function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

/*function Logout()
{
	var answer = false;
	answer = confirm("Do you really want to logout?");

	if(answer == true)
	{
		window.document.location.href = "../logout.aspx";
	}
}*/
/**
* generic function to change the colour of the specified element.
* @param elid element id
* @param colour code
*/
function chBg(elid,bgclass,colour){
	var el;
	el = document.getElementById(elid);
	if (el == null){
		return;	
	}
	el.className=bgclass;
	//links = el.getElementsByTagName("a");
	//links[0].style.color=colour;
	return;
}/**
* changeBackgroundHover(). Sets class of specd element to "n_h" (normal hover). Only works in DOM capable browsers. (IE, Mozilla)
* @param elid Element Id of the element to colour. Used for active and inactive cells of top navigation.
*/
function chBgH(elid){
	return chBg(elid,"n_h","");
}

/**
* changeBackgroundNormal(). sets class of the specd elemtn to "n" (normal). Only works in DOM capable browsers. (IE, Mozilla)
* @param elid Element Id of the element to colour. Used for inactive cells of top navigation.
*/

function chBgN(elid){
	return chBg(elid,"n","");
}

/**
* changeBackgroundNormalActiv(). sets class of the specd elemtn to "n_a" (normal active). Only works in DOM capable browsers. (IE, Mozilla)
* @param elid Element Id of the element to colour. Used for active cells of top navigation.
*/

function chBgNA(elid){
	return chBg(elid,"n_a","");
}

/**
* a few variables needed within mealscene
*/
		var ChosenCountry;
		var ChosenLea;
		var ChosenSchool;
/**
* pretty generic function for dependant child listboxes. Used in Mealscene)
*/
function set_child_listbox( parentObject, childObject, childArray, spanToHide, selectedChild, defaultOption) {
	//Clear child listbox
	for(var i=childObject.length;i>0;i--) {
		childObject.options[i] = null;
	} 

	childObject.options[0] = new Option(defaultOption,"");
	var sel_index = parentObject.options[parentObject.selectedIndex].value;
	if (sel_index == "") {
		childObject.disabled = true;
	} else {
		childObject.disabled = false;
		var childIndex = 1;
		var child;
		var hit;
		var sel_child_index;
		for (child in childArray[sel_index]) {
			hit = (child == selectedChild);
			if ( hit ) {
				sel_child_index = childIndex;
			}
		
			childObject.options[childIndex] = new Option(childArray[sel_index][child],child, hit, hit);
			childIndex++;
		}
		childObject.selectedIndex = sel_child_index;
	}		
	//Hide dependent grid
	if (spanToHide != "") {
		if (DomYes) {
			document.getElementById(spanToHide).style.display="none";
		} else {
			document.all[spanToHide].style.display="none";
		}
	}
}
/**
* a function to disable a button using javascript in order to prevent double posts
*/

function DisableButton( btn )
{
btn.disabled=true;
var oHid=document.createElement("input");
oHid.setAttribute("name",btn.name)
oHid.setAttribute("type","hidden")
document.forms[0].appendChild(oHid);
document.forms[0].submit();
} 

// Dropdown calendar control
// PPWA624 - added 04/11/2009 as part of the account activation changes
// ShowCalBtn(btn) goes in body.OnLoad, to ensure only js browsers see the button
// btn.OnClick calls OnCalendar
function ShowCalBtn(cal)
{
calObj=document.getElementById(cal);
calObj.style.display='inline';
}

function OnCalendar(cal)
{
calObj=document.getElementById(cal);
if(calObj.style.display=='none')
{calObj.style.display='';}
else
{calObj.style.display='none';}
}

function setVisibility(id, visibility) 
{			
document.getElementById(id).style.display = visibility;
}	

