBol==1) //if mouse is currently over ticker, do nothing (pause it)
setTimeout(function(){instanceOfTicker.rotatemsg()}, 100)
else{ //else, construct item, show and rotate it!
this.fadetransition("reset") //FADE EFFECT- RESET OPACITY
this.contentdiv.innerHTML=this.messages[this.pointer]
this.fadetimer1=setInterval(function(){instanceOfTicker.fadetransition('up', 'fadetimer1')}, 100) //FADE EFFECT- PLAY IT
this.pointer=(this.pointer<this.messages.length-1)? this.pointer+1 : 0
setTimeout(function(){instanceOfTicker.rotatemsg()}, this.delay) //update container periodically
}
}

// -------------------------------------------------------------------
// fadetransition()- cross browser fade method for IE5.5+ and Mozilla/Firefox
// -------------------------------------------------------------------

ajax_ticker.prototype.fadetransition=function(fadetype, timerid){
var contentdiv=this.contentdiv
if (fadetype=="reset")
this.opacitysetting=0.2
if (contentdiv.filters && contentdiv.filters[0]){
if (typeof contentdiv.filters[0].opacity=="number") //IE6+
contentdiv.filters[0].opacity=this.opacitysetting*100
else //IE 5.5
contentdiv.style.filter="alpha(opacity="+this.opacitysetting*100+")"
}
else if (typeof contentdiv.style.MozOpacity!="undefined" && this.opacitystring!=""){
contentdiv.style.MozOpacity=this.opacitysetting
}
else
this.opacitysetting=1
if (fadetype=="up")
this.opacitysetting+=0.1
if (fadetype=="up" && this.opacitysetting>=1)
clearInterval(this[timerid])
}

//*******************************************************************//


//FUCNTION FOR COLLAPSING MENU IN INFO CORNER
var arrOnOff=new Array();
var arrSubmenu=new Array();
var arrExpandImg=new Array();

arrExpandImg[0]='common/img/SignDOWN.gif';
arrExpandImg[1]='common/img/SignUP.gif';

//define numOfMenus. It should be equal to the number of submenus you have.
numOfMenus=3;

//Define arrays with submenu items
arrSubmenu[0]='<span class="submenu_display"><a href="academicsMedia_pfindEnglish.aspx">English</a><br><a href="academicsMedia_pfindMath.aspx">Math</a><br><a href="academicsMedia_pfindScience.aspx">Science</a><br><a href="academicsMedia_pfindSocialStudies.aspx">Social Studies</a><br><a href="academicsMedia_pfindWellness.aspx">Wellness</a><br></span>';
arrSubmenu[1]='<span class="submenu_display"><a href="../../../docs/StudentAchievement/AcademicPlanningGuide_1011.pdf" target="_blank">10/11 School Year</a><br><a href="/docs/StudentAchievement/AcademicPlanningGuide_1011Spanish.pdf" target="_blank">10/11 en Espa&ntilde;ol</a><br><a href="../../../docs/StudentAchievement/AcademicPlanningGuide_0910.pdf" target="_blank">09/10 School Year</a><br><a href="../../../docs/StudentAchievement/AcademicPlanningGuide_0910Spanish.pdf" target="_blank">09/10 en Espa&ntilde;ol</a><br></span>';
arrSubmenu[2]='<span class="submenu_display"><a href="/docs/StudentAchievement/StudentProceduresHandbook.pdf" target="_blank">English Handbook</a><br><a href="/docs/StudentAchievement/StudentProceduresHandbookSP.pdf" target="_blank">Manual en Espa&ntilde;ol</a><br></span>';


for (loop=0; loop<numOfMenus; loop++){
 arrOnOff[loop]=0;
}

function dropmenu(menu_id, menu_number, img_id){

if (arrOnOff[menu_number]==0)
  {
    menu_id.innerHTML=arrSubmenu[menu_number];
    arrOnOff[menu_number]=1;
	img_id.src=arrExpandImg[1];	
  }
else
  {
    menu_id.innerHTML="";
    arrOnOff[menu_number]=0;
	img_id.src=arrExpandImg[0];	
  }
}


window.onload=function() {
	
	loadSlides();	
}