// -------------------------------------------------------------------
// Switch Content Script- By Dynamic Drive, available at: http://www.dynamicdrive.com
// Created: Jan 5th, 2007
// April 5th: Added ability to persist content states by x days versus just session only
// -------------------------------------------------------------------

function switchcontent(className, filtertag){
	this.className=className
	this.collapsePrev=false //Default: Collapse previous content each time
	this.persistType="none" //Default: Disable persistence
	//Limit type of element to scan for on page for switch contents if 2nd function parameter is defined, for efficiency sake (ie: "div")
	this.filter_content_tag=(typeof filtertag!="undefined")? filtertag.toLowerCase() : ""
}

switchcontent.prototype.setStatus=function(openHTML, closeHTML){ //PUBLIC: Set open/ closing HTML indicator. Optional
	this.statusOpen=openHTML
	this.statusClosed=closeHTML
}

switchcontent.prototype.setColor=function(openColor, closeColor){ //PUBLIC: Set open/ closing color of switch header. Optional
	this.colorOpen=openColor
	this.colorClosed=closeColor
}

switchcontent.prototype.setPersist=function(bool, days){ //PUBLIC: Enable/ disable persistence. Default is false.
	if (bool==true){ //if enable persistence
		if (typeof days=="undefined") //if session only
			this.persistType="session"
		else{ //else if non session persistent
			this.persistType="days"
			this.persistDays=parseInt(days)
		}
	}
	else
		this.persistType="none"
}

switchcontent.prototype.collapsePrevious=function(bool){ //PUBLIC: Enable/ disable collapse previous content. Default is false.
	this.collapsePrev=bool
}


switchcontent.prototype.sweepToggle=function(setting){ //PUBLIC: Expand/ contract all contents method. (Values: "contract"|"expand")
	if (typeof this.headers!="undefined" && this.headers.length>0){ //if there are switch contents defined on the page
		for (var i=0; i<this.headers.length; i++){
			if (setting=="expand")
				this.expandcontent(this.headers[i]) //expand each content
			else if (setting=="contract")
				this.contractcontent(this.headers[i]) //contract each content
		}
	}
}


// -------------------------------------------------------------------
// PUBLIC: defaultExpanded(indices_of_contents)- Set contents that should be expanded by default when the page loads.
// Note that the persistence feature (if enabled) overrides this setting.
// Pass in the position of the contents relative to the rest of the contents ie: defaultExpanded(0,2,3) would expand the 1st, 3rd, and 4th contents by default
// -------------------------------------------------------------------

switchcontent.prototype.defaultExpanded=function(){
	var expandedindices=[] //Array to hold indices (position) of content to be expanded by default
	//Loop through function arguments, and store each one within array
	//Two test conditions: 1) End of Arguments array, or 2) If "collapsePrev" is enabled, only the first entered index (as only 1 content can be expanded at any time)
	for (var i=0; (!this.collapsePrev && i<arguments.length) || (this.collapsePrev && i==0); i++)
		expandedindices[expandedindices.length]=arguments[i]
	this.expandedindices=expandedindices.join(",") //convert array into a string of the format: "0,2,3" for later parsing by script
}


//PRIVATE: Sets color of switch header.

switchcontent.prototype.togglecolor=function(header, status){
	if (typeof this.colorOpen!="undefined")
		header.style.color=status
}


//PRIVATE: Sets status indicator HTML of switch header.

switchcontent.prototype.togglestatus=function(header, status){
	if (typeof this.statusOpen!="undefined")
		header.firstChild.innerHTML=status
}


//PRIVATE: Contracts a content based on its corresponding header entered

switchcontent.prototype.contractcontent=function(header){
	var innercontent=document.getElementById(header.id.replace("-title", "")) //Reference content for this header
	innercontent.style.display="none"
	this.togglestatus(header, this.statusClosed)
	this.togglecolor(header, this.colorClosed)
}


//PRIVATE: Expands a content based on its corresponding header entered

switchcontent.prototype.expandcontent=function(header){
	var innercontent=document.getElementById(header.id.replace("-title", ""))
	innercontent.style.display="block"
	this.togglestatus(header, this.statusOpen)
	this.togglecolor(header, this.colorOpen)
}

// -------------------------------------------------------------------
// PRIVATE: toggledisplay(header)- Toggles between a content being expanded or contracted
// If "Collapse Previous" is enabled, contracts previous open content before expanding current
// -------------------------------------------------------------------

switchcontent.prototype.toggledisplay=function(header){
	var innercontent=document.getElementById(header.id.replace("-title", "")) //Reference content for this header
	if (innercontent.style.display=="block")
		this.contractcontent(header)
	else{
		this.expandcontent(header)
		if (this.collapsePrev && typeof this.prevHeader!="undefined" && this.prevHeader.id!=header.id) // If "Collapse Previous" is enabled and there's a previous open content
			this.contractcontent(this.prevHeader) //Contract that content first
	}
	if (this.collapsePrev)
		this.prevHeader=header //Set current expanded content as the next "Previous Content"
}


// -------------------------------------------------------------------
// PRIVATE: collectElementbyClass()- Searches and stores all switch contents (based on shared class name) and their headers in two arrays
// Each content should carry an unique ID, and for its header, an ID equal to "CONTENTID-TITLE"
// -------------------------------------------------------------------

switchcontent.prototype.collectElementbyClass=function(classname){ //Returns an array containing DIVs with specified classname
	var classnameRE=new RegExp("(^|\\s+)"+classname+"($|\\s+)", "i") //regular expression to screen for classname within element
	this.headers=[], this.innercontents=[]
	if (this.filter_content_tag!="") //If user defined limit type of element to scan for to a certain element (ie: "div" only)
		var allelements=document.getElementsByTagName(this.filter_content_tag)
	else //else, scan all elements on the page!
		var allelements=document.all? document.all : document.getElementsByTagName("*")
	for (var i=0; i<allelements.length; i++){
		if (typeof allelements[i].className=="string" && allelements[i].className.search(classnameRE)!=-1){
			if (document.getElementById(allelements[i].id+"-title")!=null){ //if header exists for this inner content
				this.headers[this.headers.length]=document.getElementById(allelements[i].id+"-title") //store reference to header intended for this inner content
				this.innercontents[this.innercontents.length]=allelements[i] //store reference to this inner content
			}
		}
	}
}


//PRIVATE: init()- Initializes Switch Content function (collapse contents by default unless exception is found)

switchcontent.prototype.init=function(){
	var instanceOf=this
	this.collectElementbyClass(this.className) //Get all headers and its corresponding content based on shared class name of contents
	if (this.headers.length==0) //If no headers are present (no contents to switch), just exit
	{
		return
	}
	//If admin has changed number of days to persist from current cookie records, reset persistence by deleting cookie
	if (this.persistType=="days" && (parseInt(switchcontent.getCookie(this.className+"_dtrack"))!=this.persistDays))
		switchcontent.setCookie(this.className+"_d", "", -1) //delete cookie
	// Get ids of open contents below. Four possible scenerios:
	// 1) Session only persistence is enabled AND corresponding cookie contains a non blank ("") string
	// 2) Regular (in days) persistence is enabled AND corresponding cookie contains a non blank ("") string
	// 3) If there are contents that should be enabled by default (even if persistence is enabled and this IS the first page load)
	// 4) Default to no contents should be expanded on page load ("" value)
	var opencontents_ids=(this.persistType=="session" && switchcontent.getCookie(this.className)!="")? ','+switchcontent.getCookie(this.className)+',' : (this.persistType=="days" && switchcontent.getCookie(this.className+"_d")!="")? ','+switchcontent.getCookie(this.className+"_d")+',' : (this.expandedindices)? ','+this.expandedindices+',' : ""
	for (var i=0; i<this.headers.length; i++){ //BEGIN FOR LOOP
		if (typeof this.statusOpen!="undefined") //If open/ closing HTML indicator is enabled/ set
			this.headers[i].innerHTML='<span class="status"></span>'+this.headers[i].innerHTML //Add a span element to original HTML to store indicator
		if (opencontents_ids.indexOf(','+i+',')!=-1){ //if index "i" exists within cookie string or default-enabled string (i=position of the content to expand)
			this.expandcontent(this.headers[i]) //Expand each content per stored indices (if ""Collapse Previous" is set, only one content)
			if (this.collapsePrev) //If "Collapse Previous" set
			this.prevHeader=this.headers[i]  //Indicate the expanded content's corresponding header as the last clicked on header (for logic purpose)
		}
		else //else if no indices found in stored string
			this.contractcontent(this.headers[i]) //Contract each content by default
		this.headers[i].onclick=function(){instanceOf.toggledisplay(this)}
	} //END FOR LOOP
	switchcontent.dotask(window, function(){instanceOf.rememberpluscleanup()}, "unload") //Call persistence method onunload
}


// -------------------------------------------------------------------
// PRIVATE: rememberpluscleanup()- Stores the indices of content that are expanded inside session only cookie
// If "Collapse Previous" is enabled, only 1st expanded content index is stored
// -------------------------------------------------------------------

//Function to store index of opened ULs relative to other ULs in Tree into cookie:
switchcontent.prototype.rememberpluscleanup=function(){
	//Define array to hold ids of open content that should be persisted
	//Default to just "none" to account for the case where no contents are open when user leaves the page (and persist that):
	var opencontents=new Array("none")
	for (var i=0; i<this.innercontents.length; i++){
		//If persistence enabled, content in question is expanded, and either "Collapse Previous" is disabled, or if enabled, this is the first expanded content
		if (this.persistType!="none" && this.innercontents[i].style.display=="block" && (!this.collapsePrev || (this.collapsePrev && opencontents.length<2)))
			opencontents[opencontents.length]=i //save the index of the opened UL (relative to the entire list of ULs) as an array element
		this.headers[i].onclick=null //Cleanup code
	}
	if (opencontents.length>1) //If there exists open content to be persisted
		opencontents.shift() //Boot the "none" value from the array, so all it contains are the ids of the open contents
	if (typeof this.statusOpen!="undefined")
		this.statusOpen=this.statusClosed=null //Cleanup code
	if (this.persistType=="session") //if session only cookie set
		switchcontent.setCookie(this.className, opencontents.join(",")) //populate cookie with indices of open contents: classname=1,2,3,etc
	else if (this.persistType=="days" && typeof this.persistDays=="number"){ //if persistent cookie set instead
		switchcontent.setCookie(this.className+"_d", opencontents.join(","), this.persistDays) //populate cookie with indices of open contents
		switchcontent.setCookie(this.className+"_dtrack", this.persistDays, this.persistDays) //also remember number of days to persist (int)
	}
}


// -------------------------------------------------------------------
// A few utility functions below:
// -------------------------------------------------------------------


switchcontent.dotask=function(target, functionref, tasktype){ //assign a function to execute to an event handler (ie: onunload)
	var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
	if (target.addEventListener)
		target.addEventListener(tasktype, functionref, false)
	else if (target.attachEvent)
		target.attachEvent(tasktype, functionref)
}

switchcontent.getCookie=function(Name){ 
	var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
	if (document.cookie.match(re)) //if cookie found
		return document.cookie.match(re)[0].split("=")[1] //return its value
	return ""
}

switchcontent.setCookie=function(name, value, days){
	if (typeof days!="undefined"){ //if set persistent cookie
		var expireDate = new Date()
		var expstring=expireDate.setDate(expireDate.getDate()+days)
		document.cookie = name+"="+value+"; expires="+expireDate.toGMTString()
	}
	else //else if this is a session only cookie
		document.cookie = name+"="+value
}

// End switchcontent library